- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- 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: 112
10-year publication summary
12
|
17
|
12
|
11
|
5
|
1
|
3
|
1
|
6
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nippon Pillar Packing Co., Ltd. | 269 |
18 |
Eagle Industry Co., Ltd. | 1062 |
16 |
Mitsubishi Hitachi Power Systems, Ltd. | 999 |
13 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
12 |
A.W. Chesterton Company | 80 |
10 |
Mitsubishi Power, Ltd. | 1680 |
7 |
Sanwa Techno Co., Ltd. | 35 |
4 |
The Boeing Company | 19843 |
3 |
NTN Corporation | 5008 |
2 |
Hatch Ltd. | 219 |
2 |
Teadit N.A., Inc., AKA Teadit North America | 24 |
2 |
Tsubakimoto Chain Co. | 588 |
2 |
Baker Hughes Holdings LLC | 3060 |
2 |
Honeywell International Inc. | 13799 |
1 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
BHS-Sonthofen GmbH | 44 |
1 |
Kautex Textron GmbH & Co. KG | 474 |
1 |
KYB Corporation | 1278 |
1 |
Martin Engineering Company | 110 |
1 |
Nabtesco Corporation | 871 |
1 |
Other owners | 12 |