Pump
US6736612B2 · kind B2 · utility
4Cited by
17References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 6, 2001 |
| Grant date | May 18, 2004 |
| Priority date | — |
| Expiry date | Jul 6, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B9/1256
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A pump including a reciprocating piston movable in a piston chamber by pneumatic pressure. The pneumatic pressure is directed through air channels by one or more valves. At least one of the valves and/or air channels is located in a removable portion of the pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.