Journal profile · Engineering-Engineering (all)

Inventions

ISSN 2411-5134 · Multidisciplinary Digital Publishing Institute (MDPI) · Switzerland

Inventions: CAS Zone 4 · Engineering (2025 upgraded edition); impact factor 2.4 (journal website); JCR Q2 (journal website); fully open access; APC charged, amount not published; review about 12 weeks (community reports); 113 articles in 2025; indexed in ESCI and Scopus.

Impact factor2.4From the journal's website, 2025 value
CAS zoneZone 4 · Engineering2025 upgraded edition, major category · 2026 Xinrui edition Zone 4 · Engineering
Review timeabout 12 weeksCommunity average
APCCharged, amount not publishedFully open access
Acceptance—No reports yet
Articles per year1132025 · OpenAlex count

Scope

Aims, scope and focus

Inventions is published by Multidisciplinary Digital Publishing Institute (MDPI) and is in Zone 4 of Engineering in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Microgrid Control and Optimization, Additive Manufacturing and 3D Printing Technologies and Smart Grid Energy Management, together about 21.6% of its articles. (generated from OpenAlex topic counts and CAS ranking data)

AimsThe journal Inventions is an international, peer-reviewed journal that publishes original scientific research of significance concerning innovation/invention, or patent-based/extended/reviewed research papers in all fields of science, engineering and product development processes. Also covered would be research concerning improvements of machines or products; new processes for creating an object; inventions in advanced technologies; and short technical reports regarding transferring technology. The journal Inventions aims to publish high quality papers concerning the discovery of completely unique functions or results, offering readers radical breakthroughs and novel contributions. We encourage authors to give special attention to patent-based/extended researches.ScopeThe journal’s focus areas include, without being limited to: Patent-based/extended/reviewed inventions in engineering, electrical and electronic science Innovation/inventions in Material, Energy and Thermal/Fluidic Science Innovation/inventions in Advanced Manufacturing Innovation/inventions in Devices and System Innovation/inventions in Intelligent Design, Modeling and Computing Methods MDPI Publication Ethics Statement MDPI is a member of the Committee on Publication Ethics (COPE). MDPI takes the responsibility to enforce a rigorous peer-review together with strict ethical policies and standards to ensure to add high quality scientific works to the field of scholarly publication. Unfortunately, cases of plagiarism, data falsification, inappropriate authorship credit, and the like, do arise. MDPI takes such publishing ethics issues very seriously and our editors are trained to proceed in such cases with a zero tolerance policy. To verify the originality of content submitted to our journals, we use iThenticate to check submissions against previous publications.Book ReviewsAuthors and publishers are encouraged to send review copies of their recent related books to the following address. Received books will be listed as Books Received within the journal's News & Announcements section. MDPI Grosspeteranlage 5 CH-4052 Basel Switzerland Copyright / Open AccessArticles published in Inventions will be Open-Access articles distributed under the terms and conditions of the Creative Commons Attribution License (CC BY). The copyright is retained by the author(s). MDPI will insert the following note at the end of the published text: © 2026 by the authors. Licensee MDPI, Basel, Switzerland. This artic

From the journal's Aims & Scope

Research area (LetPub): Engineering-Engineering (all)

Main research topics OpenAlex counts of recent articles; shares are approximate

  1. Microgrid Control and OptimizationEngineering8.7%
  2. Additive Manufacturing and 3D Printing TechnologiesEngineering6.9%
  3. Smart Grid Energy ManagementEngineering6.1%
  4. Advanced Battery Technologies ResearchEngineering5.9%
  5. Hybrid Renewable Energy SystemsEnergy5.7%
  6. Heat Transfer and OptimizationEngineering5.2%
  7. Wind Energy Research and DevelopmentEngineering4.8%
  8. Heat Transfer MechanismsEngineering4.8%

Rankings & indexing

CAS ranking and database indexing

CAS Journal Ranking

CAS Journal Ranking, upgraded edition (March 2025)Engineering Zone 4
LevelCategoryZone
MajorEngineeringZone 4
MinorEngineering, MultidisciplinaryZone 4

Top journal: noReview journal: no

CAS Xinrui Journal Ranking (March 2026)Engineering Zone 4
LevelCategoryZone
MajorEngineeringZone 4
MinorEngineering, MultidisciplinaryZone 4

Top journal: noReview journal: not marked

CAS Journal Ranking, previous upgraded edition (December 2023)Not covered

Not covered by this edition.

