- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 9/10 - Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
Patent holdings for IPC class F04B 9/10
Total number of patents in this class: 113
10-year publication summary
|
13
|
11
|
18
|
9
|
6
|
9
|
8
|
6
|
3
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dosatron International | 70 |
8 |
| Robert Bosch GmbH | 44094 |
4 |
| Weatherford Technology Holdings, LLC | 2152 |
4 |
| Ameriforge Group Inc. | 36 |
4 |
| Halliburton Energy Services, Inc. | 21306 |
3 |
| Caterpillar Inc. | 10269 |
3 |
| GEA Mechanical Equipment Italia S.p.A. | 83 |
3 |
| IDEX MPT Inc. | 53 |
3 |
| Putzmeister Engineering GmbH | 350 |
3 |
| Quality Manufacturing Inc. | 13 |
3 |
| Chart Energy & Chemicals, Inc. | 77 |
2 |
| Nidec Corporation | 2802 |
2 |
| Pressure Biosciences, Inc. | 30 |
2 |
| Solray Holdings Limited | 4 |
2 |
| Technoboost | 86 |
2 |
| Wagner Spray Tech Corporation | 390 |
2 |
| Yantai Jereh Oilfield Services Group Co., Ltd. | 91 |
2 |
| Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 474 |
2 |
| General Electric Company | 13894 |
1 |
| Schlumberger Technology Corporation | 11767 |
1 |
| Other owners | 57 |