- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16J - Pistonscylinderspressure vessels in generalsealings
- F16J 15/16 - Sealings between relatively-moving surfaces
Patent holdings for IPC class F16J 15/16
Total number of patents in this class: 1422
10-year publication summary
|
122
|
138
|
122
|
79
|
71
|
77
|
64
|
51
|
31
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9802 |
64 |
| NOK Corporation | 2270 |
57 |
| Schaeffler Technologies AG & Co. KG | 10608 |
35 |
| Eagle Industry Co., Ltd. | 1164 |
30 |
| Trelleborg Sealing Solutions Germany GmbH | 188 |
29 |
| Aktiebolaget SKF | 3055 |
26 |
| Caterpillar Inc. | 10025 |
22 |
| Halliburton Energy Services, Inc. | 21153 |
17 |
| Robert Bosch GmbH | 43428 |
16 |
| Saint-Gobain Performance Plastics Corporation | 1039 |
15 |
| Kalsi Engineering, Inc. | 54 |
14 |
| NTN Corporation | 4945 |
12 |
| Fisher Controls International LLC | 1494 |
12 |
| General Electric Company | 13811 |
11 |
| Baker Hughes Incorporated | 5082 |
11 |
| Pratt & Whitney Canada Corp. | 5167 |
10 |
| Flowserve Management Company | 197 |
10 |
| SEW-EURODRIVE GmbH & Co. KG | 1996 |
10 |
| Siemens AG | 24314 |
8 |
| Mitsubishi Heavy Industries, Ltd. | 8999 |
8 |
| Other owners | 1005 |