- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01L - Cyclically operating valves for machines or engines
- F01L 3/24 - Safety means or accessories, not provided for in preceding subgroups of this group
Patent holdings for IPC class F01L 3/24
Total number of patents in this class: 77
10-year publication summary
|
13
|
6
|
6
|
4
|
4
|
6
|
4
|
2
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8900 |
10 |
| Hirata Corporation | 358 |
9 |
| Nittan Valve Co., Ltd. | 130 |
9 |
| Fuji Oozx Inc. | 23 |
7 |
| Yoshimura Company | 10 |
6 |
| Eaton Intelligent Power Limited | 6056 |
5 |
| Eaton Corporation | 1812 |
2 |
| Caterpillar Inc. | 9852 |
2 |
| Hyundai Motor Company | 22842 |
2 |
| Kia Motors Corporation | 7743 |
2 |
| Fuji Hollow Valve Inc. | 2 |
2 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12657 |
2 |
| NITTAN Corporation | 55 |
2 |
| Toyota Motor Corporation | 33519 |
1 |
| Hitachi Automotive Systems, Ltd. | 3955 |
1 |
| GM Global Technology Operations LLC | 15401 |
1 |
| Ford Global Technologies, LLC | 20949 |
1 |
| Sanyo Machine Works, Ltd. | 25 |
1 |
| Mazda Motor Corporation | 3206 |
1 |
| Aktiebolaget SKF | 3023 |
1 |
| Other owners | 10 |