PEMFC Cost Reduction (Low-Pt) Patent Snapshot 2026
The low-platinum PEMFC cost-reduction patent space is small and highly concentrated, with the Council of Scientific and Industrial Research holding the leading position among a narrow field of academic and industrial filers. Filing activity peaked in 2020 and has since eased, placing the field in a decline phase with limited new entrant momentum.
A highly concentrated, research-institution-led field
The Council of Scientific and Industrial Research (CSIR) leads the applicant ranking with 5 patent records, followed by Lydall Solutech BV, the University of Michigan Board of Regents, and GM Global Technology Operations LLC, each with 2 patent records.
The top five filers account for 80% of the combined total among the ranked applicants visible in this query, signaling an unusually tight concentration for a technology with broad commercial relevance. There is a visible tier gap between the lead applicant and the remaining filers.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | COUNCIL OF SCI & IND RES | 5 | |
| 2 | Lydall Solutech BV | 2 | |
| 3 | University of Michigan Board of Regents | 2 | |
| 4 | GM Global Technology Operations LLC | 2 | |
| 5 | DSM IP Assets BV | 1 | |
| 6 | Calis Gijsbertus Hendrikus Maria | 1 | |
| 7 | Saveetha Engineering College | 1 | |
| 8 | Steenbakkers Edwin Henricus Adriaan | 1 |
CSIR’s dominance reflects strong public-sector research investment in low-Pt catalysis, while the presence of GM Global Technology Operations and the University of Michigan alongside specialty materials firms such as Lydall Solutech BV and DSM IP Assets BV suggests a mixed academic-industrial ecosystem rather than a single vertically integrated leader.
Filing counts for the most recent 18–24 months are subject to publication lag and likely understate actual activity; the apparent absence of 2024–2026 filings should not be read as a complete stop in invention. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
A 2020 peak, subsequent easing, and a fuel-cell-dominant technology mix
The filing trend reveals a sharp but short-lived burst of activity around 2020, with the technology composition dominated by fuel-cell and separation-process classifications. Together these two charts help map both the timing of competitive interest and the technical directions being pursued.
Annual filing trend
Activity was effectively zero from 2017 through 2019, reached a local peak of 2 records in 2020, then fell to isolated single-record years in 2023 and 2025. The lifecycle stage is formally classified as Decline, with annual volume having eased back from the 2020 peak. The most recent periods remain subject to publication lag.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H01M (Batteries, cells and fuel cells) accounts for the large majority of classified records, confirming that filings are anchored in core fuel-cell electrochemistry. B01D (Separation processes including filtration) and G05D (Control of non-electric variables) each appear as secondary branches, reflecting interest in membrane and humidification subsystems. B82Y (Nanotechnology applications) has only a single record, marking it as the sparsest adjacent branch.
↗ Hover for values · click a bar to ask EurekaHighly cited patent families surfaced by the query
Citation-heavy patent families returned by the query. Use this section as citation context, not as a curated list of the most topic-specific patents.
Internal humidification in low temperature PEM fue…
The present invention relates to a wick based technique for internal humidification in a low temperature proton exchange membrane fuel cell (LT-PEMFC) which comprises electrically conducting and hydrophilic wicking material (<b>20</b>) such as carbon cloth or metal foam placed over the entire active area of either one or both of the anode and cathode with… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Humidifier membrane | 13 |
| 2 | Cathode humidification of a PEM fuel cell through … | 11 |
| 3 | Degradation-conscious control for PEM fuel cells | 10 |
| 4 | Integrated fuel cell system | 10 |
| 5 | Integrated fuel cell system | 9 |
| 6 | Internal humidification in low temperature PEM fue… | 4 |
| 7 | Internal humidification in low temperature PEM fue… | 3 |
| 8 | Humidifier membrane | 2 |
Ranked by total forward citations. Citation counts favour older and broadly cited patent families, and broad or adjacent patents may appear when they match the search scope. Treat this section as citation context, not as a curated list of the most topic-specific patents. Some patent titles may be shown in their original, non-English language where an accurate translation could not be guaranteed.
Assignee snapshot from the current evidence set
The applicants below are visible in this query result. Because the evidence set is relatively small, read this section as a directional snapshot rather than a full competitive ranking.
Council of Scientific and Industrial Research
CSIR holds 5 patent records, the highest count in the ranking, concentrated entirely in H01M 8 (fuel cells). Its focus on core electrochemical IP reflects a research-institution mandate oriented toward foundational low-Pt catalyst science. No applicant momentum data is available for CSIR in evidence, so trajectory cannot be quantified.
patent records: 5Lydall Solutech BV
Lydall Solutech BV holds 2 patent records and is the only organization in evidence active across three IPC branches simultaneously: B01D 71 (membrane separation), G05D 22 (system control), and H01M 8 (fuel cells). This breadth, combined with its role as the sole repeated collaboration partner, positions it as the most system-oriented player in the landscape.
patent records: 2Frequently asked questions
There are 4 patent families in scope for this landscape, reflecting a narrow and specialized body of IP directly targeting low-platinum PEMFC cost reduction.
The Council of Scientific and Industrial Research (CSIR) leads with 5 patent records, focused entirely on H01M 8 (fuel cells). It holds a clear position ahead of all other filers in the ranking.
The field is classified as Decline. Annual filings peaked in 2020 and have since eased back to isolated single-record years. This suggests the foundational wave of low-Pt IP has crested, though publication lag means the most recent periods may be undercounted.
The United States is the primary filing jurisdiction, followed by Europe (EPO) and India. WIPO PCT filings are also present. For commercial protection, the US-EPO-PCT axis is essential; India is relevant given CSIR’s national research mandate.
Co-filing activity is limited. Evidence shows two collaboration pairs, both involving Lydall Solutech BV: one with Steenbakkers Edwin Henricus Adriaan and one with Sabin Paul, each with 1 joint record. The broader co-filing network is thin.
B82Y (Nanotechnology applications) is the sparsest adjacent branch, with only 1 patent record. Nanotechnology approaches to low-Pt catalyst design — such as single-atom catalysts or nano-structured platinum alloys — are technically relevant but formally underrepresented in this specific corpus.
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Disclaimer. This page is generated from Patsnap Eureka data drawn from a limited snapshot of global patent and scientific-literature records, and is provided for general information and reference only.
Patent data carries inherent limitations: recent filings (typically the most recent 18–24 months) are under-counted due to standard publication lag; counts may be reported at either a patent-family or a patent-record basis and are not always directly comparable; classification, applicant-name, and citation data may contain errors, duplicates, or omissions; and the underlying search query defines and constrains the scope shown. As a result, the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
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