Patent Theme
Mechanical Power Transmission Joints
Assemblies and components designed for reliable and efficient transfer of rotational or axial forces between mechanical parts, accommodating misalignment or specific motion profiles.
5,687 US filings from 1,482 companies since 2023 · 2023: 1,630 · 2024: 1,856 · 2025: 1,621 · 2026 YTD: 580
Couplings & Brakes (Mechanical)
Top companies
Ranked by filings in this theme since 2023. 2026 is partial.
| # | Company | Since 2023 | 2023 | 2024 | 2025 | 2026 YTD | YoY |
|---|---|---|---|---|---|---|---|
| 1 | Schaeffler Technologies AG & Co. KG | 250 | 80 | 76 | 71 | 23 | -6.6% |
| 2 | ZF Friedrichshafen AG | 126 | 40 | 39 | 34 | 13 | -12.8% |
| 3 | AKTIEBOLAGET SKF | 67 | 23 | 17 | 19 | 8 | +11.8% |
| 4 | TSUBAKIMOTO CHAIN CO. | 65 | 13 | 23 | 21 | 8 | -8.7% |
| 5 | TOYOTA JIDOSHA KABUSHIKI KAISHA | 62 | 24 | 21 | 9 | 8 | -57.1% |
| 6 | Deere & Company | 60 | 16 | 14 | 24 | 6 | +71.4% |
| 7 | KABUSHIKI KAISHA F.C.C. | 57 | 17 | 21 | 14 | 5 | -33.3% |
| 8 | JATCO Ltd | 51 | 11 | 13 | 19 | 8 | +46.2% |
| 9 | NTN Corporation | 51 | 9 | 27 | 12 | 3 | -55.6% |
| 10 | Steering Solutions IP Holding Corporation | 51 | 16 | 20 | 13 | 2 | -35.0% |
| 11 | ArvinMeritor Technology, LLC | 48 | 18 | 18 | 11 | 1 | -38.9% |
| 12 | GE Avio S.r.l. | 48 | 8 | 9 | 25 | 6 | +177.8% |
| 13 | HAMILTON SUNDSTRAND CORPORATION | 47 | 12 | 18 | 15 | 2 | -16.7% |
| 14 | Hyundai Motor Company | 46 | 15 | 16 | 12 | 3 | -25.0% |
| 15 | NSK Ltd. | 46 | 18 | 16 | 9 | 3 | -43.8% |
| 16 | General Electric Company | 43 | 7 | 8 | 23 | 5 | +187.5% |
| 17 | GOODRICH CORPORATION | 41 | 12 | 20 | 4 | 5 | -80.0% |
| 18 | Kia Corporation | 41 | 9 | 16 | 12 | 4 | -25.0% |
| 19 | Nissan Motor Co., Ltd. | 41 | 6 | 12 | 17 | 6 | +41.7% |
| 20 | Volvo Truck Corporation | 41 | 8 | 13 | 12 | 8 | -7.7% |
| 21 | HONDA MOTOR CO., LTD. | 40 | 7 | 15 | 16 | 2 | +6.7% |
| 22 | DANA ITALIA S.R.L. | 39 | 4 | 19 | 11 | 5 | -42.1% |
| 23 | GM GLOBAL TECHNOLOGY OPERATIONS LLC | 38 | 11 | 12 | 13 | 2 | +8.3% |
| 24 | VALEO EMBRAYAGES | 37 | 4 | 8 | 15 | 10 | +87.5% |
| 25 | AISIN CORPORATION | 36 | 11 | 11 | 10 | 4 | -9.1% |