- 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: 106
10-year publication summary
|
12
|
14
|
10
|
13
|
11
|
5
|
6
|
5
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mainspring Energy, Inc. | 106 |
12 |
| MAHLE International GmbH | 2705 |
10 |
| Federal-Mogul Corporation | 335 |
5 |
| KS Kolbenschmidt GmbH | 160 |
4 |
| Tenneco Inc | 283 |
4 |
| Graco Minnesota Inc. | 1163 |
3 |
| LG Electronics Inc. | 71039 |
2 |
| Hitachi Automotive Systems, Ltd. | 3962 |
2 |
| Kawasaki Heavy Industries, Limited | 1590 |
2 |
| Achates Power, Inc. | 208 |
2 |
| Cummins Inc. | 2474 |
2 |
| Federal-Mogul Nurnberg GmbH | 137 |
2 |
| GKN Sinter Metals Holding GmbH | 51 |
2 |
| HYDAC Technology GmbH | 227 |
2 |
| Man Energy Solutions SE | 272 |
2 |
| General Electric Company | 17789 |
1 |
| Schlumberger Technology Corporation | 10263 |
1 |
| Robert Bosch GmbH | 41786 |
1 |
| Ford Global Technologies, LLC | 20070 |
1 |
| Nissan Motor Co., Ltd. | 12352 |
1 |
| Other owners | 45 |