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Patent Theme

Hybrid Electric Propulsion Integration

Integration of electric machines, energy storage, and power transfer systems with gas turbine engines to enable hybrid operation, electric starting, or auxiliary power generation, improving efficiency or operational flexibility.

12,276 US filings from 1,992 companies since 2023 · 2023: 2,963 · 2024: 3,859 · 2025: 3,835 · 2026 YTD: 1,619

Steam / Gas TurbinesGas Turbine PlantsGearing & Transmissions

Top companies

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

#CompanySince 20232023202420252026 YTDYoY
1General Electric Company936177272343144+26.1%
2RTX Corporation48924172184109+7.0%
3Rolls-Royce PLC46610416614056-15.7%
4TOYOTA JIDOSHA KABUSHIKI KAISHA4041067914376+81.0%
5Pratt & Whitney Canada Corp.3701021149361-18.4%
6Hyundai Motor Company314120717647+7.0%
7Kia Corporation27584667847+18.2%
8RAYTHEON TECHNOLOGIES CORPORATION215132794·-94.9%
9Ford Global Technologies, LLC21477645122-20.3%
10HONDA MOTOR CO., LTD.20453696022-13.0%
11HAMILTON SUNDSTRAND CORPORATION17647555222-5.5%
12Volvo Truck Corporation14123594217-28.8%
13GM GLOBAL TECHNOLOGY OPERATIONS LLC13642384313+13.2%
14Rolls-Royce North American Technologies Inc.1301947577+21.3%
15MITSUBISHI HEAVY INDUSTRIES, LTD.12328404312+7.5%
16Cummins Inc.10830323016-6.2%
17Caterpillar Inc.10613195024+163.2%
18Schaeffler Technologies AG & Co. KG10125322519-21.9%
19SAFRAN AIRCRAFT ENGINES942625358+40.0%
20Kubota Corporation8913243913+62.5%
21GE Avio S.r.l.8311213318+57.1%
22Bayerische Motoren Werke Aktiengesellschaft801831247-22.6%
23Rolls-Royce Corporation791232287-12.5%
24FCA US LLC763134416+238.5%
25ZF Friedrichshafen AG762527168-40.7%