- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 1963
10-year publication summary
|
169
|
186
|
243
|
220
|
202
|
168
|
120
|
91
|
76
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 6113 |
269 |
| Schaeffler Technologies AG & Co. KG | 8880 |
128 |
| Hyundai Motor Company | 19021 |
123 |
| Daimler AG | 3462 |
86 |
| Ford Global Technologies, LLC | 19702 |
69 |
| ThyssenKrupp Presta Teccenter AG | 241 |
67 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
56 |
| Jacobs Vehicle Systems, Inc. | 212 |
55 |
| Schaeffler KG | 960 |
48 |
| Kia Motors Corporation | 7946 |
45 |
| BorgWarner Inc. | 2604 |
42 |
| Eaton Corporation | 1839 |
36 |
| GM Global Technology Operations LLC | 13620 |
34 |
| Cummins Inc. | 2369 |
33 |
| ETO Magnetic GmbH | 247 |
33 |
| Honda Motor Co., Ltd. | 24537 |
32 |
| Toyota Motor Corporation | 28582 |
31 |
| Mazda Motor Corporation | 3087 |
30 |
| Yamaha Hatsudoki Kabushiki Kaisha | 1998 |
30 |
| ThyssenKrupp AG | 3086 |
28 |
| Other owners | 688 |