- 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: 180
10-year publication summary
|
13
|
8
|
16
|
12
|
13
|
16
|
3
|
12
|
8
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8664 |
8 |
| Pratt & Whitney Canada Corp. | 4663 |
8 |
| Halliburton Energy Services, Inc. | 20788 |
6 |
| A.W. Chesterton Company | 89 |
6 |
| Eagle Industry Co., Ltd. | 1123 |
5 |
| BorgWarner Inc. | 2608 |
4 |
| Kalsi Engineering, Inc. | 53 |
4 |
| Schaeffler Technologies AG & Co. KG | 9802 |
3 |
| Ankol EOOD | 5 |
3 |
| Saint-Gobain Performance Plastics Corporation | 1038 |
3 |
| SEW-EURODRIVE GmbH & Co. KG | 1942 |
3 |
| Vulco, S.A. | 51 |
3 |
| Weir Minerals Australia, Ltd. | 307 |
3 |
| Inpro/Seal LLC | 84 |
3 |
| Rtx Corporation | 9319 |
3 |
| NTN Corporation | 4980 |
2 |
| Amsted Rail Company, Inc. | 432 |
2 |
| Cross Manufacturing Company (1938) Limited | 29 |
2 |
| Deublin Company | 45 |
2 |
| FANUC Corporation | 6624 |
2 |
| Other owners | 105 |