Deep well pumping system
United States Patent 2975721
US Patent References:
/1304330.html
- - 1304330
Deep-well pump
- - 1568447
Hydraulic well pump
- - 2079996
Pump
- - 2490118
Deep well pump
- - 2747511
/1304330.html
- - 1304330
Deep-well pump
- - 1568447
Hydraulic well pump
- - 2079996
Pump
- - 2490118
Deep well pump
- - 2747511
Inventors:
Chancellor, Forrest E.
Chancellor, Robert O.
Chancellor, Robert O.
Publication Date:
03/21/1961
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Export Citation:
Assignee:
Chancellor, Forrest E.
Chancellor, Robert O.
Chancellor, Robert O.
Primary Class:
Other Classes:
417/265, 417/264, 417/259
International Classes:
F04B47/00
US Patent References:
| 2918014 | Deep well pumping actuator |
Foreign References:
| FR612776A |