- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means for damping vibration
- F16F 1/46 - Springs made of material having high internal friction characterised by the mode of stressing loaded mainly in tension
Patent holdings for IPC class F16F 1/46
Total number of patents in this class: 17
10-year publication summary
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3
|
1
|
0
|
2
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0
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3
|
1
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0
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1
|
1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Illinois Tool Works Inc. | 11152 |
4 |
| Sleep Number Corporation | 471 |
3 |
| Ricoh Company, Ltd. | 13266 |
1 |
| DENSO International America, Inc. | 609 |
1 |
| Birckhead, John M. | 1 |
1 |
| Dtech Precision Industries Co., Ltd. | 28 |
1 |
| Guitar Center, Inc. | 81 |
1 |
| Leichtbau-zentrum Sachsen GmbH | 24 |
1 |
| Mayeu, Christopher W. | 1 |
1 |
| Oil States Industries, Inc. | 61 |
1 |
| SABIC Global Technologies B.V. | 4044 |
1 |
| SGF Suddeutsche Gelenkscheibenfabrik GmbH & Co. KG | 37 |
1 |
| Other owners | 0 |