- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16H - Gearing
- F16H 61/4139 - Replenishing or scavenging pumps, e.g. auxiliary charge pumps
Patent holdings for IPC class F16H 61/4139
Total number of patents in this class: 50
10-year publication summary
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4
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4
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6
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6
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3
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4
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3
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4
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0
|
1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Poclain Hydraulics Industrie | 244 |
12 |
| Caterpillar Inc. | 9673 |
4 |
| Hydro-Gear Limited Partnership | 341 |
4 |
| Thomas Magnete GmbH | 108 |
4 |
| Blue Leaf I.P., Inc. | 2789 |
3 |
| Technoboost | 86 |
3 |
| Doosan Bobcat North America Inc. | 590 |
2 |
| Deere & Company | 7688 |
1 |
| Hitachi Construction Machinery Co., Ltd. | 2680 |
1 |
| Robert Bosch GmbH | 42887 |
1 |
| Komatsu Ltd. | 4607 |
1 |
| BOMAG GmbH | 404 |
1 |
| Carl Geringhoff GmbH & Co. KG | 113 |
1 |
| CLAAS Saulgau GmbH | 70 |
1 |
| Clark Equipment Company | 308 |
1 |
| Danfoss Power Solutions GmbH & Co. OHG | 73 |
1 |
| Danfoss Power Solutions Inc. | 110 |
1 |
| Hamm AG | 167 |
1 |
| Kayaba Industry Co., Ltd. | 352 |
1 |
| Liebherr-Werk Nenzing GmbH | 92 |
1 |
| Other owners | 5 |