Rotary well pump
United States Patent 3347169
US Patent References:
/1036824.html
- - 1036824

Well pump
- - 1980985

Deep well pump
- - 2267459

Flexible rotary drive coupling
- - 2346426

Drilling machine
- - 2379944


Inventors:
Cronin Jr., John W.
Boyer, Verdi E.
Publication Date:
10/17/1967
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Assignee:
SARGENT INDUSTRIES
Primary Class:
Other Classes:
464/18
International Classes:
E21B23/02; E21B43/12; F04C13/00; E21B23/00
US Patent References:
2464011Helical hollow rotor pump
2586360Flexible shaft coupling
2684639Well pump
2739650Pumping apparatus
2898087Well drilling apparatus and method