- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 1/30 - Control of machines or pumps with rotary cylinder blocks
Patent holdings for IPC class F04B 1/30
Total number of patents in this class: 39
10-year publication summary
|
7
|
2
|
5
|
8
|
2
|
3
|
0
|
2
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42677 |
4 |
| Dana Motion Systems Italia S.r.l. | 103 |
4 |
| HYDAC Drive Center GmbH | 16 |
3 |
| Caterpillar Inc. | 9558 |
2 |
| NTN Corporation | 4975 |
2 |
| BorgWarner TorqTransfer Systems AB | 47 |
2 |
| Danfoss Power Solutions Inc. | 111 |
2 |
| KYB Corporation | 1359 |
2 |
| Hitachi Construction Machinery Co., Ltd. | 2643 |
1 |
| Schaeffler Technologies AG & Co. KG | 9897 |
1 |
| Komatsu Ltd. | 4556 |
1 |
| Kawasaki Heavy Industries, Limited | 1633 |
1 |
| Duke Engines Limited | 6 |
1 |
| Fluid Metering, Inc. | 56 |
1 |
| Hydro-Gear Limited Partnership | 345 |
1 |
| Hydro LEDUC | 10 |
1 |
| Innas B.V. | 22 |
1 |
| Kayaba Industry Co., Ltd. | 355 |
1 |
| Kobe Steel, Ltd. | 876 |
1 |
| Nabtesco Corporation | 890 |
1 |
| Other owners | 6 |