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Automatic regulation of the rate of flow of a fluid through a pipe or the like
US 2,916,047 A
Filed
: 12/18/1953
Issued
: 12/08/1959
Est. Priority Date
: 12/22/1952
Status: Expired due to Term
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Current Assignee
Kenneth L. Butcher
Original Assignee
Kenneth L. Butcher
Inventors
Butcher, Kenneth L.
Application Number
US03/399,110
Time in Patent Office
2,181 Days
Field of Search
US Class Current
137/501
CPC Class Codes
G05D 7/0106
the sensing element being a...
Y10T 137/7788
Pressures across fixed choke
Y10T 137/86767
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