- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01L - Cyclically operating valves for machines or engines
- F01L 1/22 - Adjusting or compensating clearance, i.e. lash adjustment automatically
Patent holdings for IPC class F01L 1/22
Total number of patents in this class: 91
10-year publication summary
|
5
|
10
|
18
|
9
|
12
|
11
|
6
|
8
|
5
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 5008 |
21 |
| Eaton Intelligent Power Limited | 6113 |
16 |
| Schaeffler Technologies AG & Co. KG | 8880 |
6 |
| Nittan Valve Co., Ltd. | 138 |
6 |
| Honda Motor Co., Ltd. | 24537 |
3 |
| Eaton Corporation | 1839 |
3 |
| Jacobs Vehicle Systems, Inc. | 212 |
3 |
| Caterpillar Inc. | 8877 |
2 |
| Mazda Motor Corporation | 3087 |
2 |
| Great Wall Motor Company Limited | 690 |
2 |
| MAHLE International GmbH | 2670 |
2 |
| PacBrake Company | 20 |
2 |
| Daimler Truck AG | 544 |
2 |
| Ford Global Technologies, LLC | 19702 |
1 |
| Hyundai Motor Company | 19021 |
1 |
| Daimler AG | 3462 |
1 |
| FCA US LLC | 2755 |
1 |
| BAE Systems Controls Inc. | 155 |
1 |
| BorgWarner Inc. | 2604 |
1 |
| Competition Cams, Inc. | 26 |
1 |
| Other owners | 14 |