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Controls for fluid treatment apparatus
US 2,999,514 A
Filed
: 06/25/1958
Issued
: 09/12/1961
Est. Priority Date
: 06/25/1958
Status: Expired due to Term
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Current Assignee
Benjamin H. Kryzer
Original Assignee
Benjamin H. Kryzer
Inventors
Kryzer, Benjamin H.
Application Number
US03/744,577
Time in Patent Office
1,175 Days
Field of Search
US Class Current
137/624.18
CPC Class Codes
C02F 1/42
by ion-exchange ion-exchang...
F16K 31/48
actuated by mechanical timi...
Y10T 137/86445
Plural, sequential, valve a...
Y10T 137/87265
Dividing into parallel flow...
Y10T 137/87619
With selectively operated f...
Y10T 137/87829
Biased valve
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