Electric Drivetrain for Marine Propulsion Patent Landscape
The electric drivetrain for marine propulsion space is a concentrated, growth-stage field dominated by GM Global Technology Operations, which holds the largest single-applicant position. The field is still expanding on a multi-year basis, though annual volume has eased from its 2022 peak and the most recent years are further understated by publication lag.
GM leads a tightly concentrated field with a thin challenger tier
GM Global Technology Operations LLC commands the top position with 31 patent records, more than double the next-ranked applicant, Rivian Holdings LLC at 15 patent records. The top five filers together account for 71% of the hundred largest filers’ combined total, signalling a highly concentrated competitive structure.
The gap between the leader and challengers is substantial: after Rivian, Aurora Flight Sciences Corp holds 6 patent records, Innovation Technologies Partners LP holds 5, and DIPP R AB and Nivalis Energy IP Holding LLC each hold 4. This two-tier structure — one dominant player and a sparse second tier — leaves the field open to displacement if challenger portfolios accelerate.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | GM Global Technology Operations LLC | 31 | |
| 2 | Rivian Holdings LLC | 15 | |
| 3 | Aurora Flight Sciences Corp | 6 | |
| 4 | Innovation Technologies Partners LP | 5 | |
| 5 | DIPP R AB | 4 | |
| 6 | Nivalis Energy IP Holding LLC | 4 | |
| 7 | NINGBO GEELY AUTOMOBILE RES & DEV CO LTD | 4 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 8 | Zhejiang Geely Holding Group Co., Ltd. | 4 | |
| 9 | Volvo Truck Corporation | 3 | |
| 10 | Hyliion Inc | 3 | |
| 11 | Dana Heavy Vehicle Systems Group LLC | 2 | |
| 12 | Cummins Inc | 2 | |
| 13 | Gillig LLC | 2 | |
| 14 | Intertrust Technologies Corporation | 1 |
GM’s scale advantage reflects early, systematic coverage of electric vehicle propulsion and battery systems; Rivian’s position, built as a new entrant, indicates that late arrivals can accumulate meaningful portfolios quickly in a young field. The thin mid-tier suggests most participants have not yet committed to broad portfolio strategies.
The most recent 18–24 months of filing data are under-counted due to patent publication lag; apparent softness in 2023–2024 activity should not be interpreted as a real slowdown. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Multi-year growth with a 2022 volume peak; propulsion and battery systems dominate the technology mix
The annual filing trend and IPC technology composition together reveal a field that built momentum through 2022 and retains multi-year growth, with a technology base anchored in core propulsion and energy-storage classes.
Annual filing trend
Filings were negligible through 2017, then climbed from 2 records in 2018 to a peak of 14 in 2022 before easing to 9 in 2023 and 6 in 2024. The recent-window growth rate of 32% confirms the field is still expanding on a multi-year basis. The 2023–2025 counts are understated by publication lag and should not be read as a real decline.
↗ Hover for values · click a bar to ask EurekaTechnology composition
B60L (Electric vehicle propulsion) is the dominant class with 60 patent records, followed by H02K (Electric motors and generators) at 22 and H01M (Batteries, cells and fuel cells) at 21. B60K (Vehicle propulsion and drive) and H02J (Power supply and grid systems) form a secondary cluster. Lower-count classes including G01R, B60H, G01C, and B60W mark adjacent technical areas with sparser coverage.
↗ 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.
Systems and methods for determining battery system…
System and methods for determining battery system power capability in a vehicle are presented. Peak power capability estimation systems and methods disclosed herein may compensate regressed parameters in a battery system circuit model for an effect of current magnitude. Utilizing the disclosed methods for accurately estimating peak power capability of a… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Vehicle charging path optimization systems and met… | 185 |
| 2 | Systems and methods for determining battery system… | 30 |
| 3 | Battery section balancing methods and systems | 28 |
| 4 | Battery systems operable in a backup mode and rela… | 26 |
| 5 | Motor Cooling System And Method | 18 |
| 6 | Systems and methods for control of a current inter… | 18 |
| 7 | Vehicle charging path optimization systems and met… | 14 |
| 8 | Methods, apparatus, and systems for preventing ove… | 14 |
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 dimensions — lifecycle stage, concentration, collaboration, and geography — shape where risk and opportunity sit in this landscape.
