- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 244
10-year publication summary
|
30
|
31
|
36
|
30
|
16
|
15
|
13
|
4
|
7
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 24537 |
17 |
| ThyssenKrupp Presta Teccenter AG | 241 |
13 |
| Eaton Intelligent Power Limited | 6113 |
12 |
| BorgWarner Inc. | 2604 |
10 |
| Cummins Inc. | 2369 |
8 |
| MAHLE International GmbH | 2670 |
8 |
| Hyundai Motor Company | 19021 |
7 |
| Schaeffler Technologies AG & Co. KG | 8880 |
7 |
| JTEKT Corporation | 2423 |
7 |
| Isuzu Motors Limited | 2158 |
6 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
6 |
| GM Global Technology Operations LLC | 13620 |
5 |
| Caterpillar Inc. | 8877 |
5 |
| Audi AG | 7153 |
5 |
| Hitachi Automotive Systems, Ltd. | 3970 |
4 |
| Ford Global Technologies, LLC | 19702 |
4 |
| NTN Corporation | 5008 |
4 |
| Mitsubishi Jidosha Kogyo Kabushiki Kaisha | 1221 |
4 |
| Otics Corporation | 57 |
4 |
| Xr Reserve LLC | 31 |
4 |
| Other owners | 104 |