- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- 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: 147
10-year publication summary
|
14
|
17
|
13
|
18
|
10
|
15
|
10
|
6
|
12
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eagle Industry Co., Ltd. | 1062 |
29 |
| John Crane Inc. | 93 |
18 |
| EagleBurgmann Germany GmbH & Co. KG | 314 |
10 |
| AES Engineering Ltd. | 95 |
7 |
| A.W. Chesterton Company | 80 |
6 |
| EagleBurgmann Japan Co., Ltd. | 52 |
6 |
| Carl Freudenberg KG | 1346 |
5 |
| Eaton Intelligent Power Limited | 6113 |
4 |
| Rtx Corporation | 8674 |
4 |
| Halliburton Energy Services, Inc. | 20165 |
3 |
| NOK Corporation | 2108 |
3 |
| General Electric Company | 18133 |
2 |
| Shimadzu Corporation | 5791 |
2 |
| Aktiebolaget SKF | 2700 |
2 |
| GE Oil & Gas ESP, Inc. | 86 |
2 |
| KACO GmbH + Co. KG | 48 |
2 |
| Magnetic Seal Corp. | 2 |
2 |
| Meccanotecnica Umbra S.p.A. | 24 |
2 |
| Rolls-Royce Corporation | 1686 |
2 |
| Baker Hughes ESP, Inc. | 72 |
2 |
| Other owners | 34 |