- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16J - Pistonscylinderspressure vessels in generalsealings
- F16J 15/46 - Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
Patent holdings for IPC class F16J 15/46
Total number of patents in this class: 232
10-year publication summary
|
17
|
20
|
20
|
28
|
24
|
12
|
13
|
10
|
8
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NOK Corporation | 2221 |
5 |
| ABB Oy | 158 |
4 |
| Caterpillar Propulsion Production AB | 15 |
4 |
| Tokamak Energy Ltd | 190 |
4 |
| Rtx Corporation | 9385 |
4 |
| General Electric Company | 13793 |
3 |
| Siemens AG | 24477 |
3 |
| Kabushiki Kaisha Riken | 287 |
3 |
| Outotec (Finland) Oy | 480 |
3 |
| Southwest Research Institute | 752 |
3 |
| TDW Delaware, Inc. | 168 |
3 |
| Technofast Industries Pty Ltd | 17 |
3 |
| Metso Finland Oy | 463 |
3 |
| Schlumberger Technology Corporation | 10727 |
2 |
| Schlumberger Canada Limited | 7296 |
2 |
| Halliburton Energy Services, Inc. | 20901 |
2 |
| Schaeffler Technologies AG & Co. KG | 9882 |
2 |
| Andritz Oy | 282 |
2 |
| Emigal Electronic Test Solutions Ltd. | 2 |
2 |
| Fisher Controls International LLC | 1476 |
2 |
| Other owners | 173 |