- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- F16J 1/01 - Pistons; Trunk pistons; Plungers characterised by the use of particular materials
Patent holdings for IPC class F16J 1/01
Total number of patents in this class: 138
10-year publication summary
|
14
|
12
|
17
|
18
|
10
|
7
|
8
|
2
|
3
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Automotive Systems, Ltd. | 3970 |
16 |
| Federal-Mogul Nurnberg GmbH | 137 |
9 |
| Honda Motor Co., Ltd. | 24537 |
7 |
| Isuzu Motors Limited | 2158 |
6 |
| Robert Bosch GmbH | 40953 |
5 |
| Mazda Motor Corporation | 3087 |
5 |
| MAHLE International GmbH | 2670 |
4 |
| Caterpillar Inc. | 8877 |
3 |
| Art Metal Mfg. Co., Ltd. | 30 |
3 |
| Cooper Machinery Services LLC | 62 |
3 |
| General Electric Company | 18133 |
2 |
| Hyundai Motor Company | 19021 |
2 |
| NGK Insulators, Ltd. | 4589 |
2 |
| Aisin Seiki Kabushiki Kaisha | 2427 |
2 |
| Showa Denko K.K. | 2539 |
2 |
| Akros Co., Ltd. | 16 |
2 |
| CareFusion 303, Inc. | 1975 |
2 |
| CKD Corporation | 424 |
2 |
| Dow Corning Toray Co., Ltd. | 562 |
2 |
| Fuji Kihan Co., Ltd. | 25 |
2 |
| Other owners | 57 |