- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16J - Pistonscylinderspressure vessels in generalsealings
- F16J 1/01 - PistonsTrunk pistonsPlungers characterised by the use of particular materials
Patent holdings for IPC class F16J 1/01
Total number of patents in this class: 135
10-year publication summary
|
12
|
17
|
18
|
10
|
7
|
8
|
2
|
4
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Automotive Systems, Ltd. | 3958 |
16 |
| Federal-Mogul Nurnberg GmbH | 134 |
9 |
| Honda Motor Co., Ltd. | 25251 |
7 |
| Isuzu Motors Limited | 2250 |
6 |
| Mazda Motor Corporation | 3135 |
5 |
| Robert Bosch GmbH | 42689 |
4 |
| MAHLE International GmbH | 2770 |
4 |
| Caterpillar Inc. | 9548 |
3 |
| Art Metal Mfg. Co., Ltd. | 29 |
3 |
| Cooper Machinery Services LLC | 58 |
3 |
| Hyundai Motor Company | 21987 |
2 |
| NGK Insulators, Ltd. | 4955 |
2 |
| Aisin Seiki Kabushiki Kaisha | 2234 |
2 |
| Showa Denko K.K. | 2230 |
2 |
| Akros Co., Ltd. | 16 |
2 |
| CareFusion 303, Inc. | 2202 |
2 |
| CKD Corporation | 453 |
2 |
| Fuji Kihan Co., Ltd. | 25 |
2 |
| GE Oil & Gas Compression Systems, LLC | 16 |
2 |
| Messier-Bugatti-Dowty | 227 |
2 |
| Other owners | 55 |