EV Powertrain Thermal/Electrical Interface Patent Snapshot
The EV powertrain thermal/electrical interface field is in a growth stage, with annual filing activity rising sharply since 2021 and a 240% increase over the recent window. The corpus is modestly sized and moderately concentrated, with Flyer Next LLC leading by patent records and established Tier-1 suppliers — Bosch, Volvo Car, Cummins, and Schaeffler — rounding out the top tier.
A growth-stage field led by Flyer Next, with established suppliers close behind
Flyer Next LLC holds the top position with 5 patent records, followed by Robert Bosch GmbH, Volvo Car Corp, and Cummins Inc each with 3 records, and Schaeffler Technologies AG with 2 records. The top five filers account for 31% of the combined output of the ranked applicants visible in this query, signalling moderate concentration in a still-forming assignee snapshot.
The top-tier gap between the leader and the second-place group is narrow — only 2 patent records — suggesting that no single player has yet established a commanding position. This compresses the competitive tier and leaves room for new entrants or challengers to close the gap quickly.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Flyer Next LLC | 5 | |
| 2 | Robert Bosch GmbH | 3 | |
| 3 | Volvo Car Corporation | 3 | |
| 4 | Cummins Inc | 3 | |
| 5 | SCHAEFFLER TECHNOLOGIES AG & CO KG | 2 | |
| 6 | Dana Heavy Vehicle Systems Group LLC | 2 | |
| 7 | ZF Friedrichshafen AG | 2 | |
| 8 | Arrival Ltd | 2 | |
| 9 | Gillig LLC | 2 | |
| 10 | Ford Global Technologies LLC | 2 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | COUNCIL OF SCI & IND RES | 2 | |
| 12 | Dr. Patil Mounica | 1 | |
| 13 | Potential Motors Inc | 1 | |
| 14 | Dr. P. Suresh Kumar | 1 | |
| 15 | Caterpillar Inc | 1 | |
| 16 | Bharathi K | 1 | |
| 17 | Exro Technologies Inc | 1 | |
| 18 | Mohan Bukya | 1 | |
| 19 | Devikalyani R | 1 | |
| 20 | A. Ananda Kumar | 1 |
The presence of heavy-vehicle specialists (Cummins, Dana, Gillig) alongside passenger-car OEMs (Volvo Car, Ford) and a driveline supplier (Schaeffler) indicates that the interface challenge is being tackled across multiple vehicle segments simultaneously, rather than being driven by a single platform.
Filings from 2025 and 2026 are likely under-counted due to standard patent publication lag; the true recent activity level is higher than current records indicate. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Sharp filing acceleration since 2021, dominated by electric propulsion control
Two patterns define the field’s current structure: a pronounced uptick in annual filings beginning in 2021 — culminating in a 2024 peak — and a technology mix anchored heavily in electric vehicle propulsion control (B60L), with secondary branches in vehicle drive systems and hybrid control.
Annual filing trend
Filings were minimal from 2017 to 2020 (1–2 records per year, with zero in 2019), then accelerated to 4 in 2021 before reaching 13 in 2024. The 2025 and 2026 figures (7 and 4 records, respectively) should be read as provisional — publication lag means real activity in those years is under-represented.
↗ Hover for values · click a bar to ask EurekaTechnology composition
B60L (electric vehicle propulsion) is visible in with 38 records, far ahead of B60K (vehicle propulsion and drive) at 11 and B60W (hybrid/joint vehicle control) at 7. Lower-share branches — including F16H (gearing and transmissions), H02J (power supply), H02K (electric motors), and H02P (motor control) — each carry 3–6 records, flagging areas where the interface challenge is addressed but not yet deeply covered.
↗ 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.
SCHNITTSTELLENVORRICHTUNG FÜR EINEN ELEKTROMOTOR O…
Die Erfindung betrifft ein Herstellungsverfahren für eine Schnittstellenvorrichtung für einen Elektromotor eines Fahrzeugs, wobei mindestens eine Stromschiene (22) der späteren Schnittstellenvorrichtung und mindestens ein jeweils an der zugeordneten Stromschiene (22) angeordneter magnetischer Flusskonzentrator (20) der späteren Schnittstellenvorrichtung… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Active motor damping control of a hybrid electric … | 34 |
| 2 | Ac/DC hybrid electric drivetrain system and method… | 15 |
| 3 | Electric vehicle battery management apparatus and … | 13 |
| 4 | Electric drivetrain using a configurable power con… | 10 |
| 5 | Active motor damping control of a hybrid electric … | 8 |
| 6 | Battery control assembly for a battery system and … | 6 |
| 7 | Electronics housing for an e-axis drive and e-axis… | 4 |
| 8 | Electric drivetrain and method for operation of sa… | 3 |
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.
Assignee snapshot from the current evidence set
The applicants below are visible in this query result. Because the evidence set is relatively small, read this section as a directional snapshot rather than a full competitive ranking.
Flyer Next LLC
Flyer Next LLC leads the corpus with 5 patent records and carries a ‘new entrant’ trajectory, meaning all of its filings are concentrated in the recent period. Its technology emphasis spans B60K 17 and B60K 23 (vehicle propulsion and drive sub-systems) alongside B60L 15 (electric vehicle propulsion control), indicating a focus on the mechanical-electrical interface of the drive unit rather than upstream power electronics.
5 patent recordsRobert Bosch GmbH
Robert Bosch GmbH holds 3 patent records and also enters the recent window as a new entrant. Its technology emphasis combines B60L 15 (electric vehicle propulsion) with H02P 27 (motor and generator control) and G01R 15 (electrical measurement), pointing to a focus on the sensing and control layer of the thermal/electrical interface — a differentiated angle relative to the mechanical-integration focus of the leader.
3 patent recordsFrequently asked questions
The current evidence covers 37 patent families in scope. This is a modestly sized corpus consistent with a field that has only recently entered a growth stage, with the majority of filings concentrated from 2021 onward.
Flyer Next LLC leads with 5 patent records, followed by Robert Bosch GmbH, Volvo Car Corp, and Cummins Inc each with 3 records. Flyer Next’s lead is narrow and all of its filings are concentrated in the recent period, marking it as a new entrant.
The United States leads with 18 patent records, followed by WIPO PCT filings (7), Europe via EPO (6), and India (6). Israel, the UAE, and Canada each have 1–2 records. US dominance reflects the concentration of North American commercial and passenger EV programs.
B60L (electric vehicle propulsion) is visible with 38 patent records. B60K (vehicle propulsion and drive) is second with 11, and B60W (hybrid/joint vehicle control) is third with 7. These three branches account for the large majority of the classified activity.
The current evidence contains no recorded co-applicant relationships. Applicants appear to be filing independently, which is consistent with the proprietary, pre-standard nature of interface architecture development at this growth stage.
F16H (gearing and transmissions) at 6 records, H02J (power supply and grid systems) and H02K (electric motors and generators) at 3 records each, and H02P (control of motors and generators) at 3 records are the sparsest adjacent branches. These may offer entry points for specialists in mechanical transmission, power electronics, or motor thermal management, though each case requires further freedom-to-operate analysis.
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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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