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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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Download PDF 3347169
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Assignee:
SARGENT INDUSTRIES
Primary Class:
418/48
Other Classes:
464/18
International Classes:
E21B23/02
;
E21B43/12
;
F04C13/00
;
E21B23/00
US Patent References:
2464011
Helical hollow rotor pump
2586360
Flexible shaft coupling
2684639
Well pump
2739650
Pumping apparatus
2898087
Well drilling apparatus and method