- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- F16J 1/00 - Pistons; Trunk pistons; Plungers
Patent holdings for IPC class F16J 1/00
Total number of patents in this class: 329
10-year publication summary
|
29
|
36
|
35
|
39
|
36
|
27
|
21
|
14
|
14
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MAHLE International GmbH | 2670 |
11 |
| Continental Teves AG & Co. oHG | 2354 |
10 |
| Aquarius Engines (A.M.) Ltd. | 35 |
10 |
| Caterpillar Inc. | 8877 |
8 |
| Schaeffler Technologies AG & Co. KG | 8880 |
8 |
| Mazda Motor Corporation | 3087 |
7 |
| Mainspring Energy, Inc. | 98 |
7 |
| Robert Bosch GmbH | 40953 |
6 |
| Fisher Controls International LLC | 1520 |
5 |
| Erdrich Umformtechnik GmbH | 10 |
5 |
| Amgen Inc. | 3779 |
4 |
| KS Kolbenschmidt GmbH | 164 |
4 |
| SMC Corporation | 1354 |
4 |
| AI Alpine US Bidco Inc. | 107 |
4 |
| Cooper Machinery Services LLC | 62 |
4 |
| GM Global Technology Operations LLC | 13620 |
3 |
| Shimano Inc. | 3099 |
3 |
| Cummins Inc. | 2369 |
3 |
| Federal-Mogul Nurnberg GmbH | 137 |
3 |
| Industries Mailhot Inc. | 22 |
3 |
| Other owners | 217 |