US Patent 7399223 Sieve with different louvers
Patent 7399223 was granted and assigned to DEERE & COMPANY on July, 2008 by the United States Patent and Trademark Office.
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Patent abstract
The invention refers to a screen for a cleaning device of a harvester-thresher, with a screen frame, on which several screen metal sheets are supported so they can rotate around an axis, and with at least one air conducting surface, which protrudes downward beyond the screen frame, to deflect an air flow present below the screen during operation upward to the screen metal sheets. The air conducting surface may be movable jointly with the screen metal sheets.
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US Patent 07399223 Sieve with different louvers US Patent 7399223 Sieve with different louvers
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Patent Number
0739922300
Patent Number
739922300
Edits on 18 May, 2023
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
073992230
Date of Patent
July 15, 2008
0Patent Application Number
114518230
Date Filed
June 13, 2006
0Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
073992230
Date of Patent
July 15, 2008
0Patent Application Number
114518230
Date Filed
June 13, 2006
0Official Website
Patent Primary Examiner
Edits on 9 Jun, 2022
Golden AI
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Edits on 30 Nov, 2021
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US Patent 07399223 Sieve with different louvers
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07399223
Date of patent
July 15, 2008
Patent application number
11451823
Date Filed
June 13, 2006
Patent primary examiner
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