Direct Methanol Fuel Cell for Green Hydrogen Patent Landscape
Direct Methanol Fuel Cell for Green Hydrogen Patent Landscape in 2026
The direct methanol fuel cell (DMFC) for green hydrogen space is a small, sharply concentrated field dominated by a handful of new entrants who filed the bulk of activity in 2023–2025. Hydrogenics Corp holds the largest single position, with the top five filers collectively accounting for more than half of the hundred largest filers’ combined output.
A concentrated, nascent field led by Hydrogenics Corp
Hydrogenics Corp leads the top five filers account for 58% of the hundred largest filers’ combined total, signaling a high degree of concentration for a corpus of this size.
There is a clear two-tier structure: Hydrogenics Corp holds a modest but clear lead, while Cummins Inc and Williams Richard K form a second tier at 3 patent families each. Below that, six filers share 2 patent families apiece, leaving little differentiation among the mid-tier.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Hydrogenics Corp | 5 | |
| 2 | Richard K. Williams | 3 | |
| 3 | Cummins Inc | 3 | |
| 4 | ZEM Fuel Systems Ltd | 2 | |
| 5 | Richard K. Williams | 2 | |
| 6 | Carbon Ventures LLC | 2 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 7 | Richard Kent Williams | 2 | |
| 8 | New Hydrogen IP LLC | 2 | |
| 9 | Infinium Technology LLC | 2 | |
| 10 | ALVAS INSTITUTE OF ENGINEERING & TECHNOLOGY MOODBI… | 1 | |
| 11 | GE Vernova Infrastructure Technology LLC | 1 | |
| 12 | British Petroleum Company PLC | 1 |
The leaders’ positions imply that no single organization has yet established a dominant lock-in; the field remains open to well-targeted entries, particularly from organizations with adjacent strengths in electrolysis or fuel-cell stack design.
Activity from 2024 onward is subject to publication lag and likely understates actual filing volume; counts for those years should be treated as a lower bound. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
A sharp 2023–2025 burst and a fuel-cell-dominant technology mix
Filing activity was negligible from 2017 through 2022, then surged abruptly from 2023 onward, reflecting either a genuine wave of commercial interest or an aggregation effect from newly active filers. The technology composition is dominated by H01M (fuel cells and batteries), with electrolytic production (C25B) as the main secondary branch.
Annual filing trend
Zero filings are recorded from 2017 to 2022, followed by a jump to 5 patent families in 2023, a peak of 11 in 2024, and 9 in 2025. The 2025 figure is subject to publication lag and may increase; the apparent step-down from 2024 should not be read as a real decline.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H01M (batteries, cells and fuel cells) accounts for the largest share of patent records, reflecting the core fuel-cell stack focus. C25B (electrolytic production of compounds) is the most prominent secondary branch, indicating a meaningful subset of filers is targeting integrated electrolysis-to-methanol or hydrogen production pathways. Smaller branches — G06Q, H02J, H10N, and several chemistry classes — each contribute only one or two records, pointing to limited diversification beyond the electrochemical core.
↗ 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.
Advanced Ion Exchange Membranes And Applications T…
Improved performance ion exchange membranes for use in PEM, AEM and DMFC fuel cells, buffered fuel cells, hydrolysis, other applications comprise a molecular matrix of homopolymers, di-monomer, heteropolymers, copolymers, or block-polymers of fluorocarbon and hydrocarbon compounds combined with (i) skeletal support grid to improve durability, handling… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Advanced ion exchange membranes and applications t… | 11 |
| 2 | Enhancing Efficiencies Of Oxy-Combustion Power Cyc… | 5 |
| 3 | Intelligent Buffered Fuel Cell With Low Impedance | 4 |
| 4 | Enhancing efficiencies of oxy-combustion power cyc… | 1 |
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.
What the structure means for R&D strategy
The combination of a very small corpus, a sharp recent filing burst, and universal new-entrant momentum across all tracked applicants defines a formative field where early positioning is still achievable.
Formative stage with no established lifecycle signal
The lifecycle stage cannot be confirmed from the available evidence; the evidence does not return a labeled stage. What the trend does show is that the field was dormant for six years before an abrupt onset of filings in 2023, consistent with an early-formation phase rather than a mature or declining one. Engineers entering now face low prior-art density but also limited published learning to build on.
Early formationHigh concentration among a small set of new entrants
The top five filers hold 58% of the hundred largest filers’ combined total, yet the absolute leader holds only 5 patent families — indicating concentration by share rather than by volume. Every tracked applicant in the momentum data is classified as a new entrant, meaning no incumbent has accumulated a defensible legacy position. This creates both risk (the landscape can shift quickly) and opportunity (a sustained filing program could rapidly establish a leadership position).
High concentrationNo co-filing activity detected
The collaboration evidence returns no co-applicant pairs, indicating that filers in this space are operating independently rather than through joint-development or consortium structures. This is consistent with a nascent field where organizations are still defining their proprietary approaches before seeking partners. An R&D team looking to accelerate could find partnership opportunities underexplored.
Solo filers onlyUS-centric filing with limited international reach
The United States is the lead filing office with 12 patent records, followed by Europe (EPO) and WIPO (PCT) with 5 records each. Australia, India, and the UAE each carry a single record. The limited PCT and EPO coverage relative to US filings suggests that most filers have not yet pursued broad international protection, leaving European and Asia-Pacific markets relatively open for parallel filings.
