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FLUID FLOW CONTROL APPARATUS
US 3,528,449 A
Filed
: 02/27/1968
Issued
: 09/15/1970
Est. Priority Date
: 02/27/1968
Status: Expired due to Term
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Current Assignee
Charles E. Wood
,
Robert S. Witte
Original Assignee
Charles E. Wood
,
Robert S. Witte
Inventors
Witte, Robert S.
,
Wood, Charles E.
Application Number
US04/708,617
Time in Patent Office
931 Days
Field of Search
US Class Current
137/251.1
CPC Class Codes
F16K 13/10
by means of liquid or granu...
F16K 31/025
actuated by thermo-electric...
Y10T 137/0391
Affecting flow by the addit...
Y10T 137/4643
Liquid valves
Y10T 137/6416
With heating or cooling of ...
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