Wireless Power Transfer for Renewable Hydrogen Patents
The intersection of wireless power transfer and renewable hydrogen production remains an exceptionally early-stage patent space, with only 4 patent families on record and activity concentrated among individual inventors rather than corporate R&D programs. Filing activity expanded sharply on a multi-year basis though annual volume peaked in 2022, leaving the field structurally open for organized technical entrants.
A nascent field dominated by individual inventors with no corporate presence yet
The top-ranked applicant holds 1 patent family, and the five largest filers collectively account for all activity among the hundred largest filers, reflecting a field that has not yet attracted institutional or corporate assignees. The leading names in the ranking are DIMMOCK MARK STEWART, MARK STEWART DIMMOCK, and STEPHEN CHRISTOPHER COLIN.
Concentration is absolute at this scale: with only 4 patent families in scope, there is no meaningful tier gap between leaders and followers — all participants are essentially co-equal early movers. This structural condition signals an untapped area rather than an established competitive battleground.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Mark Stewart Dimmock | 1 | |
| 2 | Mark Stewart Dimmock | 1 | |
| 3 | Stephen Christopher Colin | 1 |
The absence of corporate or institutional assignees implies that no major energy, power electronics, or hydrogen technology company has yet staked formal IP positions at this specific intersection, leaving the technical framing largely defined by individual inventors with a marine-vessel application focus.
The most recent filing years should be treated as understated due to standard patent publication lag of 18–24 months; the apparent absence of activity after 2022 does not indicate that the field has gone inactive. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
A 2022 filing spike anchors a multi-year growth story; marine and power-grid branches dominate the technology mix
The annual trend and technology composition together reveal a field that emerged only after 2020 and has been shaped predominantly by marine-vessel and grid-power applications rather than dedicated hydrogen production or electrolysis systems.
Annual filing trend
No filings were recorded before 2021; activity jumped in 2022 and then shows zeros through 2026, which reflects publication lag rather than a halt in activity. The three-year recent window sits well above the prior three-year window, confirming a growth trajectory on a multi-year basis even as annual volume has eased from the 2022 peak.
↗ Hover for values · click a bar to ask EurekaTechnology composition
Ships and marine vessels (B63B) and power supply and grid systems (H02J) each appear across all 4 patent families, establishing them as the defining technical axes of this corpus. Electric vehicle propulsion (B60L) is the next most represented branch, while wind motors (F03D), gas storage (F17C), and control systems (G05B) each appear in only a single family, signaling sparse but present coverage of adjacent renewable-energy sub-topics.
↗ 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.
Offshore wireless power transfer system
The invention relates to an offshore wireless power transfer system for water vessels at least partially electrically driven comprising a primary interface coupled with a power source and a secondary interface coupled with the water vessel, the interfaces providing unidirectional or bidirectional power transfer which can be inductive, capacitive, and/or… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Marine rechargeable power source system | 1 |
| 2 | Hydrogen transportation and storage system | 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 investment decisions
Four structural observations — maturity stage, competitive concentration, collaboration patterns, and geographic spread — together define the investment risk and opportunity profile of this field.
Growth stage, but from a very small base
The lifecycle evidence classifies this field as Growth, with recent three-year filings well above the prior three-year window, representing a 200% increase. Annual volume peaked in 2022 and has eased since, and the most recent years are further understated by publication lag. An engineer evaluating entry should treat this as a frontier space rather than a maturing one — foundational claim positions remain available.
Growth stageTotal concentration among a handful of individual inventors
The top five filers account for the entirety of activity among the hundred largest filers in this space. All identified assignees appear to be individual inventors rather than companies or institutions, which is unusual even for early-stage fields. A single corporate filing program would immediately establish market-leading IP density.
Highly concentratedNo co-applicant activity detected
The collaboration evidence shows no co-applicant filings within this corpus. The absence of joint applications between universities, national labs, or industry partners is consistent with the nascent character of the field and with individual-inventor-led activity. Formal R&D partnerships, common in adjacent hydrogen and wireless-charging domains, have not yet migrated into this intersection.
Evidence pendingUnited States leads; Australia is the only other jurisdiction
The United States accounts for the majority of patent records filed, with Australia as the only other jurisdiction represented. No European, Asian, or PCT filings appear in the corpus, leaving broad geographic white space for applicants seeking international protection. For a technology with clear offshore energy and shipping-route applications, this geographic gap is notable.
US-centricGo 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.
Frequently asked questions
The evidence shows 4 patent families in scope for this topic, making it one of the smallest patent landscapes at the intersection of wireless power transfer and renewable hydrogen technology.
The leading filers are individual inventors rather than corporations. Kamil Podhola holds the most activity with 3 recent patent families, followed by Mark Stewart Dimmock and Stephen Christopher Colin each with 1 patent family. No institutional or corporate assignees appear in the ranking.
The field is classified as Growth, with recent three-year filings well above the prior three-year window — a 200% increase. Annual volume peaked in 2022 and has eased since, and the most recent years are further understated by publication lag, so the apparent absence of post-2022 activity should not be read as stagnation.
Ships and marine vessels (B63B) and power supply and grid systems (H02J) are the two most represented IPC branches, each appearing across all 4 patent families. Electric vehicle propulsion (B60L) is the next most represented. Wind turbines (F03D), gas storage (F17C), and control systems (G05B) each appear in only a single family.
The United States accounts for the majority of patent records, with Australia as the only other jurisdiction represented. No European, Asian, or PCT filings are present in the corpus.
Pressure vessels and gas storage (F17C) and wind motors (F03D) each appear in only a single patent family. Given their centrality to offshore hydrogen production systems, these branches are under-served relative to the dominant marine and grid axes and may represent areas where new technical contributions could establish novel claim positions.
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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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