- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means for damping vibration
- F16F 1/48 - Springs made of material having high internal friction characterised by the mode of stressing loaded mainly in torsion
Patent holdings for IPC class F16F 1/48
Total number of patents in this class: 28
10-year publication summary
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2
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3
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4
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5
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1
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5
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2
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1
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1
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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
|
|---|---|---|
| Schaeffler Technologies AG & Co. KG | 8880 |
2 |
| Lord Corporation | 484 |
2 |
| Valeo Kapec Co., Ltd. | 158 |
2 |
| Canon Inc. | 36841 |
1 |
| Airbus Helicopters | 984 |
1 |
| Denso Corporation | 23338 |
1 |
| Koninklijke Philips N.V. | 22975 |
1 |
| ZF Friedrichshafen AG | 6820 |
1 |
| JTEKT Corporation | 2423 |
1 |
| Enrichment Technology Company Ltd. | 19 |
1 |
| ENRICHMENT TECHNOLOGY DEUTSCHLAND GmbH | 1 |
1 |
| FM Energie GmbH & Co.KG | 21 |
1 |
| Helmut Schmidt Universitat, Universitat der Bundeswehr Hamburg | 26 |
1 |
| Hendrickson USA, L.L.C. | 603 |
1 |
| HRL Laboratories, LLC | 1588 |
1 |
| Igus GmbH | 471 |
1 |
| Nemos GmbH | 7 |
1 |
| Oil States Industries, Inc. | 61 |
1 |
| SCHERDEL INNOTEC Forschungs-und Entwicklungs-GmbH | 28 |
1 |
| Spiraflex, Inc. | 23 |
1 |
| Other owners | 5 |