US Patent 7855345 Differential pressure switch
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Patent abstract
The invention relates to a field adjustable pressure switch that incorporates a manually adjustable differential to set the pressure level for the trip point for the pressure switch used in conjunction with a submersible sump pump system requiring trip levels corresponding to the desired water level in the sump well for operation of the pump motor.
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US Patent 07855345 Differential pressure switch US Patent 7855345 Differential pressure switch
Infobox
Patent Number
0785534500
Patent Number
785534500
Edits on 26 Apr, 2023
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Patent Jurisdiction
Patent Number
078553450
Date of Patent
December 21, 2010
0Patent Application Number
119858830
Date Filed
November 19, 2007
0Official Website
Patent Primary Examiner
Edits on 27 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
078553450
Date of Patent
December 21, 2010
0Patent Application Number
119858830
Date Filed
November 19, 2007
0Official Website
Patent Primary Examiner
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US Patent 07855345 Differential pressure switch
Infobox
Is a
Patent jurisdiction
Patent number
07855345
Date of patent
December 21, 2010
Patent application number
11985883
Date Filed
November 19, 2007
Patent primary examiner
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