- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16H - Gearing
- F16H 39/14 - Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type each with one main shaft and provided with pistons reciprocating in cylinders with cylinders arranged around, and parallel or approximately parallel to, the main axis of the gearing with cylinders carried in rotary cylinder blocks or cylinder-bearing members
Patent holdings for IPC class F16H 39/14
Total number of patents in this class: 58
10-year publication summary
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9
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3
|
9
|
8
|
3
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3
|
2
|
1
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0
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hydro-Gear Limited Partnership | 329 |
16 |
| Kanzaki Kokyukoki Mfg. Co., Ltd. | 190 |
10 |
| Hamilton Sundstrand Corporation | 5013 |
7 |
| Blue Leaf I.P., Inc. | 2929 |
4 |
| Kinetics Drive Solutions Inc. | 22 |
3 |
| ZF Friedrichshafen AG | 7272 |
2 |
| Kayaba Industry Co., Ltd. | 342 |
2 |
| Parker-Hannifin Corporation | 1045 |
2 |
| Parker Intangibles LLC | 1163 |
2 |
| Danfoss A/S | 1448 |
2 |
| Honda Motor Co., Ltd. | 26657 |
1 |
| Robert Bosch GmbH | 44398 |
1 |
| Caterpillar Inc. | 10343 |
1 |
| GXi Holdings, LLC | 7 |
1 |
| Kubota Corporation | 4444 |
1 |
| Ocean Pacific Technologies | 7 |
1 |
| Regents of the University of Minnesota | 2820 |
1 |
| Eaton Intelligent Power Limited | 6295 |
1 |
| Other owners | 0 |