- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means for damping vibration
- F16F 3/07 - Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction combined with chambers filled with gas or liquid
Patent holdings for IPC class F16F 3/07
Total number of patents in this class: 7
10-year publication summary
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0
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1
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0
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1
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0
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0
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1
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0
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0
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
1 |
| Advanex Inc. | 34 |
1 |
| Guangdong Zhengmei Furniture Technology Co.,Ltd | 4 |
1 |
| Litens Automotive Partnership | 337 |
1 |
| Muhr und Bender KG | 84 |
1 |
| NHK Spring Co., Ltd. | 1657 |
1 |
| Suzhou Maogang Machinery Accessories Co. Ltd | 7 |
1 |
| Other owners | 0 |