- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- 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
|
20
|
17
|
20
|
20
|
29
|
24
|
11
|
13
|
12
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NOK Corporation | 2108 |
5 |
| ABB Oy | 178 |
4 |
| Caterpillar Propulsion Production AB | 15 |
4 |
| Rosen Swiss AG | 128 |
4 |
| General Electric Company | 18133 |
3 |
| Siemens AG | 24990 |
3 |
| Kabushiki Kaisha Riken | 265 |
3 |
| Outotec (Finland) Oy | 491 |
3 |
| Southwest Research Institute | 791 |
3 |
| TDW Delaware, Inc. | 163 |
3 |
| Technofast Industries Pty Ltd | 18 |
3 |
| Tokamak Energy Ltd | 169 |
3 |
| Metso Outotec Finland Oy | 795 |
3 |
| Rtx Corporation | 8674 |
3 |
| Schlumberger Technology Corporation | 9690 |
2 |
| Schlumberger Canada Limited | 6913 |
2 |
| Schaeffler Technologies AG & Co. KG | 8880 |
2 |
| A-lok Products, Incorporated | 8 |
2 |
| Emigal Electronic Test Solutions Ltd. | 2 |
2 |
| Fisher Controls International LLC | 1520 |
2 |
| Other owners | 173 |