- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- F16J 1/09 - Pistons; Trunk pistons; Plungers with means for guiding fluids
Patent holdings for IPC class F16J 1/09
Total number of patents in this class: 107
10-year publication summary
|
16
|
12
|
14
|
10
|
13
|
11
|
5
|
6
|
5
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mainspring Energy, Inc. | 98 |
12 |
| MAHLE International GmbH | 2670 |
11 |
| Federal-Mogul Corporation | 362 |
5 |
| KS Kolbenschmidt GmbH | 164 |
4 |
| Tenneco Inc | 274 |
4 |
| Graco Minnesota Inc. | 1124 |
3 |
| LG Electronics Inc. | 69257 |
2 |
| Hitachi Automotive Systems, Ltd. | 3970 |
2 |
| Kawasaki Heavy Industries, Limited | 1524 |
2 |
| Achates Power, Inc. | 206 |
2 |
| Dong Yang Piston Co., Ltd. | 27 |
2 |
| Federal-Mogul Nurnberg GmbH | 137 |
2 |
| GKN Sinter Metals Holding GmbH | 52 |
2 |
| HYDAC Technology GmbH | 221 |
2 |
| Man Energy Solutions SE | 274 |
2 |
| Wilmington Trust, National Association, AS Co-collateral Trustee, Successor Collateral Trustee | 345 |
2 |
| General Electric Company | 18133 |
1 |
| Schlumberger Technology Corporation | 9690 |
1 |
| Robert Bosch GmbH | 40953 |
1 |
| Ford Global Technologies, LLC | 19702 |
1 |
| Other owners | 44 |