JCR / CiteScore quartiles on the journal's website

Publisher-reported: JCR figures are Clarivate's and CiteScore figures Scopus's to confirm; both are a different system from the CAS zones.Publisher website

Database indexing

ESCIScopusDOAJLetPub

International journal early-warning lists: not listed in any editionLetPub

Indexing the journal's website claims

EI CompendexWeb of ScienceINSPECPublisher website

As the journal's website lists them, not checked against each database; for Web of Science editions the records above apply.

Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.

Metrics

Impact metrics and publication volume

Impact

Impact factor (publisher) 2025
2.4Publisher website ·
5-year impact factor (publisher) 2025
2.5Publisher website ·
CiteScore 2026-06
5.7LetPub ·
CiteScore (publisher)
5.7Publisher website ·
SJR 2026-06
0.46LetPub ·
SNIP 2026-06
0.98LetPub ·
h-index
48OpenAlex ·
i10-index
336OpenAlex ·
2-year mean citedness
3.47OpenAlex ·
Self-citation rate
0%LetPub ·
Share of gold OA articles
100%LetPub ·

Volume

Articles per year
114LetPub ·

Articles by year OpenAlex count · 1,004 in total · the current year is incomplete

YearArticlesOpen accessCitations
2026999926
2025113113403
2024120120724
20231571571,342
20221281281,500
20211011011,684

Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.

Review & acceptance

Review time and acceptance

Average review time (community reports)
about 12 weeksLetPub ·
Submission to first decision
18.1 daysPublisher website ·
Acceptance to publication
3.6 daysPublisher website ·
Submission to publication (journal-reported)
about 6 weeksDOAJ ·
Peer review
Single anonymous peer reviewDOAJ

Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.

Fees & open access

APC and open-access policy

Fully open accessDOAJ

Every article is open access; authors usually pay an article processing charge (APC).

SourceAPCFee waiverLicenseObserved
DOAJCHF 1,800YesCC BY
OpenAlexCHF 1,800——
LetPubCHF 1,800Yes—
Publisher websiteYes, amount not published——

The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.

Submission

Article types and submission policies (journal website)

Open calls for papers4, by deadline
  1. Sustainable Fuels for Sustainable TransportDeadline
  2. Unmanned Aerial Vehicles (UAVs): Innovations and ApplicationsDeadline
  3. Research and Applications of Ionic LiquidsDeadline
  4. Advances in XR-Based Teleoperation and Robot ManipulationDeadline
Publisher website
What to prepare7 items from the author guidelines
Abstract
≤ 200 words
Reference style
Author–date
Templates
LaTeX and Word
First submission
Free format: the journal's layout is not required
Suggested reviewers
Required, 3
Graphical abstract
Optional
Cover letter
Required
Publisher website · model-extracted, each line checked against the text
Article types accepted20
  1. articleArticle: Original research manuscripts. The journal considers all original research manuscripts provided that the work reports scientifically sound experiments …Length not stated
  2. book reviewAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  3. brief communicationAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  4. brief reportAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  5. case reportAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  6. commentaryAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  7. conference reportAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  8. editorialAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  9. hypothesisAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  10. letterAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  11. opinionAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  12. patent summaryPatent Summary: A short description of a patent to allow researchers and other interested readers to quickly understand the contents of a patent document.Length not stated
  13. perspectiveAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  14. protocolAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  15. registered reportAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  16. reviewAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  17. systematic reviewAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  18. technical noteAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  19. tutorialAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  20. viewpointAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
Publisher website
Policy excerpts from the journal's websiteAuthorship, Conflicts of interest, Data availability, Publication ethics, License & copyright, Open access, Peer review, Preprints
Authorship Authorship

MDPI follows the International Committee of Medical Journal Editors (ICMJE) guidelines which state that, in order to qualify for authorship of a manuscript, the following criteria should be observed: Make substantial contributions to the conception or design of the work, or the acquisition, analysis, or interpretation of data for the work; Draft the work or review it critically for important intel…

