EV Chassis & Suspension Patent Landscape 2026
The EV chassis and suspension patent field is at maturity, with 956 patent families and annual volume plateaued near its 2023 peak. Volvo Truck Corp leads a moderately concentrated field dominated by established OEMs and tier-1 suppliers, with vehicle suspension (B60G) accounting for the largest share of activity.
Volvo Truck leads a moderately concentrated field of established OEMs and suppliers
Volvo Truck Corp holds the leading position with 74 patent records, followed closely by General Motors LLC at 66 and ZF Friedrichshafen AG at 65. The top five filers together account for 19% of the hundred largest filers’ combined total, indicating a moderately — rather than highly — concentrated competitive structure.
The gap between the leader and the second- and third-ranked applicants is narrow, suggesting no single player has achieved decisive separation. A broad tier of established OEMs and tier-1 suppliers — including GM Global Technology Operations, Peugeot Citroën, Renault, Ford, and Hendrickson — clusters within a 24-to-54 patent-record range, reinforcing the distributed competitive picture.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Volvo Truck Corp | 74 | |
| 2 | General Motors LLC | 66 | |
| 3 | ZF Friedrichshafen AG | 65 | |
| 4 | GM Global Technology Operations LLC | 54 | |
| 5 | Peugeot Citroën Automobiles SA | 50 | |
| 6 | Renault SA | 46 | |
| 7 | Ford Global Technologies LLC | 44 | |
| 8 | Hendrickson International Corporation | 40 | |
| 9 | Ford Motor Co Ltd | 36 | |
| 10 | Bayerische Motoren Werke AG (BMW) | 33 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | Weweler Nederland BV | 30 | |
| 12 | Ford Werke GmbH | 28 | |
| 13 | CONTINENTAL TEVES AG & CO OHG | 27 | |
| 14 | Meritor Heavy Vehicle Systems Ltd | 27 | |
| 15 | DEERE & CO | 26 | |
| 16 | Scania CV AB | 25 | |
| 17 | Audi AG | 24 | |
| 18 | Renault (Régie Nationale des Usines Renault) | 24 | |
| 19 | AGCO Corporation | 24 | |
| 20 | Ford Motor Company | 24 |
The presence of both vehicle OEMs (Volvo, GM, BMW, Renault, Ford, Scania) and specialist suspension and chassis suppliers (ZF Friedrichshafen, Hendrickson, Weweler, Continental Teves) in the top 20 implies that innovation is distributed across the supply chain rather than concentrated at the OEM level alone. This dual-layer structure complicates freedom-to-operate assessments.
Filing counts for 2024 and 2025 are likely under-represented due to patent publication lag; the apparent recent dip should not be read as a structural decline. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filing activity has plateaued near its 2023 peak; vehicle suspension dominates the technology mix
The annual filing trend reveals a field that grew through 2018–2023 and has since stabilised, while the IPC class breakdown shows a strong concentration in vehicle suspension with meaningful adjacent activity in chassis structure, propulsion integration, and spring/damper systems.
Annual filing trend
Filings rose from 91 in 2017 to a peak of 128 in 2023 before easing to 97 in 2024. The 2025 and 2026 figures are materially incomplete due to publication lag and should not be interpreted as a directional signal. The multi-year window shows 4% recent growth, consistent with a field at maturity rather than contraction.
↗ Hover for values · click a bar to ask EurekaTechnology composition
B60G (Vehicle suspension) commands the largest share of patent records by a wide margin, reflecting the field’s core engineering focus. B62D (Motor vehicles and steering), B60K (Vehicle propulsion and drive), and F16F (Springs and vibration dampers) form a meaningful second tier. Lower-density classes including B60L (Electric vehicle propulsion), B60T (Vehicle brakes and braking), and B60B (Vehicle wheels and tyres) represent areas where chassis-specific EV integration work remains comparatively sparse.
↗ 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.
Natural active vehicle suspension assembly
A vehicle suspension system may include a vehicle chassis, a centerless wheel which may include a wheel rim and a tire, and a natural active suspension assembly which may operably couple the centerless wheel to the vehicle chassis via the wheel rim. The natural active suspension assembly may support the vehicle chassis at a substantially constant distance… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Electric vehicle chassis with removable battery mo… | 232 |
| 2 | Control system for a vehicle suspension | 208 |
| 3 | Method and apparatus for estimating incline and ba… | 177 |
| 4 | Electric vehicle chassis with removable battery mo… | 153 |
| 5 | Vehicle chassis and body construction | 150 |
| 6 | Wheel-support assembly for rolling and stepping ve… | 140 |
| 7 | Tapered convolute leaf spring for truck suspensions | 139 |
| 8 | Battery pack mounting architecture with shear plat… | 136 |
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
The combination of a mature lifecycle, moderate concentration, active cross-industry collaboration, and broad geographic filing points to a field where differentiation requires targeted technical positioning rather than broad portfolio building.
