- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01L - Cyclically operating valves for machines or engines
- F01L 1/04 - Valve drive by means of cams, camshafts, cam discs, eccentrics, or the like
Patent holdings for IPC class F01L 1/04
Total number of patents in this class: 225
10-year publication summary
|
31
|
35
|
29
|
16
|
15
|
13
|
4
|
6
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 25327 |
15 |
| ThyssenKrupp Presta Teccenter AG | 234 |
13 |
| Eaton Intelligent Power Limited | 5992 |
12 |
| BorgWarner Inc. | 2599 |
9 |
| Cummins Inc. | 2593 |
9 |
| Hyundai Motor Company | 22086 |
6 |
| Schaeffler Technologies AG & Co. KG | 9908 |
6 |
| Isuzu Motors Limited | 2259 |
6 |
| MAHLE International GmbH | 2778 |
6 |
| GM Global Technology Operations LLC | 15095 |
5 |
| Caterpillar Inc. | 9579 |
5 |
| Audi AG | 7366 |
5 |
| Xr Reserve LLC | 35 |
5 |
| Hitachi Automotive Systems, Ltd. | 3957 |
4 |
| Ford Global Technologies, LLC | 20646 |
4 |
| NTN Corporation | 4973 |
4 |
| JTEKT Corporation | 2508 |
4 |
| Mitsubishi Jidosha Kogyo Kabushiki Kaisha | 1394 |
4 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12787 |
4 |
| Nissan Motor Co., Ltd. | 12516 |
3 |
| Other owners | 96 |