- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- F16J 15/48 - Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings influenced by the pressure within the member to be sealed
Patent holdings for IPC class F16J 15/48
Total number of patents in this class: 99
10-year publication summary
|
5
|
9
|
10
|
11
|
13
|
11
|
4
|
6
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NOK Corporation | 2108 |
7 |
| Technofast Industries Pty Ltd | 18 |
3 |
| General Electric Company | 18133 |
2 |
| Halliburton Energy Services, Inc. | 20165 |
2 |
| Cameron International Corporation | 1305 |
2 |
| Clyde Union Inc. | 13 |
2 |
| ElringKlinger AG | 487 |
2 |
| Fisher Controls International LLC | 1520 |
2 |
| Kalsi Engineering, Inc. | 50 |
2 |
| KYB Corporation | 1278 |
2 |
| National Research Council of Canada | 1545 |
2 |
| Trelleborg Sealing Solutions Germany GmbH | 183 |
2 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 230 |
2 |
| Valqua, Ltd. | 252 |
2 |
| Krausz Industries Ltd. | 53 |
2 |
| Hengshui Weida Rubber & Plastic Co., Ltd. | 2 |
2 |
| Schlumberger Technology Corporation | 9690 |
1 |
| Baker Hughes Incorporated | 5689 |
1 |
| Illinois Tool Works Inc. | 11152 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Other owners | 57 |