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Vehicle Heat Pump Systems

Utilization of heat pump cycles, often with natural refrigerants, for efficient heating and cooling of the vehicle cabin and/or thermal conditioning of high-voltage components like battery modules.

6,708 US filings from 1,197 companies since 2023 · 2023: 1,573 · 2024: 2,147 · 2025: 2,025 · 2026 YTD: 963

Vehicle Heating / Cooling

Top companies

Ranked by filings in this theme since 2023. 2026 is partial.

#CompanySince 20232023202420252026 YTDYoY
1Hyundai Motor Company567140129197101+52.7%
2Kia Corporation538115124198101+59.7%
3Hanon Systems3307010110752+5.9%
4TOYOTA JIDOSHA KABUSHIKI KAISHA26647908841-2.2%
5CARRIER CORPORATION23877765926-22.4%
6Ford Global Technologies, LLC21667794822-39.2%
7DAIKIN INDUSTRIES, LTD.14936514913-3.9%
8Valeo Systemes Thermiques14930535115-3.8%
9Mitsubishi Electric Corporation1393762319-50.0%
10MAHLE International GmbH12826374223+13.5%
11DENSO CORPORATION11727413811-7.3%
12GM GLOBAL TECHNOLOGY OPERATIONS LLC11226284018+42.9%
13HONDA MOTOR CO., LTD.8627262013-23.1%
14TRANE INTERNATIONAL INC.772424209-16.7%
15AUDI AG74162222140.0%
16LG ELECTRONICS INC.702424202-16.7%
17BYD COMPANY LIMITED68416408+150.0%
18Rheem Manufacturing Company651919216+10.5%
19Volvo Truck Corporation6415142510+78.6%
20FCA US LLC62382922+262.5%
21Tyco Fire & Security GmbH611192714+42.1%
22Bayerische Motoren Werke Aktiengesellschaft601722147-36.4%
23Robert Bosch GmbH5912141914+35.7%
24HAMILTON SUNDSTRAND CORPORATION58630166-46.7%
25Rivian IP Holdings, LLC551419166-15.8%