Pressure fluid-operated pump structure
United States Patent 2921531
US Patent References:
Fluid operated motor for deep well pumping equipment
- - 2276783
Heavy oil and sand pump
- - 2473864
Fluid-operated pump
- - 2497348
Fluid motor
- - 2631572
Fluid operated motor for deep well pumping equipment
- - 2276783
Heavy oil and sand pump
- - 2473864
Fluid-operated pump
- - 2497348
Fluid motor
- - 2631572
Inventors:
Brennan, John R.
Bloudoff, Peter S.
Bloudoff, Peter S.
Publication Date:
01/19/1960
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Export Citation:
Assignee:
NAT SUPPLY CO
Primary Class:
Other Classes:
91/325, 91/290, 91/224, 417/523
International Classes:
F04B47/04; F04B47/00