- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16J - Pistonscylinderspressure vessels in generalsealings
- F16J 1/09 - PistonsTrunk pistonsPlungers with means for guiding fluids
Patent holdings for IPC class F16J 1/09
Total number of patents in this class: 109
10-year publication summary
|
14
|
10
|
13
|
11
|
5
|
6
|
5
|
2
|
6
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mainspring Energy, Inc. | 118 |
13 |
| MAHLE International GmbH | 2896 |
10 |
| Federal-Mogul Corporation | 255 |
5 |
| Cummins Inc. | 2612 |
4 |
| Federal-Mogul Powertrain LLC | 273 |
4 |
| Graco Minnesota Inc. | 1260 |
3 |
| KS Kolbenschmidt GmbH | 136 |
3 |
| LG Electronics Inc. | 75330 |
2 |
| Hitachi Automotive Systems, Ltd. | 3954 |
2 |
| Caterpillar Inc. | 10219 |
2 |
| Kawasaki Heavy Industries, Limited | 1648 |
2 |
| Federal-Mogul Burscheid GmbH | 279 |
2 |
| Federal-Mogul Nurnberg GmbH | 131 |
2 |
| GKN Sinter Metals Holding GmbH | 38 |
2 |
| HYDAC Technology GmbH | 247 |
2 |
| General Electric Company | 13823 |
1 |
| Schlumberger Technology Corporation | 11592 |
1 |
| Robert Bosch GmbH | 43838 |
1 |
| Ford Global Technologies, LLC | 21354 |
1 |
| Nissan Motor Co., Ltd. | 12866 |
1 |
| Other owners | 46 |