US Patent 9175786 Valve apparatus
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Patent abstract
A valve apparatus for a fluid transmission line. The valve apparatus comprising a housing; a drive mechanism; a leadscrew selectively rotatable in a first or second rotational leadscrew direction by the drive mechanism; a drive gear mounted to the housing, the drive gear configured to be selectively driven in a first or second drive gear direction during rotation of said leadscrew in the first or second leadscrew direction to operate an iris mechanism.
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US Patent 09175786 Valve apparatus US Patent 9175786 Valve apparatus
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Patent Number
0917578600
Patent Number
917578600
Edits on 30 Mar, 2023
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Patent Jurisdiction
Patent Number
091757860
Date of Patent
November 3, 2015
0Patent Application Number
140156280
Date Filed
August 30, 2013
0Official Website
Patent Primary Examiner
Edits on 28 Sep, 2022
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Infobox
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Patent Jurisdiction
Patent Number
091757860
Date of Patent
November 3, 2015
0Patent Application Number
140156280
Date Filed
August 30, 2013
0Official Website
Patent Primary Examiner
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US Patent 09175786 Valve apparatus
Infobox
Is a
Patent jurisdiction
Patent number
09175786
Date of patent
November 3, 2015
Patent application number
14015628
Date Filed
August 30, 2013
Patent primary examiner
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