Alkaline Fuel Cell for Mining Operations Patent Landscape
Alkaline Fuel Cell for Mining Operations Patent Landscape in 2026
The alkaline fuel cell for mining operations space is heavily concentrated, with Hydrogenics Corp and Cummins Inc together commanding the overwhelming majority of activity among the top filers. The field is in a Growth phase on a multi-year basis, though annual volume has eased from its 2022 peak and recent years are further understated by publication lag.
Hydrogenics Corp leads a sharply concentrated field with Cummins Inc as close challenger
Hydrogenics Corp ranks first among all applicants, with Cummins Inc in second place. Together, the top five filers account for 85% of the combined total of the hundred largest filers — a concentration level that signals a duopoly-like structure at the top of this niche.
The gap between the first-tier pair and the rest of the ranked applicants is steep: Nanomaterials Discovery Corp at rank three and Akzo Nobel Chemicals International BV at rank four hold substantially smaller shares, with the remainder of the top twenty composed of individual inventors and small entities. This tier gap indicates that the two leaders have built significant positional advantages that would be costly for new entrants to close quickly.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Hydrogenics Corp | 119 | |
| 2 | Cummins Inc | 72 | |
| 3 | Nanomaterials Discovery Corp | 16 | |
| 4 | Akzo Nobel Chemicals International BV | 10 | |
| 5 | WILLIAMS RICHARD K | 6 | |
| 6 | KING ABDULLAH UNIV OF SCI & TECH | 6 | |
| 7 | GE Vernova Infrastructure Technology LLC | 5 | |
| 8 | Caterpillar Inc | 3 | |
| 9 | JOAO RAYMOND ANTHONY | 2 | |
| 10 | PAPILE CHRISTOPHER J | 2 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | RICHARD K WILLIAMS | 2 | |
| 12 | WILLIAMS RICHARD KENT | 2 | |
| 13 | New Hydrogen IP LLC | 2 | |
| 14 | Florida State University Research Foundation Inc | 1 | |
| 15 | Caterpillar Global Mining Equipment LLC | 1 | |
| 16 | DR POONAM C KUMAR | 1 | |
| 17 | DR GARIMA PANDEY | 1 | |
| 18 | MR PRAVEEN KUMAR DIXIT | 1 | |
| 19 | DR AMIT SHARMA | 1 | |
| 20 | DR PAYAL RATHI | 1 |
The leaders’ positions imply that any challenger seeking coverage in core fuel-cell functionality (United States jurisdiction. Strategic entry would likely require either differentiation into adjacent technology branches or a licensing arrangement with one of the two incumbents.
Filings from the most recent 18–24 months are routinely under-counted due to patent publication lag and should not be interpreted as a slowdown in underlying invention activity. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
A 2022 filing surge defines the landscape; core fuel-cell classes dominate the technology mix
The annual filing trend reveals a sharp ramp from near-zero activity before 2022, while the technology composition chart shows H01M as the dominant class by a wide margin, with a secondary cluster of adjacent classes spanning vehicle propulsion, electrolysis, and separation.
Annual filing trend
Filing volume was negligible through 2021, spiked to its highest recorded annual level in 2022, remained elevated in 2023, and steps down in 2024–2025 — a pattern consistent with a burst of foundational filings from the two dominant entrants rather than a broad industry wave. Values for 2024 and 2025 are understated by publication lag and should not be read as a real decline.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H01M (batteries, cells, and fuel cells) is the dominant IPC class, reflecting that most filings cover core electrochemical cell architecture. C25B (electrolytic production of compounds) and B60L (electric vehicle propulsion) form a secondary tier, indicating that ancillary hydrogen generation and vehicle integration are also active but much smaller areas. Classes such as C01D (alkali-metal compounds), A61M, and B01D appear at low counts, flagging sparse but potentially adjacent territory.
↗ 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.
