- 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: 1432
10-year publication summary
|
136
|
144
|
134
|
83
|
80
|
81
|
74
|
54
|
40
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10110 |
65 |
| NOK Corporation | 2305 |
57 |
| Schaeffler Technologies AG & Co. KG | 11044 |
36 |
| Eagle Industry Co., Ltd. | 1176 |
32 |
| Trelleborg Sealing Solutions Germany GmbH | 187 |
28 |
| Aktiebolaget SKF | 3134 |
27 |
| Caterpillar Inc. | 10285 |
22 |
| Halliburton Energy Services, Inc. | 21305 |
18 |
| Robert Bosch GmbH | 44209 |
16 |
| Saint-Gobain Performance Plastics Corporation | 1051 |
15 |
| Kalsi Engineering, Inc. | 52 |
13 |
| Safran Aircraft Engines | 6716 |
13 |
| NTN Corporation | 4918 |
12 |
| Fisher Controls International LLC | 1453 |
12 |
| General Electric Company | 13908 |
11 |
| Baker Hughes Incorporated | 4922 |
11 |
| Pratt & Whitney Canada Corp. | 5511 |
10 |
| Flowserve Management Company | 194 |
10 |
| SEW-EURODRIVE GmbH & Co. KG | 2036 |
10 |
| Siemens AG | 24011 |
8 |
| Other owners | 1006 |