Field is at plateau — incremental differentiation now dominates
The lifecycle stage is Maturity, with annual filings having plateaued near the 2023 peak of 128 records. The multi-year growth rate stands at 4%, confirming stability rather than expansion or contraction. R&D investment is best directed toward technically distinct sub-areas — particularly EV-specific integration of suspension with battery packaging and propulsion — rather than broad foundational claims already well-covered by incumbents.
Lifecycle: MaturityModerate concentration with a wide second tier creates room for challengers
The top five filers hold 19% of the hundred largest filers’ combined total, and the gap between ranks 1 and 10 spans only 41 patent records. This relatively flat hierarchy means no single incumbent has locked out the field. New entrants with technically differentiated approaches — particularly in EV-native chassis architectures or active suspension integrated with drive systems — face a navigable competitive environment rather than an impenetrable incumbent wall.
Concentration: ModeratePeugeot Citroën–Toyota partnership is the most active co-filing pair
The most active co-filing relationship in the corpus is between Peugeot Citroën Automobiles and Toyota, with 10 joint filings, followed by Peugeot Citroën and Auto Chassis International with 9. ZF Friedrichshafen and Leichtbau-Zentrum Sachsen (Lightweight Structures Centre Saxony) co-filed twice, pointing to a materials-lightweighting angle within ZF’s suspension strategy. Renault’s two-filing collaboration with Hutchinson signals interest in vibration-damping materials. These pairings suggest that OEM–supplier and OEM–OEM alliances are a viable route for accelerating chassis integration work.
Collaboration: ActiveUS leads filing volume; China and Europe are substantial second-tier markets
The United States is the dominant filing jurisdiction, followed by China and the EPO (European Patent Office). The United Kingdom, WIPO PCT, Germany, and France represent additional important coverage zones. The geographic spread across three major economic blocs means that freedom-to-operate analysis must address all three regions. China’s prominent position relative to Chinese applicants’ lower share in the applicant ranking suggests significant foreign-applicant filings directed at the Chinese market.
Geography: US-led, 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 |
|---|---|---|
| Peugeot Citroën Automobiles SA | Toyota Motor Corporation | 10 |
| Peugeot Citroën Automobiles SA | Auto Chassis International | 9 |
| General Motors LLC | Delco Electronics Corporation | 2 |
| ZF Friedrichshafen AG | Leichtbau-Zentrum Sachsen GmbH | 2 |
| Renault SA | Hutchinson SA | 2 |
| General Motors LLC | Rieter Machine Works Ltd | 1 |
| Peugeot Citroën Automobiles SA | Citroën SA | 1 |
| Continental Teves AG & Co. OHG | ContiTech Vibration Control GmbH | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Volvo Truck and ZF Friedrichshafen lead on volume; Ford and Renault show recent momentum shifts
The top applicants split broadly into OEM vehicle manufacturers and specialist chassis/suspension suppliers. Volvo Truck Corp leads on total patent records, while ZF Friedrichshafen represents the strongest tier-1 supplier position with a technically distinct steering and multi-link suspension focus.
Volvo Truck Corp
Volvo Truck Corp leads the corpus with 74 patent records, focused on leaf-spring and adaptive suspension systems (B60G11, B60G17) and motor-vehicle chassis structure (B62D21). Its applicant momentum shows a ‘new entrant’ trend in the most recent filing window, which — given the scale of its overall portfolio — likely reflects a shift in filing entity or a recently initiated EV-specific programme rather than a genuine standing start. This positions Volvo as both the historical volume leader and an active participant in next-generation EV chassis work.
patent records: 74ZF Friedrichshafen AG
ZF Friedrichshafen AG holds 65 patent records and is the leading pure-play tier-1 supplier in the ranking. Its technology focus spans truck body and cab structure (B62D33), multi-link suspension (B60G21), and independent wheel suspension (B60G3). ZF also co-filed with Leichtbau-Zentrum Sachsen on lightweight suspension structures. Momentum data shows a ‘new entrant’ signal in the recent window, suggesting ZF is opening a new filing front — plausibly tied to its electric axle and chassis integration product lines.