Source ↗Publisher website ·
Conflicts of interest Conflicts of Interest

According to The International Committee of Medical Journal Editors, “Authors should avoid entering into agreements with study sponsors, both for-profit and non-profit, that interfere with authors’ access to all of the study’s data or that interfere with their ability to analyze and interpret the data and to prepare and publish manuscripts independently when and where they choose.” All authors mus…

Source ↗Publisher website ·
Data availability Data availability statements

Data availability statements are required for all articles published with MDPI. During the peer review and editorial decision process, authors can be asked to share existing datasets or raw data that have been analyzed in the manuscript, and whether they will be made available to other researchers following publication. Authors will also be asked for the details of any existing datasets that have …

Source ↗Publisher website ·
Publication ethics Publication Ethics Statement

Inventions is a member of the Committee on Publication Ethics (COPE). We fully adhere to its Code of Conduct and to its Best Practice Guidelines. The editors of this journal enforce a rigorous peer review process together with strict ethical policies and standards to ensure to add high quality scientific works to the field of scholarly publication. Unfortunately, cases of plagiarism, data falsific…

Source ↗Publisher website ·
License & copyright Copyright / Open Access

Articles published in Inventions will be Open-Access articles distributed under the terms and conditions of the Creative Commons Attribution License (CC BY). The copyright is retained by the author(s). MDPI will insert the following note at the end of the published text: © 2026 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and…

Source ↗Publisher website ·
Open access Open access publication fees

If you transfer your manuscript to another open access (OA) journal, you will be charged an Article Processing Charge (APC) if your article is accepted for publication. The APC for each journal can be found on the individual journal’s website. For more information about APCs, please see here.

Source ↗Publisher website ·
Peer review Editorial Process and Peer Review

All submissions are thoroughly peer-reviewed by experts within the field and undergo a structured editorial workflow designed to ensure quality, transparency, and scientific integrity. The full editorial procedure is available on the Editorial Process page and is also provided below. Pre-check Pre-check consists of a technical pre-check performed by the Editorial Office and an editorial pre-check …

Source ↗Publisher website ·
Preprints Preprints and Conference Papers

Inventions accepts submissions that have previously been made available as preprints provided that they have not undergone peer review. A preprint is a draft version of a paper made available online before submission to a journal. MDPI operates Preprints, a preprint server to which submitted papers can be uploaded directly after completing journal submission. Note that Preprints operates independe…

Source ↗Publisher website ·

Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.

Profile

Publication details and official links

Publisher
Multidisciplinary Digital Publishing Institute (MDPI)
Country or region
Switzerland
Language
English
ISSN
2411-5134
Latest issue on the website
Volume 11 (2026)
Official links

FAQ

Frequently asked questions about Inventions

What CAS zone is Inventions in?

In the 2025 upgraded edition of the CAS Journal Ranking, Inventions is in Zone 4 of Engineering, and in Zone 4 of the minor category Engineering, Multidisciplinary. In the 2026 Xinrui edition it is in Zone 4 of Engineering. Zones from different editions, and from major and minor categories, are not interchangeable.

What is the impact factor of Inventions?

The journal's website gives an impact factor of 2.4 (2025); this is the journal's own figure, as LetPub lists none for it; CiteScore 5.7, h-index 48.

How long does peer review take at Inventions?

Authors report an average review time of about 12 weeks. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.

What JCR quartile is Inventions in?

The journal's website gives JCR Q2; by category, Engineering, Multidisciplinary Q2. JCR quartiles are Clarivate's to confirm and a different system from the CAS zones; in the CAS ranking the journal is in Zone 4 of Engineering.

What are the manuscript requirements of Inventions?

According to the journal's author guidelines: Abstract: ≤ 200 words; Reference style: Author–date; Templates: LaTeX and Word; First submission: Free format: the journal's layout is not required; Suggested reviewers: Required, 3; Graphical abstract: Optional; Cover letter: Required. A model extracted these from the author guidelines and each was checked against the text; check the latest version on the journal's website before submitting.

Which databases index Inventions?

According to LetPub and DOAJ records, Inventions is indexed in ESCI, Scopus and DOAJ. The journal's website also lists EI Compendex, Web of Science and INSPEC; that list has not been checked against each database.

Is Inventions open access, and what is the APC?

Inventions is a fully open-access journal. APC charged, amount not published.

Sources and updates

The facts on this page come from LetPub, Publisher website, OpenAlex, DOAJ; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-25). Last updated: .