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Valve manifold
US 2,871,881 A
Filed
: 01/28/1957
Issued
: 02/03/1959
Est. Priority Date
: 01/28/1957
Status: Expired due to Term
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Current Assignee
John E. Hewson
Original Assignee
John E. Hewson
Inventors
Hewson, John E.
Application Number
US03/636,802
Time in Patent Office
736 Days
Field of Search
US Class Current
137/597
CPC Class Codes
F16K 27/00
Construction of housing met...
F16K 27/04
of sliding valves
G01L 19/0015
using switching means
Y10T 137/6579
Circulating fluid in heat e...
Y10T 137/87249
Multiple inlet with multipl...
Y10T 137/87901
With threaded actuator
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