- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01L - Cyclically operating valves for machines or engines
- F01L 1/047 - Camshafts
Patent holdings for IPC class F01L 1/047
Total number of patents in this class: 1207
10-year publication summary
|
98
|
141
|
238
|
173
|
125
|
99
|
89
|
61
|
22
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ThyssenKrupp Presta Teccenter AG | 241 |
140 |
| Schaeffler Technologies AG & Co. KG | 8880 |
104 |
| Hyundai Motor Company | 19021 |
80 |
| MAHLE International GmbH | 2670 |
66 |
| ThyssenKrupp AG | 3086 |
54 |
| Daimler AG | 3462 |
38 |
| BorgWarner Inc. | 2604 |
36 |
| Ford Global Technologies, LLC | 19702 |
34 |
| Kia Motors Corporation | 7946 |
32 |
| Honda Motor Co., Ltd. | 24537 |
28 |
| Toyota Motor Corporation | 28582 |
26 |
| GM Global Technology Operations LLC | 13620 |
23 |
| Cummins Inc. | 2369 |
22 |
| Eaton Intelligent Power Limited | 6113 |
22 |
| Aisin Seiki Kabushiki Kaisha | 2427 |
21 |
| Volkswagen AG | 6966 |
16 |
| Caterpillar Inc. | 8877 |
12 |
| Mechadyne International Limited | 46 |
12 |
| Neumayer Tekfor Holding GmbH | 76 |
12 |
| Denso Corporation | 23338 |
11 |
| Other owners | 418 |