Growth stage, past its 2022 annual peak
The field is classified as Growth stage. The recent three-year filing window sits 32% above the prior three-year window, confirming multi-year expansion. Annual volume peaked in 2022 at 14 patent records and has eased since, though publication lag amplifies the apparent recent dip. Entrants arriving now can still establish meaningful positions before the field matures into a consolidation phase.
Growth · past 2022 peakOne dominant player; a sparse but active challenger tier
The top five filers hold 71% of the hundred largest filers’ combined total, with GM alone at 31 patent records. Below GM, Rivian at 15 patent records is the only credible near-term challenger. The remaining applicants each hold single-digit patent records, meaning the competitive moat is concentrated in two entities and the mid-tier is thin. New entrants with focused, high-quality filings could disrupt the second-tier rankings relatively quickly.
High concentrationOne active co-filer pair: Zhejiang Geely and Ningbo Geely
The only co-applicant pair identified in evidence is Zhejiang Geely Holding Group and Ningbo Geely Automobile Research & Development Co., which share 4 jointly filed patent records. This intra-group collaboration suggests coordinated IP strategy within the Geely ecosystem. No cross-company or industry-academia co-filing activity is evident in the corpus, indicating that collaborative R&D at scale remains an under-exploited route in this field.
Limited co-filingStrongly US-centric; minimal international protection
The United States leads with 61 patent records, far ahead of Europe (EPO) at 7, Canada and the United Kingdom at 4 each, and WIPO (PCT) at 4. Germany and Austria each hold 1 patent record. This heavily US-concentrated filing pattern suggests most applicants have not pursued broad international protection strategies, leaving significant jurisdictions — particularly Europe and Asia-Pacific — with sparse coverage that could be entered by competitors.
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.
| Applicant | Collaborator | Co-filings |
|---|---|---|
| Zhejiang Geely Holding Group Co., Ltd. | Ningbo Geely Automobile Research & Development Co., Ltd. | 4 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
GM anchors propulsion and battery systems; Rivian concentrates on motor hardware and drivetrain integration
The two dominant players occupy complementary technical positions: GM’s portfolio spans system-level propulsion, battery management, and charging infrastructure, while Rivian’s is anchored in motor hardware and mechanical drivetrain integration.
GM Global Technology Operations LLC
GM leads the corpus with 31 patent records, concentrated in B60L (Electric vehicle propulsion, 23 records), H01M (Batteries, cells and fuel cells, 10 records), and H02J (Power supply and grid systems, 9 records). The portfolio reflects a system-integrator strategy covering charging path optimization, battery state determination, and section balancing — all evidenced in the top-cited titles. GM entered the recent filing window as a new entrant in this specific sub-field, with 3 recent patent records, suggesting the bulk of its position was built in the prior period.
patent records: 31Rivian Holdings LLC
Rivian holds 15 patent records, focused on H02K (Electric motors and generators, 14 records), B60K (Vehicle propulsion and drive, 9 records), and B60B (Vehicle wheels and tyres, 3 records). This motor-hardware-first profile contrasts with GM’s system-level coverage. Rivian entered this sub-field as a new entrant with 12 recent patent records, indicating that nearly its entire position has been built in the most recent filing window — a rapid ramp that signals an aggressive and ongoing IP accumulation strategy.
patent records: 15| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| GM Global Technology Operations LLC | 3 | ▲ new entrant |
| Rivian Holdings LLC | 12 | ▲ new entrant |
| Innovation Technologies Partners LP | 1 | ▲ new entrant |
| Zhejiang Geely Holding Group Co., Ltd. | 1 | ▲ new entrant |
| Ningbo Geely Automobile Research & Development Co., Ltd. | 1 | ▲ new entrant |
| Nivalis Energy IP Holding LLC | 2 | ▲ new entrant |
| Hyliion Inc | 1 | ▲ new entrant |
| Volvo Truck Corporation | 3 | ▲ new entrant |
Under-served adjacent branches worth monitoring in marine electric propulsion
Several IPC classes adjacent to the dominant B60L core have sparse coverage relative to their technical relevance to marine electric drivetrains. These represent observations of relative sparsity; entry viability depends on additional commercial and regulatory analysis.
