- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16H - Gearing
- F16H 61/421 - Motor capacity control by electro-hydraulic control means, e.g. using solenoid valves
Patent holdings for IPC class F16H 61/421
Total number of patents in this class: 109
10-year publication summary
|
7
|
6
|
6
|
4
|
5
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8
|
8
|
7
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2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Komatsu Ltd. | 4648 |
15 |
| Robert Bosch GmbH | 43321 |
12 |
| Kubota Corporation | 4154 |
12 |
| Doosan Bobcat North America Inc. | 617 |
6 |
| ZF Friedrichshafen AG | 7213 |
5 |
| Deere & Company | 7850 |
4 |
| Danfoss Power Solutions GmbH & Co. OHG | 73 |
4 |
| Hitachi Construction Machinery Co., Ltd. | 2680 |
3 |
| Caterpillar Inc. | 10010 |
3 |
| Blue Leaf I.P., Inc. | 2772 |
3 |
| Dana Italia S.r.l. | 152 |
3 |
| AGCO International GmbH | 661 |
2 |
| Clark Equipment Company | 298 |
2 |
| Danfoss Power Solutions Inc. | 112 |
2 |
| Federal Signal Corporation | 226 |
2 |
| Raven Industries, Inc. | 332 |
2 |
| TCM Corporation | 19 |
2 |
| Volvo Construction Equipment AB | 1206 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8964 |
1 |
| Hyundai Kefico Corporation | 221 |
1 |
| Other owners | 23 |