Trace and low concentration co2 removal methods an…
Embodiments of the present disclosure describe a device for removing CO<sub>2 </sub>comprising a gas flow inlet, a housing including a SIFSIX-3-Cu metal-organic framework (MOF) composition for sorbing and/or desorbing CO<sub>2</sub>, and a gas flow outlet. Embodiments of the present disclosure describe an anesthetic system comprising one or more… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Generating Power from Hydrocarbon Deposits while C… | 24 |
| 2 | Permselective Membrane-Free Direct Fuel Cell and C… | 20 |
| 3 | Inverse recycle power system | 19 |
| 4 | Fuel cell system | 17 |
| 5 | Process for Co-Production of Power and Carboxylic … | 14 |
| 6 | Process To Prepare Chlorine-Containing Compounds | 14 |
| 7 | Advanced ion exchange membranes and applications t… | 11 |
| 8 | Trace and low concentration co2 removal methods an… | 10 |
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 competitive structure means for R&D investment decisions
Four structural observations — maturity stage, concentration, collaboration ecosystem, and geographic coverage — shape the risk and opportunity profile for any team entering or expanding in this space.
Growth phase with easing annual volume since 2022 peak
The field is classified as Growth: the recent three-year filing window sits well above the prior three-year window, reflecting a multi-year expansion from a very low base. However, annual volume has eased from its 2022 peak, meaning the initial burst of foundational claiming by the two dominant entrants may be subsiding. Teams entering now face an established but not yet mature prior-art landscape, where differentiation in adjacent branches remains feasible.
Growth stageDuopoly structure with an 85% top-five share among leading filers
The top five filers account for 85% of the combined total of the hundred largest filers, and the top two alone — Hydrogenics Corp and Cummins Inc — dominate that share. The sharp drop-off to rank three (Nanomaterials Discovery Corp) and beyond indicates that the field has not yet attracted a broad competitive ecosystem. A challenger strategy focused on core H01M claims faces high freedom-to-operate risk; adjacent IPC classes offer lower density.
High concentrationA single, high-volume co-filing relationship anchors the ecosystem
The only identified co-applicant relationship in the evidence is between Hydrogenics Corp and Cummins Inc, with 45 jointly filed patent records — a substantial collaboration that explains much of the combined filing volume surge visible from 2022 onward. No other meaningful co-filing pairs are evident in the data, suggesting the broader ecosystem has not yet formed multi-party consortia. R&D teams should note that the Hydrogenics–Cummins alliance effectively functions as a single coordinated IP block.
Concentrated collaborationUS-first strategy; Europe and PCT provide secondary reach
The United States is the primary filing jurisdiction, followed by Europe (EPO) and WIPO (PCT). Canada, India, and Germany each represent smaller but non-trivial filing targets. Mining-relevant jurisdictions such as Australia and Norway appear at low counts, suggesting that the current leaders have not yet pursued comprehensive coverage in major mining-country markets. This gap may represent an opportunity for regionally focused applicants in those markets.
US-centric, selective globalGo 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.
| Applicant | Collaborator | Co-filings |
|---|---|---|
| Hydrogenics Corp | Cummins Inc | 45 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Hydrogenics Corp and Cummins Inc define the competitive frontier through a joint filing strategy
Both top players entered the alkaline fuel cell for mining space as new entrants on the evidence timeline, rapidly accumulating patent records concentrated in core H01M fuel-cell architecture and, secondarily, in electric vehicle propulsion (B60L).
Hydrogenics Corp
Hydrogenics Corp holds 119 patent records, the largest position among all ranked applicants. Its technology emphasis is concentrated in H01M 8 (fuel cell systems), with secondary coverage in B60L 50 and B60L 58 (electric vehicle propulsion), indicating a strategy that spans both cell-level innovation and vehicle integration. The momentum trend is flagged as a new entrant on the evidence timeline, consistent with the rapid ramp observed from 2022 onward.
patent records: 119Cummins Inc
Cummins Inc holds 72 patent records, placing it firmly in second position and substantially ahead of all other filers. Its focus mirrors the leader’s — H01M 8 is the primary class, with B60L 50 and H01M 16 as secondary classes — reflecting a coordinated rather than differentiated strategy relative to Hydrogenics, consistent with the 45-record joint filing relationship between the two. Momentum is also classified as a new entrant, reinforcing that both leaders built their positions simultaneously.
patent records: 72| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Hydrogenics Corp | 116 | ▲ new entrant |
| Cummins Inc | 71 | ▲ new entrant |
| WILLIAMS RICHARD K | 6 | ▲ new entrant |
| Caterpillar Inc | 2 | ▲ new entrant |
| WILLIAMS RICHARD KENT | 2 | ▲ new entrant |
Under-served adjacent branches in vehicle integration and electrolyte chemistry
Several IPC classes appear at low counts relative to the dominant H01M core, representing areas of relative sparsity that may warrant closer technical evaluation for teams seeking differentiated entry points.
