- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16J - Pistonscylinderspressure vessels in generalsealings
- F16J 1/00 - PistonsTrunk pistonsPlungers
Patent holdings for IPC class F16J 1/00
Total number of patents in this class: 336
10-year publication summary
| 33 | 33 | 36 | 34 | 25 | 22 | 14 | 14 | 11 | 11 | 
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 
Principal owners for this class
| Owner | All patents | This class | 
|---|---|---|
| MAHLE International GmbH | 2812 | 10 | 
| Aquarius Engines (A.M.) Ltd. | 37 | 10 | 
| Schaeffler Technologies AG & Co. KG | 10067 | 9 | 
| Caterpillar Inc. | 9673 | 8 | 
| Continental Teves AG & Co. oHG | 1547 | 8 | 
| Mazda Motor Corporation | 3184 | 7 | 
| Mainspring Energy, Inc. | 114 | 7 | 
| Robert Bosch GmbH | 42887 | 5 | 
| Fisher Controls International LLC | 1506 | 5 | 
| Erdrich Umformtechnik GmbH | 10 | 5 | 
| Amgen Inc. | 4129 | 4 | 
| KS Kolbenschmidt GmbH | 150 | 4 | 
| SMC Corporation | 1367 | 4 | 
| AI Alpine US Bidco Inc. | 103 | 4 | 
| Cooper Machinery Services LLC | 56 | 4 | 
| GM Global Technology Operations LLC | 15239 | 3 | 
| Shimano Inc. | 3254 | 3 | 
| Cummins Inc. | 2615 | 3 | 
| Federal-Mogul Nurnberg GmbH | 133 | 3 | 
| Industries Mailhot Inc. | 22 | 3 | 
| Other owners | 227 | 
