- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means for damping vibration
- F16F 9/36 - Special sealings, including sealings or guides for piston-rods
Patent holdings for IPC class F16F 9/36
Total number of patents in this class: 515
10-year publication summary
|
39
|
45
|
51
|
63
|
67
|
48
|
46
|
47
|
33
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KYB Corporation | 1278 |
39 |
| Hitachi Astemo, Ltd. | 5618 |
32 |
| BeijingWest Industries, Co., Ltd. | 141 |
20 |
| DRiV Automotive Inc. | 280 |
20 |
| Tenneco Automotive Operating Company Inc. | 658 |
18 |
| ZF Friedrichshafen AG | 6820 |
15 |
| ThyssenKrupp Bilstein GmbH | 188 |
15 |
| Oshkosh Defense, LLC | 159 |
13 |
| ThyssenKrupp AG | 3086 |
13 |
| Fox Factory, Inc. | 752 |
12 |
| Firestone Industrial Products Company, LLC | 316 |
10 |
| Nifco Inc. | 1103 |
9 |
| Hitachi Automotive Systems, Ltd. | 3970 |
8 |
| Kayaba Industry Co., Ltd. | 376 |
8 |
| Aktiebolaget SKF | 2700 |
7 |
| NOK Corporation | 2108 |
7 |
| Ohlins Racing AB | 130 |
7 |
| FTC Solar, Inc. | 80 |
7 |
| Honda Motor Co., Ltd. | 24537 |
6 |
| Carl Freudenberg KG | 1346 |
6 |
| Other owners | 243 |