- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16J - Pistonscylinderspressure vessels in generalsealings
- F16J 15/54 - Other sealings for rotating shafts
Patent holdings for IPC class F16J 15/54
Total number of patents in this class: 190
10-year publication summary
|
8
|
16
|
12
|
13
|
16
|
3
|
13
|
12
|
13
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 9231 |
8 |
| Pratt & Whitney Canada Corp. | 5584 |
8 |
| Halliburton Energy Services, Inc. | 21299 |
6 |
| A.W. Chesterton Company | 94 |
6 |
| Kalsi Engineering, Inc. | 51 |
5 |
| BorgWarner Inc. | 2583 |
4 |
| Eagle Industry Co., Ltd. | 1186 |
4 |
| Rtx Corporation | 10199 |
4 |
| Schaeffler Technologies AG & Co. KG | 11213 |
3 |
| John Crane Inc. | 107 |
3 |
| Saint-Gobain Performance Plastics Corporation | 1050 |
3 |
| SEW-EURODRIVE GmbH & Co. KG | 2048 |
3 |
| Vulco, S.A. | 43 |
3 |
| Weir Minerals Australia, Ltd. | 311 |
3 |
| Inpro/Seal LLC | 105 |
3 |
| General Electric Company | 13999 |
2 |
| Amsted Rail Company, Inc. | 412 |
2 |
| Ankol EOOD | 4 |
2 |
| Cross Manufacturing Company (1938) Limited | 31 |
2 |
| Deublin Company | 38 |
2 |
| Other owners | 114 |