- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16J - Pistonscylinderspressure vessels in generalsealings
- F16J 15/00 - Sealings
Patent holdings for IPC class F16J 15/00
Total number of patents in this class: 1037
10-year publication summary
|
96
|
86
|
87
|
74
|
54
|
60
|
44
|
42
|
45
|
33
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NOK Corporation | 2345 |
52 |
| Rtx Corporation | 10199 |
15 |
| Eagle Industry Co., Ltd. | 1186 |
14 |
| Siemens AG | 23913 |
13 |
| Aktiebolaget SKF | 3156 |
13 |
| Valqua, Ltd. | 305 |
13 |
| Baker Hughes Incorporated | 4870 |
12 |
| Caterpillar Inc. | 10331 |
12 |
| Robert Bosch GmbH | 44363 |
11 |
| Carl Freudenberg KG | 1497 |
11 |
| John Crane Inc. | 107 |
10 |
| EagleBurgmann Germany GmbH & Co. KG | 358 |
9 |
| Flowserve Management Company | 195 |
9 |
| Burckhardt Compression AG | 126 |
8 |
| Kalsi Engineering, Inc. | 51 |
8 |
| The Boeing Company | 20212 |
7 |
| Schaeffler Technologies AG & Co. KG | 11213 |
7 |
| NTN Corporation | 4935 |
7 |
| A.W. Chesterton Company | 94 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 9231 |
6 |
| Other owners | 793 |