- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- 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: 176
10-year publication summary
|
9
|
5
|
15
|
19
|
31
|
12
|
9
|
10
|
8
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
24 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
11 |
| SPM Oil & Gas Inc. | 304 |
11 |
| Artemis Intelligent Power Limited | 106 |
8 |
| Hitachi Automotive Systems, Ltd. | 3970 |
6 |
| Continental Automotive GmbH | 5573 |
5 |
| Kerr Machine Co. | 98 |
5 |
| Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 396 |
4 |
| Yugen Kaisha K. R & D | 8 |
4 |
| Halliburton Energy Services, Inc. | 20165 |
3 |
| Denso Corporation | 23338 |
3 |
| Caterpillar Inc. | 8877 |
3 |
| Schaeffler Technologies AG & Co. KG | 8880 |
3 |
| Danfoss Power Solutions GmbH & Co. OHG | 70 |
3 |
| HUSCO International, Inc. | 62 |
3 |
| Hitachi Astemo, Ltd. | 5618 |
3 |
| 7RDD Limited | 56 |
2 |
| Haier US Appliance Solutions, Inc. | 3178 |
2 |
| Katadyn Desalination, LLC | 8 |
2 |
| Pumptec, Inc. | 16 |
2 |
| Other owners | 69 |