- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16H - Gearing
- F16H 55/50 - Features essential to rope pulleys
Patent holdings for IPC class F16H 55/50
Total number of patents in this class: 42
10-year publication summary
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2
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4
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3
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5
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2
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3
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5
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2
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4
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2697 |
5 |
| Latecoere | 201 |
3 |
| National Oilwell Varco, L.P. | 1700 |
3 |
| Semperit AG Holding | 35 |
3 |
| Liebherr-components Biberach GmbH | 225 |
2 |
| Magna Closures Inc. | 412 |
2 |
| Zpe Licensing Inc. | 31 |
2 |
| Compagnie Generale des Etablissements Michelin | 4975 |
2 |
| Compagnie générale des établissements Michelin SCA | 2735 |
1 |
| Aktiebolaget SKF | 3148 |
1 |
| Genesis Advanced Technology Inc. | 50 |
1 |
| Harken, Inc. | 52 |
1 |
| IHI Corporation | 3534 |
1 |
| Innova Patent GmbH | 207 |
1 |
| International Safety Components Limited | 24 |
1 |
| Kite Gen Research S.r.l. | 29 |
1 |
| Rolic Invest S.ar.l. | 33 |
1 |
| Siemag Tecberg GmbH | 68 |
1 |
| Technische Universität Dresden | 550 |
1 |
| Inapril AS | 9 |
1 |
| Other owners | 8 |