Direct Methanol Fuel Cell Telecom Infrastructure Patent Landscape
Direct Methanol Fuel Cell for Telecom Infrastructure Patent Landscape in 2026
Patent activity in direct methanol fuel cells for telecom infrastructure is highly concentrated among a small French research consortium, with meaningful filings peaking around 2019 and no recorded filings since 2020. The field is in decline, leaving power-system integration routes largely uncontested for new entrants.
A tightly clustered French consortium dominates a sparse field
The corpus is extremely small, and the top-ranked filers — Centre National de la Recherche Scientifique (CNRS), IRT Antoine de Saint Exupery, and Institut National Polytechnique de Toulouse — each hold 3 patent records, placing them jointly at the top of the applicant ranking. The top five filers account for 85% of the combined output of the hundred largest filers in this topic.
The concentration ratio is exceptionally high for such a narrow corpus: the dominant cluster is a single co-filing consortium rather than competing independent actors. Outside that consortium, Gillette (The Gillette Co.) and a small number of individual inventors account for the remaining activity, indicating no meaningful second tier.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Centre National de la Recherche Scientifique (CNRS) | 3 | |
| 2 | IRT Antoine de Saint Exupery | 3 | |
| 3 | Institut National Polytechnique de Toulouse | 3 | |
| 4 | The Gillette Company | 1 | |
| 5 | Klein David N | 1 | |
| 6 | Gilicinski Andrew G | 1 | |
| 7 | Bourilkov Jordan T | 1 |
The leaders’ positions reflect collaborative institutional research rather than commercial product development. This suggests the technology has not yet attracted sustained industrial patent investment in the telecom context, leaving the field structurally open to organizations willing to commit applied R&D resources.
The most recent filing period should be treated with caution given standard publication lags; however, the absence of filings from 2021 onward across multiple years is consistent with the decline stage indicated by the trend data.
Activity peaked in 2019 and has not recovered; fuel-cell core claims dominate
Two charts together tell the story of a field that flared briefly around 2019 and has since gone quiet, with its technology mix anchored almost entirely in core fuel-cell and battery classification codes.
Annual filing trend
Filings were zero from 2017 to 2018, rose to 2 records in 2019, fell to 1 in 2020, and have been zero every year since. The peak year of 2019 was driven by the French consortium’s collaborative filing. The absence of any recorded filings from 2021 through 2025 is consistent with the decline lifecycle stage; publication lag does not explain a gap of this length.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H01M (Batteries, cells and fuel cells) accounts for 9 of the patent records in scope, making it the overwhelmingly dominant IPC class. G01R (Electric and magnetic measurement) contributes 2 records, and H02J (Power supply and grid systems) contributes only 1 — the sole adjacent branch flagged as sparse relative to the topic’s technical scope.
↗ 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.
Compact multi-functional modules for a direct meth…
A compact direct methanol fuel cell (DMFC) system based on modules is provided. The system addresses issues related to the critical functions of water recovery from the cathode exhaust, carbon dioxide separation from the anode output stream, dilution of incoming concentrated methanol and thermal management in a DMFC system. The system is based on a more… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Compact multi-functional modules for a direct meth… | 17 |
| 2 | Compact multi-functional modules for a direct meth… | 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 patent structure means for R&D strategy
The combination of a decline-stage lifecycle, extreme concentration in a single consortium, and a nearly empty power-integration branch creates a specific strategic signal for prospective entrants.
Decline stage: activity peaked in 2019 and has not resumed
The lifecycle is classified as Decline, with annual volume having eased back from the 2019 peak and no recorded filings in subsequent years. This does not mean the technology is exhausted — it means existing IP holders have not continued to file, which may reflect a pivot away from the topic, funding cycles, or unresolved commercialization barriers. A new entrant could file into an effectively uncontested space.
Lifecycle · DeclineOne consortium holds the dominant position; no real second tier
The top five filers represent 85% of the combined output of the hundred largest filers, and those top five are dominated by a single French co-filing consortium (CNRS, IRT Antoine de Saint Exupery, and Institut National Polytechnique de Toulouse). Gillette and individual inventors occupy the remaining ranked positions with 1 patent record each. Any organization filing even a modest portfolio in this topic would immediately become a significant presence.
Concentration · Very HighA dense three-way French consortium anchors all meaningful co-filing
The collaboration evidence shows that Centre National de la Recherche Scientifique (CNRS), Institut National Polytechnique de Toulouse, Zodiac Aerotechnics, and IRT Antoine de Saint Exupery all co-file with each other at a count of 3 co-filed records per pair — forming a fully interconnected four-party cluster. A separate, smaller cluster involves Gillette co-filing with individual inventors (Rotondo, Klein, Gilicinski), each at 1 record. No cross-cluster collaboration is evident.
Collaboration · Consortium-ledPCT and EPO lead; North American coverage is thin
WIPO (PCT) is the lead filing office with 4 patent records, followed by Europe (EPO) and France with 2 records each, and Canada and the United States with 1 record each. The heavy reliance on PCT and EPO routes reflects the consortium’s European base. North American coverage — despite the presence of Gillette and individual US-based inventors — is minimal, suggesting a jurisdictional gap that a commercially oriented applicant could exploit.
