Pumping system
United States Patent 2726606
US Patent References:
/0070736.html
- - 0070736

/0132384.html
- - 0132384

/0845675.html
- - 0845675

/0913731.html
- - 0913731

Deep-well pump
- - 1340472


Inventors:
Davidson, Arthur P.
Publication Date:
12/13/1955
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Assignee:
Davidson, Arthur P.
Primary Class:
417/247
Other Classes:
415/901, 417/390, 415/904, 415/142, 415/198.100, 417/408, 415/72, 417/409
International Classes:
F04D13/04; F04D13/10; F04D13/02; F04D13/06
US Patent References:
1402059Pumping machinery
1756276Sliding bearing bushing for pump construction
1759817Steam turbine
1876070Water motor
1894393Turbine pump
1932881Pump
Foreign References:
DE380867C
FR466729A
GB497922A