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2643090
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Information
Patent Grant
2643090
References
Source
Patent Number
2,643,090
Date Filed
Not available
Date Issued
Tuesday, June 23, 1953
71 years ago
CPC
F04B53/10 - Valves Arrangement of valves
E21B34/06 - in wells
F04B53/127 - Disc valves
Y10T137/2559 - Self-controlled branched flow systems
Y10T137/6164 - Valve heads and/or seats
Y10T137/6167 - Opposite duplicate surfaces of unitary structure
Y10T137/7846 - Mechanically interconnected
Y10T137/7852 - End of valve moves inside dashpot chamber
Y10T137/7914 - Cage
US Classifications
137 - Fluid handling
251 - Valves and valve actuation
417 - Pumps
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