F04B 7/008
The distribution being realised by moving the cylinder itself
Official title: {the distribution being realised by moving the cylinder itself, e.g. by sliding or swinging (F04B7/0291 takes precedence)}
F04B7/008 (The distribution being realised by moving the cylinder itself) appears on 8 US grants and 8 published applications in this corpus.
Search patents in F04B- Granted patents
- 8
- Published applications
- 8
- Assignees
- 7
- Inventors
- 15
- Latest grant
- 16 Dec 2025
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| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year.
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Most cited
By later US patents
- Fluid suction and discharge apparatus12US 6,568,923 B22003
- Suction-discharge device for fluids comprising a piston within a rotating inner tube and a plurality of suction and discharge holes9US 6,634,871 B22003
- Anti-gas lock valve for a reciprocating downhole pump8US 10,174,752 B2Innovative Oilfield Consultants LTD Operating as Conn Pumps · 2019
- Variable displacement pump-motor2US 10,738,757 B2Regetns of the University of Minnesota · 2020
- Piston pump with cam actuated valves2US 9,140,244 B2Caterpillar Inc. · 2015