- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means for damping vibration
- F16F 13/08 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
Patent holdings for IPC class F16F 13/08
Total number of patents in this class: 128
10-year publication summary
20
|
19
|
11
|
6
|
5
|
9
|
5
|
8
|
2
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sumitomo Riko Company Limited | 962 |
22 |
Prospira Corporation | 160 |
13 |
Bridgestone Corporation | 7067 |
10 |
Textron Innovations Inc. | 2138 |
10 |
Hyundai Motor Company | 19021 |
6 |
Zhuzhou Times New Material Technology Co., Ltd. | 63 |
6 |
Honda Motor Co., Ltd. | 24537 |
4 |
Lord Corporation | 484 |
4 |
Toyo Tire Corporation | 943 |
4 |
Kia Motors Corporation | 7946 |
3 |
The United States of America as represented by the Secretary of the Army | 1195 |
3 |
Bell Helicopter Textron Inc. | 1122 |
3 |
ITT Manufacturing Enterprises LLC | 518 |
3 |
ContiTech Vibration Control GmbH | 101 |
2 |
Performance Pulsation Control, Inc. | 57 |
2 |
The Pullman Company | 92 |
2 |
Tokai Rubber Industries, Ltd. | 163 |
2 |
Toyo Tire & Rubber Co., Ltd. | 631 |
2 |
Airbus Helicopters | 984 |
1 |
Caterpillar Inc. | 8877 |
1 |
Other owners | 25 |