patent records: 65| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| VDL Weweler BV | 14 | ▼ -56% |
| Volvo Truck Corp | 3 | ▲ new entrant |
| ZF Friedrichshafen AG | 1 | ▲ new entrant |
| Ford Global Technologies LLC | 8 | ▼ -33% |
| Renault SA | 1 | ▲ new entrant |
Under-served adjacent branches in EV propulsion integration and braking
Several IPC classes adjacent to the dominant B60G suspension core show comparatively low patent-record counts relative to their plausible technical relevance for battery-electric vehicle platforms. These observations are not validated commercial opportunities but are worth monitoring as EV architectures mature.
B60L · Electric vehicle propulsion integration with chassis
B60L covers electric propulsion systems and accounts for only 104 patent records in the corpus — a small share relative to B60G’s dominant position. For battery-electric vehicles, the mechanical and thermal interface between the suspension system, the battery floor structure, and the drive motors is a technically complex integration problem that remains comparatively under-addressed in the patent record. An R&D team with combined expertise in suspension geometry and EV drivetrain packaging could find differentiated claim space here, particularly around in-wheel motor suspension mounting and battery-floor structural integration.
Search this in Eureka →B60T · Vehicle brakes and braking in EV chassis context
B60T (Vehicle brakes and braking) contributes 136 patent records — the second-largest of the lower-density adjacent classes. Regenerative braking coordination with suspension geometry and chassis dynamics is a specific EV integration challenge that differs from conventional braking and is not well-represented in the current corpus. The entry path is technically tractable for players already active in suspension control (B60G17) who can extend into brake-by-wire and regenerative torque distribution claims specific to EV chassis platforms.
Search this in Eureka →How leading applicants differ by technology route
Route coverage across the main technology branches in the current evidence set.
| Player | B60G 17 · Vehicle suspension | B60G 11 · Vehicle suspension | B62D 21 · Motor vehicles & steering | B60G 7 · Vehicle suspension | B60G 3 · Vehicle suspension |
|---|---|---|---|---|---|
| General Motors LLC | Strong · 84 | Absent | Moderate · 36 | Strong · 66 | Strong · 69 |
| VDL Weweler BV | Absent | Strong · 57 | Moderate · 12 | Strong · 57 | Absent |
| Peugeot Citroën Automobiles SA | Absent | Moderate · 16 | Absent | Strong · 26 | Strong · 32 |
| Volvo Truck Corp | Moderate · 18 | Strong · 37 | Moderate · 18 | Absent | Absent |
| Eaton Corporation | Strong · 27 | Strong · 25 | Absent | Absent | Absent |
| AGCO Corporation | Strong · 18 | Absent | Absent | Absent | Strong · 16 |
| Hendrickson International Corporation | Absent | Strong · 19 | Absent | Strong · 15 | Absent |
Frequently asked questions
The corpus covers 956 patent families globally. This is the family-level total used as the overall scope measure.
Volvo Truck Corp leads with 74 patent records, followed by General Motors LLC at 66 and ZF Friedrichshafen AG at 65. The top five filers account for 19% of the hundred largest filers’ combined total.
The field is at the Maturity stage. Annual filings plateaued near the 2023 peak of 128 records and have eased since. The multi-year recent growth rate stands at 4%, indicating stability. The 2024 and 2025 counts are incomplete due to publication lag.
B60G (Vehicle suspension) is by far the most active class. B62D (Motor vehicles and steering), B60K (Vehicle propulsion and drive), and F16F (Springs and vibration dampers) form a meaningful second tier. EV-specific classes such as B60L (Electric vehicle propulsion) remain comparatively sparse within the corpus.
The United States leads with 817 patent records, followed by China at 577 and the EPO at 491. The United Kingdom, WIPO PCT, Germany, and France are also significant coverage zones. Any freedom-to-operate or portfolio strategy should address at minimum the US, China, and EPO jurisdictions.
The most active collaboration is between Peugeot Citroën Automobiles and Toyota with 10 joint filings, followed by Peugeot Citroën and Auto Chassis International with 9. ZF Friedrichshafen co-filed twice with Leichtbau-Zentrum Sachsen (Lightweight Structures Centre Saxony), and Renault co-filed twice with Hutchinson on vibration-damping applications.
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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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