- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 9/103 - 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 having only one pumping chamber
Patent holdings for IPC class F04B 9/103
Total number of patents in this class: 44
10-year publication summary
|
5
|
9
|
8
|
5
|
6
|
2
|
6
|
3
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dosatron International | 68 |
3 |
| Hewlett-Packard Development Company, L.P. | 27461 |
2 |
| Robert Bosch GmbH | 41786 |
2 |
| GEA Mechanical Equipment Italia S.p.A. | 60 |
2 |
| Saudi Arabian Oil Company | 12446 |
2 |
| Van Halteren Technologies Boxtel B.V. | 10 |
2 |
| Schlumberger Technology Corporation | 10263 |
1 |
| Schlumberger Canada Limited | 7154 |
1 |
| Schlumberger Technology B.v. | 5075 |
1 |
| 2iC Australia Pty Ltd | 11 |
1 |
| Flowserve Management Company | 203 |
1 |
| FMC Kongsberg Subsea AS | 251 |
1 |
| FMC Technologies, Inc. | 586 |
1 |
| Hunan Sany Intelligent Control Equipment Co., Ltd. | 344 |
1 |
| Hypertherm, Inc. | 521 |
1 |
| Itec Co., Ltd. | 6 |
1 |
| Lih Yann Industrial Co., Ltd. | 48 |
1 |
| MannKind Corporation | 528 |
1 |
| Monkey Pumps, LLC | 7 |
1 |
| Pressure Biosciences, Inc. | 31 |
1 |
| Other owners | 17 |