- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16J - Pistonscylinderspressure vessels in generalsealings
- F16J 15/3288 - Filamentary structures, e.g. brush seals
Patent holdings for IPC class F16J 15/3288
Total number of patents in this class: 140
10-year publication summary
|
22
|
17
|
23
|
13
|
20
|
7
|
9
|
5
|
2
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9519 |
29 |
| MTU Aero Engines AG | 695 |
10 |
| Eagle Industry Co., Ltd. | 1142 |
8 |
| Rolls-Royce North American Technologies, Inc. | 1173 |
7 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
6 |
| Pratt & Whitney Canada Corp. | 4858 |
4 |
| Rolls-Royce PLC | 3139 |
4 |
| Rolls-Royce Corporation | 1759 |
4 |
| Sanwa Techno Co., Ltd. | 35 |
4 |
| Mitsubishi Power, Ltd. | 1805 |
4 |
| Siemens AG | 24366 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8846 |
3 |
| Safran Aircraft Engines | 6344 |
3 |
| GE Infrastructure Technology, LLC | 6198 |
3 |
| General Electric Company | 13862 |
2 |
| FUJIFILM Corporation | 29728 |
2 |
| Siemens Energy, Inc. | 1705 |
2 |
| Textron Innovations Inc. | 2350 |
2 |
| AMEC Foster Wheeler USA Corporation | 22 |
2 |
| Danfoss A/S | 1354 |
2 |
| Other owners | 36 |