H02J · Power supply and grid systems
With only 10 patent records and a 5% share among the top-IPC classes, power supply and grid integration is the largest under-served adjacent branch. For marine applications, shore-power connectivity, vessel-to-grid discharge, and multi-vessel charging infrastructure are plausible technical gaps. The modest filing density and the absence of a dominant incumbent in this sub-class suggest an accessible entry path for applicants with grid-integration expertise.
Search this in Eureka →G01C · Distance, navigation and gyroscopes
G01C holds only 6 patent records at a 3% share, despite navigation and positioning being integral to autonomous and semi-autonomous marine vessel operation. The intersection of electric drivetrain control with inertial navigation and dynamic positioning is technically meaningful and largely unclaimed in this corpus. Innovation Technologies Partners LP is one of the few applicants active in this class, suggesting the area is not yet contested.
Search this in Eureka →How leading applicants differ by technology route
Route coverage across the main technology branches in the current evidence set.
| Player | B60L 11 · Electric vehicle propulsion | B60L 50 · Electric vehicle propulsion | B60K 1 · Vehicle propulsion & drive | H02K 3 · Electric motors & generators | B60L 58 · Electric vehicle propulsion |
|---|---|---|---|---|---|
| GM Global Technology Operations LLC | Strong · 23 | Emerging · 4 | Absent | Absent | Moderate · 5 |
| Rivian Holdings LLC | Absent | Absent | Strong · 9 | Strong · 14 | Absent |
| Nivalis Energy IP Holding LLC | Absent | Strong · 4 | Strong · 4 | Absent | Absent |
| Innovation Technologies Partners LP | Emerging · 1 | Strong · 6 | Absent | Absent | Absent |
| Hyliion Inc | Absent | Strong · 3 | Absent | Absent | Absent |
| Ningbo Geely Automobile Research & Development Co., Ltd. | Absent | Moderate · 1 | Absent | Absent | Strong · 2 |
| Cummins Inc | Absent | Strong · 1 | Strong · 1 | Absent | Strong · 1 |
Frequently asked questions
The corpus contains 53 patent families in scope. This is a relatively small, specialist field — significantly smaller than broader electric vehicle drivetrain spaces — which reflects the early-growth stage of marine-specific electrification.
GM Global Technology Operations LLC leads with 31 patent records, accounting for a dominant share of the corpus. Rivian Holdings LLC is the second-ranked filer at 15 patent records. Together these two applicants account for the majority of the field’s documented IP activity.
Annual filings grew from 2 records in 2018 to a peak of 14 in 2022, then eased to 9 in 2023 and 6 in 2024. The field is classified as Growth stage: the recent three-year window sits 32% above the prior three-year window on a multi-year basis. The apparent recent softness is amplified by patent publication lag, and the 2023–2025 figures are expected to be revised upward as publications clear.
B60L (Electric vehicle propulsion) dominates at 60 patent records, followed by H02K (Electric motors and generators) at 22 and H01M (Batteries, cells and fuel cells) at 21. Under-served adjacent branches include H02J (Power supply and grid systems) at 10 records and G01C (Distance, navigation and gyroscopes) at 6 records — both technically relevant to marine applications but with sparse existing coverage.
The United States leads by a wide margin with 61 patent records. Europe (EPO) follows at 7, with Canada and the United Kingdom at 4 each, and WIPO (PCT) at 4. Germany and Austria each hold 1 patent record. This US-centric distribution suggests that international protection — particularly in Europe and Asia-Pacific — is largely absent, leaving those jurisdictions more open to entry.
The only co-applicant pair identified in the evidence is Zhejiang Geely Holding Group and Ningbo Geely Automobile Research & Development Co., which share 4 jointly filed patent records reflecting coordinated intra-group IP strategy. No cross-company or industry-academia co-filing is evident in the current corpus, making broad collaborative patent activity an under-exploited pathway in this field.
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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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