- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01L - Cyclically operating valves for machines or engines
- F01L 13/00 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
Patent holdings for IPC class F01L 13/00
Total number of patents in this class: 1978
10-year publication summary
|
186
|
243
|
220
|
202
|
168
|
120
|
94
|
79
|
74
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 6300 |
288 |
| Schaeffler Technologies AG & Co. KG | 9395 |
130 |
| Hyundai Motor Company | 20483 |
121 |
| Daimler AG | 3418 |
86 |
| ThyssenKrupp Presta Teccenter AG | 241 |
67 |
| Ford Global Technologies, LLC | 20070 |
66 |
| Jacobs Vehicle Systems, Inc. | 217 |
65 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13086 |
51 |
| Kia Motors Corporation | 7777 |
44 |
| BorgWarner Inc. | 2607 |
42 |
| Cummins Inc. | 2474 |
40 |
| Schaeffler KG | 817 |
40 |
| Eaton Corporation | 1831 |
35 |
| GM Global Technology Operations LLC | 14260 |
35 |
| ETO Magnetic GmbH | 268 |
34 |
| ThyssenKrupp AG | 3207 |
31 |
| Mazda Motor Corporation | 3071 |
29 |
| Toyota Motor Corporation | 30455 |
28 |
| Honda Motor Co., Ltd. | 24866 |
27 |
| Yamaha Hatsudoki Kabushiki Kaisha | 2076 |
25 |
| Other owners | 694 |