Geography · Europe-heavyGo 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 |
|---|---|---|
| Centre National de la Recherche Scientifique (CNRS) | Institut National Polytechnique de Toulouse | 3 |
| Centre National de la Recherche Scientifique (CNRS) | Zodiac Aerotechnics | 3 |
| Institut National Polytechnique de Toulouse | Zodiac Aerotechnics | 3 |
| IRT Antoine de Saint Exupery | Centre National de la Recherche Scientifique (CNRS) | 3 |
| IRT Antoine de Saint Exupery | Institut National Polytechnique de Toulouse | 3 |
| IRT Antoine de Saint Exupery | Zodiac Aerotechnics | 3 |
| ROTONDO JOHN | The Gillette Company | 1 |
| Klein David N | The Gillette Company | 1 |
| Gilicinski Andrew G | The Gillette Company | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
French research consortium leads; Gillette is the sole commercial-adjacent presence
The Momentum data is not available for any applicant in this corpus.
Centre National de la Recherche Scientifique (CNRS)
CNRS holds 3 patent records, all within H01M (fuel cells and batteries) and G01R (electric measurement), co-filed as part of the broader French consortium with IRT Antoine de Saint Exupery, Institut National Polytechnique de Toulouse, and Zodiac Aerotechnics. All filings are concentrated around 2019–2020. Applicant momentum data is not available for this filer.
patent records: 3The Gillette Company
Gillette holds 1 patent record, focused on H02J (power supply and grid systems) — the sole adjacent branch in the topic — co-filed with individual inventors Klein, Gilicinski, and Rotondo. This positions Gillette as the only commercial-adjacent entity with coverage in the power-integration route, though the filing is isolated and predates the consortium’s activity. Applicant momentum data is not available.
patent records: 1Power supply integration is the most under-served adjacent branch
With the core fuel-cell classification heavily occupied by the French consortium, the power supply and grid systems branch stands out as sparsely covered relative to its technical relevance to telecom infrastructure deployment.
H02J · Power Supply & Grid Systems
H02J accounts for only 1 patent record in scope, representing 8% of the technology composition — the lowest share of any classified branch. For telecom infrastructure applications, power conditioning, grid interconnection, and hybrid backup architectures are commercially critical, yet this branch is nearly empty. The sole H02J record is held by Gillette and individual inventors, not by the dominant research consortium. An applicant with systems-integration expertise could file in this branch with minimal overlap against existing holders.
Search this in Eureka →G01R · Electric & Magnetic Measurement
G01R contributes 2 patent records, both held exclusively by the French consortium (CNRS, Institut National Polytechnique de Toulouse, Zodiac Aerotechnics, and IRT Antoine de Saint Exupery) in the context of fuel-cell diagnostics and characterization. While less sparse than H02J, the branch remains lightly covered and is entirely controlled by one collaborative group. Measurement and monitoring approaches tailored specifically to telecom duty cycles — remote operation, variable load, harsh environments — are not evidently addressed by existing filings, suggesting a technically plausible adjacent entry point.
Search this in Eureka →How the leading filers differ by technology route
Strength of each leader across the main technology routes.
| Player | H01M 8 · Batteries, cells & fuel cells | H01M 2 · Batteries, cells & fuel cells | G01R 27 · Electric & magnetic measurement | H02J 7 · Power supply & grid systems |
|---|---|---|---|---|
| IRT Antoine de Saint Exupery | Strong · 3 | Strong · 2 | Strong · 2 | Absent |
| Institut National Polytechnique de Toulouse | Strong · 3 | Strong · 2 | Strong · 2 | Absent |
| Centre National de la Recherche Scientifique (CNRS) | Strong · 3 | Strong · 2 | Strong · 2 | Absent |
| Bourilkov Jordan T | Absent | Absent | Absent | Strong · 1 |
Frequently asked questions
There are 3 patent families in scope for this topic. The corpus is very small, indicating that direct methanol fuel cells have not attracted substantial sustained patent investment specifically for telecom infrastructure applications.
The top-ranked filers are Centre National de la Recherche Scientifique (CNRS), IRT Antoine de Saint Exupery, and Institut National Polytechnique de Toulouse, each holding 3 patent records. They form a tightly integrated co-filing consortium and together dominate the corpus.
Activity peaked in 2019 with 2 patent records filed, followed by 1 record in 2020. No filings have been recorded from 2021 onward, and the lifecycle is classified as Decline, consistent with a field where active R&D investment has effectively ceased among current filers.
WIPO (PCT) leads with 4 patent records, followed by Europe (EPO) and France with 2 records each, and Canada and the United States with 1 record each. Coverage is concentrated in European and international filing routes, reflecting the French consortium’s geographic base.
H01M (Batteries, cells and fuel cells) is the dominant IPC class, accounting for 9 patent records. G01R (Electric and magnetic measurement) has 2 records and H02J (Power supply and grid systems) has 1 record — the latter being the most under-served adjacent branch.
Yes. The evidence shows a fully interconnected four-party consortium: CNRS, Institut National Polytechnique de Toulouse, Zodiac Aerotechnics, and IRT Antoine de Saint Exupery each co-file with every other member of the group at 3 co-filed records per pair. A separate smaller cluster involves Gillette co-filing with individual inventors at 1 record per pair.
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