B60L · Electric vehicle propulsion integration
B60L accounts for 20 patent records — 6% of IPC assignments — despite being the most logical systems-level complement to alkaline fuel cell power in mining vehicles. The density here is low relative to the core electrochemistry class, and the technical link to underground or surface mining vehicle electrification is direct. Teams with expertise in drivetrain integration or battery-fuel-cell hybrid control could find room to establish positions not already claimed by the Hydrogenics–Cummins block, though freedom-to-operate analysis against their B60L 50 filings would be essential before entry.
Search this in Eureka →B01D · Separation processes for CO2 and electrolyte management
B01D (separation processes, including filtration and gas scrubbing) appears at 16 patent records — 5% of IPC assignments — and is technically relevant to alkaline fuel cell operation, where CO2 removal from air feeds is a known performance challenge in underground mining environments. Activity in this class is led by King Abdullah University of Science and Technology, not by the dominant industrial pair, suggesting the sub-field is being explored in an academic rather than commercial context. Entrants with industrial-scale CO2 scrubbing know-how could find this an accessible adjacent branch with practical mining relevance.
Search this in Eureka →How leaders differ by technology route across IPC branches
Strength of each leader across the main technology routes.
| Player | H01M 8 · Batteries, cells & fuel cells | C25B 1 · Electrolytic production of compounds | B60L 50 · Electric vehicle propulsion | B60L 58 · Electric vehicle propulsion | C25B 15 · Electrolytic production of compounds |
|---|---|---|---|---|---|
| Hydrogenics Corp | Strong · 119 | Absent | Emerging · 9 | Emerging · 8 | Absent |
| Cummins Inc | Strong · 74 | Emerging · 2 | Emerging · 5 | Emerging · 1 | Emerging · 2 |
| Nanomaterials Discovery Corp | Strong · 13 | Absent | Absent | Absent | Absent |
| Akzo Nobel Chemicals International BV | Absent | Strong · 6 | Absent | Absent | Strong · 4 |
| Akzo Nobel N.V. | Absent | Strong · 4 | Absent | Absent | Strong · 3 |
| WILLIAMS RICHARD K | Strong · 6 | Absent | Absent | Absent | Absent |
| King Abdullah University of Science and Technology | Strong · 6 | Absent | Absent | Absent | Absent |
Frequently asked questions
The evidence covers 179 patent families in scope for this topic globally.
Hydrogenics Corp holds the top position with 119 patent records among the ranked applicants, followed by Cummins Inc with 72 patent records.
Filing volume was negligible before 2019 and surged sharply in 2022. The field is in a Growth phase on a multi-year basis, though annual volume has eased from its 2022 peak. Recent years (2024–2025) are further understated by publication lag and should not be interpreted as a real decline.
The United States is the primary filing jurisdiction, followed by Europe (EPO) and WIPO (PCT). Canada, India, Germany, Australia, and Norway also appear, though at much lower counts. Major mining-country markets such as Australia and Norway are notably underserved relative to the US-centric filing strategy of the dominant players.
Yes. Hydrogenics Corp and Cummins Inc have co-filed 45 patent records together, which is the only significant co-applicant relationship identified in the evidence. This alliance effectively functions as a coordinated IP block across the core H01M fuel-cell and B60L vehicle-propulsion classes.
B60L (electric vehicle propulsion integration) at 20 patent records and B01D (separation processes, relevant to CO2 scrubbing for underground environments) at 16 patent records are the largest adjacent branches by count while remaining sparse relative to the dominant H01M core. C01B (non-metallic elements and inorganic compounds) and C01D (alkali-metal compounds) are even sparser and may warrant technical evaluation for teams with chemistry expertise.
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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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