- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 1/20 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
Patent holdings for IPC class F04B 1/20
Total number of patents in this class: 369
10-year publication summary
|
57
|
42
|
17
|
31
|
18
|
12
|
6
|
2
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42596 |
129 |
| Danfoss A/S | 1352 |
14 |
| Innas B.V. | 23 |
12 |
| Parker-Hannifin Corporation | 1033 |
12 |
| Hamilton Sundstrand Corporation | 4836 |
10 |
| Hydro-Gear Limited Partnership | 347 |
10 |
| Brueninghaus Hydromatik GmbH | 36 |
9 |
| Technoboost | 86 |
9 |
| Caterpillar Inc. | 9521 |
7 |
| Kawasaki Heavy Industries, Limited | 1625 |
7 |
| Komatsu Ltd. | 4517 |
5 |
| Danfoss Power Solutions GmbH & Co. OHG | 73 |
5 |
| Danfoss Power Solutions Inc. | 110 |
5 |
| Parker Intangibles LLC | 1171 |
5 |
| HYDAC Drive Center GmbH | 16 |
4 |
| IFP Energies Nouvelles | 2942 |
4 |
| KYB Corporation | 1353 |
4 |
| Ocean Pacific Technologies | 6 |
4 |
| Dana Motion Systems Italia S.r.l. | 104 |
4 |
| Toyota Industries Corporation | 1106 |
3 |
| Other owners | 107 |