- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16H - Gearing
- F16H 61/444 - Control of exclusively fluid gearing hydrostatic with more than one pump or motor unit in operation by changing the number of pump or motor units in operation
Patent holdings for IPC class F16H 61/444
Total number of patents in this class: 38
10-year publication summary
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3
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5
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8
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4
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1
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1
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1
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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
|
|---|---|---|
| Poclain Hydraulics Industrie | 223 |
6 |
| Robert Bosch GmbH | 40953 |
3 |
| Dana Italia S.p.A. | 31 |
3 |
| AGCO International GmbH | 504 |
2 |
| Goodrich Corporation | 2081 |
2 |
| Kubota Corporation | 3054 |
2 |
| Danfoss A/S | 1259 |
2 |
| Eaton Corporation | 1839 |
1 |
| Hitachi Construction Machinery Co., Ltd. | 2498 |
1 |
| Caterpillar Inc. | 8877 |
1 |
| ZF Friedrichshafen AG | 6820 |
1 |
| Komatsu Ltd. | 4265 |
1 |
| Ammann Schweiz AG | 67 |
1 |
| Danfoss Power Solutions Inc. | 116 |
1 |
| Hydro-Gear Limited Partnership | 355 |
1 |
| J.C. Bamford Excavators Limited | 398 |
1 |
| List Holding AG | 42 |
1 |
| Mathers Hydraulics Technologies Pty Ltd | 17 |
1 |
| Max Holder GmbH | 7 |
1 |
| Statoil ASA | 152 |
1 |
| Other owners | 5 |