- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01L - Cyclically operating valves for machines or engines
- F01L 1/20 - Adjusting or compensating clearance, i.e. lash adjustment
Patent holdings for IPC class F01L 1/20
Total number of patents in this class: 143
10-year publication summary
|
7
|
21
|
18
|
23
|
24
|
9
|
14
|
9
|
7
|
1
|
| 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 |
29 |
| Schaeffler Technologies AG & Co. KG | 8880 |
13 |
| Caterpillar Inc. | 8877 |
9 |
| Jacobs Vehicle Systems, Inc. | 212 |
8 |
| Honda Motor Co., Ltd. | 24537 |
6 |
| Eaton Corporation | 1839 |
6 |
| Schaeffler KG | 960 |
5 |
| Shanghai Universoon Autoparts Co., Ltd. | 19 |
5 |
| Hyundai Motor Company | 19021 |
4 |
| Cummins Inc. | 2369 |
4 |
| Ford Global Technologies, LLC | 19702 |
3 |
| NTN Corporation | 5008 |
3 |
| Cox Powertrain Ltd | 54 |
3 |
| MAN Truck & Bus AG | 180 |
3 |
| Volvo Truck Corporation | 2764 |
3 |
| Shanghai Universoon Autotech Co., Ltd. | 6 |
3 |
| Perkins Engines Company Limited | 279 |
2 |
| Hirata Corporation | 358 |
2 |
| Valeo Systemes de Controle Moteur | 614 |
2 |
| XI, Yong | 6 |
2 |
| Other owners | 28 |