- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16J - Pistonscylinderspressure vessels in generalsealings
- F16J 15/36 - Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member connected by a diaphragm to the other member
Patent holdings for IPC class F16J 15/36
Total number of patents in this class: 153
10-year publication summary
|
17
|
13
|
18
|
10
|
15
|
11
|
6
|
14
|
2
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eagle Industry Co., Ltd. | 1127 |
29 |
| John Crane Inc. | 99 |
19 |
| EagleBurgmann Germany GmbH & Co. KG | 338 |
11 |
| AES Engineering Ltd. | 84 |
7 |
| A.W. Chesterton Company | 89 |
7 |
| EagleBurgmann Japan Co., Ltd. | 53 |
6 |
| Carl Freudenberg KG | 1368 |
5 |
| Rtx Corporation | 9385 |
4 |
| Halliburton Energy Services, Inc. | 20901 |
3 |
| NOK Corporation | 2221 |
3 |
| Eaton Intelligent Power Limited | 5989 |
3 |
| General Electric Company | 13793 |
2 |
| Shimadzu Corporation | 6172 |
2 |
| Aktiebolaget SKF | 2948 |
2 |
| GE Oil & Gas ESP, Inc. | 82 |
2 |
| KACO GmbH + Co. KG | 51 |
2 |
| Magnetic Seal Corp. | 2 |
2 |
| Meccanotecnica Umbra S.p.A. | 27 |
2 |
| Rolls-Royce Corporation | 1736 |
2 |
| Baker Hughes ESP, Inc. | 68 |
2 |
| Other owners | 38 |