- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16J - Pistonscylinderspressure vessels in generalsealings
- F16J 15/22 - Packing materials therefor shaped as strands, ropes, threads, ribbons, or the like
Patent holdings for IPC class F16J 15/22
Total number of patents in this class: 114
10-year publication summary
|
17
|
12
|
11
|
5
|
1
|
3
|
1
|
6
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Pillar Packing Co., Ltd. | 256 |
18 |
| Eagle Industry Co., Ltd. | 1125 |
16 |
| Mitsubishi Hitachi Power Systems, Ltd. | 993 |
13 |
| Mitsubishi Heavy Industries, Ltd. | 8657 |
12 |
| A.W. Chesterton Company | 89 |
10 |
| Mitsubishi Power, Ltd. | 1758 |
6 |
| Sanwa Techno Co., Ltd. | 35 |
4 |
| The Boeing Company | 20025 |
3 |
| NTN Corporation | 4977 |
2 |
| Hatch Ltd. | 213 |
2 |
| Teadit N.A., Inc., AKA Teadit North America | 27 |
2 |
| Tsubakimoto Chain Co. | 620 |
2 |
| Baker Hughes Holdings LLC | 3006 |
2 |
| Honeywell International Inc. | 13562 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10879 |
1 |
| BHS-Sonthofen GmbH | 42 |
1 |
| Kautex Textron GmbH & Co. KG | 493 |
1 |
| KYB Corporation | 1354 |
1 |
| Martin Engineering Company | 102 |
1 |
| Nabtesco Corporation | 888 |
1 |
| Other owners | 15 |