- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- F16J 15/14 - Sealings between relatively-stationary surfaces by means of granular or plastic material, or fluid
Patent holdings for IPC class F16J 15/14
Total number of patents in this class: 288
10-year publication summary
|
25
|
25
|
35
|
21
|
24
|
11
|
10
|
9
|
16
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Patent Well, LLC | 49 |
13 |
| NOK Corporation | 2162 |
11 |
| Threebond Co., Ltd. | 123 |
10 |
| Three Bond Co., Ltd. | 219 |
9 |
| Henkel AG & Co. KGaA | 10343 |
7 |
| The Boeing Company | 19901 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8515 |
5 |
| Hitachi Automotive Systems, Ltd. | 3962 |
5 |
| Denso Corporation | 23721 |
5 |
| Bridgestone Corporation | 7142 |
5 |
| Hitachi Astemo, Ltd. | 6050 |
5 |
| NTN Corporation | 4980 |
4 |
| Honda Motor Co., Ltd. | 24865 |
3 |
| Nissan Motor Co., Ltd. | 12332 |
3 |
| Nitto Denko Corporation | 8073 |
3 |
| Edwards Limited | 799 |
3 |
| Nexen Group, Inc. | 46 |
3 |
| NHK Spring Co., Ltd. | 1766 |
3 |
| Sika Technology AG | 2842 |
3 |
| ZF Lenksysteme GmbH | 132 |
3 |
| Other owners | 180 |