- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means for damping vibration
- F16F 1/36 - Springs made of material having high internal friction
Patent holdings for IPC class F16F 1/36
Total number of patents in this class: 529
10-year publication summary
|
44
|
46
|
52
|
65
|
56
|
42
|
43
|
36
|
27
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7067 |
37 |
| Sumitomo Riko Company Limited | 962 |
26 |
| Honda Motor Co., Ltd. | 24537 |
24 |
| NOK Corporation | 2108 |
19 |
| Silgan Dispensing Systems Corporation | 319 |
13 |
| NHK Spring Co., Ltd. | 1657 |
11 |
| Tokai Rubber Industries, Ltd. | 163 |
10 |
| Illinois Tool Works Inc. | 11152 |
7 |
| Toyo Tire Corporation | 943 |
7 |
| Prospira Corporation | 160 |
7 |
| Toyota Motor Corporation | 28582 |
6 |
| Toyo Tire & Rubber Co., Ltd. | 631 |
6 |
| Schaeffler Technologies AG & Co. KG | 8880 |
5 |
| Yamashita Rubber Co., Ltd. | 41 |
5 |
| Asset Guard Products Inc. | 38 |
5 |
| Three Smith Group Limited | 79 |
5 |
| NEXTracker LLC | 189 |
5 |
| BASF SE | 19740 |
4 |
| LG Electronics Inc. | 69257 |
4 |
| Hewlett-Packard Development Company, L.P. | 28538 |
4 |
| Other owners | 319 |