- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 1/053 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders
Patent holdings for IPC class F04B 1/053
Total number of patents in this class: 183
10-year publication summary
|
5
|
15
|
19
|
29
|
12
|
9
|
10
|
11
|
8
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 43114 |
22 |
| SPM Oil & Gas Inc. | 341 |
12 |
| Mitsubishi Heavy Industries, Ltd. | 8910 |
10 |
| Artemis Intelligent Power Limited | 100 |
8 |
| Kerr Machine Co. | 157 |
7 |
| Hitachi Automotive Systems, Ltd. | 3955 |
6 |
| Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 461 |
6 |
| Continental Automotive GmbH | 4719 |
5 |
| Halliburton Energy Services, Inc. | 21103 |
4 |
| Yugen Kaisha K. R & D | 7 |
4 |
| Denso Corporation | 24818 |
3 |
| Caterpillar Inc. | 9866 |
3 |
| Schaeffler Technologies AG & Co. KG | 10376 |
3 |
| Danfoss Power Solutions GmbH & Co. OHG | 73 |
3 |
| HUSCO International, Inc. | 68 |
3 |
| Hitachi Astemo, Ltd. | 6378 |
3 |
| 7RDD Limited | 57 |
2 |
| Haier US Appliance Solutions, Inc. | 3803 |
2 |
| Katadyn Desalination, LLC | 7 |
2 |
| Pumptec, Inc. | 14 |
2 |
| Other owners | 73 |