US Patent 7946455 Metering device for at least one medium
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Patent abstract
A metering device is provided for metering at least one medium. The metering device includes a medium storage unit and a pumping system connected to the medium storage unit. The medium storage unit or the pumping system has a venting valve which is elastically held in the closed position. The metering device also includes a control member associated with the venting valve in such a way that the control member opens the venting valve as a result of a pumping movement of the pumping system.
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US Patent 07946455 Metering device for at least one medium US Patent 7946455 Metering device for at least one medium
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Patent Number
0794645500
Patent Number
794645500
Edits on 3 Apr, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
079464550
Date of Patent
May 24, 2011
0Patent Application Number
116651280
Date Filed
October 6, 2005
0Patent Primary Examiner
Edits on 28 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
079464550
Date of Patent
May 24, 2011
0Patent Application Number
116651280
Date Filed
October 6, 2005
0Patent Primary Examiner
Edits on 7 Dec, 2021
Golden AI
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US Patent 07946455 Metering device for at least one medium
Infobox
Is a
Patent jurisdiction
Patent number
07946455
Date of patent
May 24, 2011
Patent application number
11665128
Date Filed
October 6, 2005
Patent primary examiner
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