US Patent 7438036 Oil metering valve seal
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Patent Inventor Names
Eric W. Hesher0
Robert W. Lehmann0
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Patent abstract
A valve stem seal having an annular valve body with an upper surface, a lower surface, and defining an aperture is disclosed. The valve body is positioned for selective sealing engagement with a valve stem. At least one orifice is disposed on an inner surface of the annular valve body between the annular valve body and the valve stem. The orifice controls the rate of oil flow between the annular valve body and the valve stem.
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US Patent 07438036 Oil metering valve seal US Patent 7438036 Oil metering valve seal
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Patent Number
074380360
Patent Number
74380360
Edits on 24 May, 2023
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Official Website
Edits on 23 Apr, 2023
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Patent Jurisdiction
Patent Number
074380360
Date of Patent
October 21, 2008
0Patent Application Number
110501190
Date Filed
February 3, 2005
0Official Website
Patent Primary Examiner
Edits on 14 Jun, 2022
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Edits on 1 Dec, 2021
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US Patent 07438036 Oil metering valve seal
Infobox
Is a
Patent jurisdiction
Patent number
07438036
Date of patent
October 21, 2008
Patent application number
11050119
Date Filed
February 3, 2005
Patent primary examiner
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