- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01L - Cyclically operating valves for machines or engines
- F01L 1/255 - Hydraulic tappets between cam and rocker arm
Patent holdings for IPC class F01L 1/255
Total number of patents in this class: 24
10-year publication summary
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2
|
1
|
1
|
3
|
0
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2
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0
|
1
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0
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jacobs Vehicle Systems, Inc. | 215 |
5 |
| Wartsila Finland Oy | 754 |
3 |
| Eaton Corporation | 1804 |
2 |
| Cummins Inc. | 2632 |
2 |
| Nittan Valve Co., Ltd. | 129 |
2 |
| Toyota Motor Corporation | 35772 |
1 |
| Deere & Company | 8097 |
1 |
| Hitachi Automotive Systems, Ltd. | 3954 |
1 |
| Caterpillar Inc. | 10267 |
1 |
| Mazda Motor Corporation | 3296 |
1 |
| Otics Corporation | 50 |
1 |
| Eaton Intelligent Power Limited | 6243 |
1 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12369 |
1 |
| Jiangsu Jointek Precision Machinery Co., Ltd | 8 |
1 |
| NITTAN Corporation | 56 |
1 |
| Other owners | 0 |