US-dominantGo beyond the landscape: Eureka’s TRIZ Solution agent breaks down an R&D problem and returns patented concept solutions, each with a technical approach and cited patent & literature evidence.
Co-filing pairs, ranked by the number of jointly-filed patent families.
Hydrogenics Corp and Cummins Inc: contrasting technology routes
The two largest institutional filers approach the space from different angles — Hydrogenics Corp through fuel-cell stack and separation-process integration, and Cummins Inc through a balanced electrolysis-plus-fuel-cell strategy — while both entered the recorded period as new entrants.
Hydrogenics Corp
Hydrogenics Corp leads the ranking with 5 patent families and is classified as a new entrant in the momentum data, indicating all tracked activity is recent. Its technology focus sits primarily in H01M 8 (fuel cells), with secondary coverage in C25B 9 (electrolytic production) and B01D 53 (gas separation), suggesting an integrated approach to fuel-cell operation and feedstock purification.
patent families: 5Cummins Inc
Cummins Inc holds 3 patent families and is also a new entrant. Its filing focus spans C25B 13 and C25B 9 (both electrolytic production subclasses) as well as H01M 8 (fuel cells), reflecting a strategy that integrates hydrogen production via electrolysis with fuel-cell application — a broader value-chain position than most other filers in this corpus.
patent families: 3| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Hydrogenics Corp | 2 | ▲ new entrant |
| Cummins Inc | 2 | ▲ new entrant |
| Richard K. Williams | 3 | ▲ new entrant |
| Infinium Technology LLC | 1 | ▲ new entrant |
| ZEM Fuel Systems Ltd | 2 | ▲ new entrant |
| Richard Kent Williams | 2 | ▲ new entrant |
| Richard K. Williams | 2 | ▲ new entrant |
| Carbon Ventures LLC | 2 | ▲ new entrant |
Under-served adjacent branches worth watching
Several IPC branches adjacent to the dominant H01M core carry very low patent-record counts, indicating areas where technical activity has not yet materialized at scale. Two of these combine meaningful technical relevance with a realistic entry path.
H02J · Power supply and grid systems
With only 2 patent records and a 5% share among the tracked branches, grid-integration of DMFC-based green hydrogen systems is sparsely covered. As green hydrogen increasingly targets grid-balancing and behind-the-meter storage applications, power-conditioning and grid-interface IP represents a logical extension of existing fuel-cell stack work. An organization with power electronics competency could establish early coverage in this adjacent area.
Search this in Eureka →B01D · Separation processes
B01D (separation processes, including membrane and filtration technologies) carries only 1 patent record in this corpus, despite being directly relevant to methanol reforming, CO2 removal, and hydrogen purification steps in a DMFC-to-green-hydrogen pathway. The scarcity here is notable given that Hydrogenics Corp — the field leader — already touches this branch, suggesting others have not followed. Entry through membrane or gas-separation IP could complement a fuel-cell stack portfolio.
Search this in Eureka →How leaders differ by technology route
Strength of each leader across the main technology routes.
| Player | H01M 8 · Batteries, cells & fuel cells | C25B 13 · Electrolytic production of compounds | C25B 9 · Electrolytic production of compounds | H01M 4 · Batteries, cells & fuel cells | C25B 15 · Electrolytic production of compounds |
|---|---|---|---|---|---|
| Cummins Inc | Strong · 3 | Strong · 3 | Strong · 3 | Absent | Strong · 2 |
| Hydrogenics Corp | Strong · 5 | Emerging · 1 | Moderate · 2 | Absent | Absent |
| New Hydrogen IP LLC | Strong · 2 | Moderate · 1 | Moderate · 1 | Moderate · 1 | Absent |
| Richard Kent Williams | Strong · 2 | Moderate · 1 | Absent | Moderate · 1 | Absent |
| ZEM Fuel Systems Ltd | Strong · 2 | Absent | Absent | Strong · 2 | Absent |
| Richard K. Williams | Strong · 3 | Absent | Absent | Absent | Absent |
| Carbon Ventures LLC | Strong · 2 | Absent | Absent | Absent | Absent |
Frequently asked questions
The corpus contains 25 patent families in scope, making this a small, nascent field with room for early movers to establish meaningful positions.
Hydrogenics Corp holds the largest position with 5 patent families. Cummins Inc and Williams Richard K each hold 3 patent families, forming the second tier.
Recorded filings were zero from 2017 through 2022. Activity began with 5 patent families in 2023, peaked at 11 in 2024, and stood at 9 in 2025 — though 2025 figures are subject to publication lag.
H01M (batteries, cells and fuel cells) is the dominant IPC class. C25B (electrolytic production of compounds) is the leading secondary branch, reflecting filer interest in integrated hydrogen production via electrolysis.
The United States is the primary filing jurisdiction with 12 patent records. Europe (EPO) and WIPO (PCT) each carry 5 records. Australia, India, and the UAE each have 1 record, indicating limited international coverage beyond the US.
No co-applicant pairs are identified in the evidence. All tracked filers appear to be operating independently, which is consistent with a nascent field where organizations have not yet formed formal development partnerships.
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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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