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US Patent 7373890 Vacuum control for seed planter

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Patent Citations Received
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US Patent 11937534 Applicator with multiple offset booms and method of controlling the same
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edited on 28 Sep, 2023
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US Patent 11765991 Particulate material metering system for an agricultural implement
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Patent Inventor Names
Trevor Lawrence Kowalchuk0
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US Patent 11744169 Particulate material metering system for an agricultural implement
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Patent abstract

A seed planting unit provides a manifold connecting a vacuum to multiple metering disks. The manifold includes valves to sequentially connect the manifold branches to the seed unit so as to moderate the peak air flow necessary to be handled by the vacuum source reducing horsepower drain and cost of the vacuum source itself.

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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=073738900
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US Patent 07373890 Vacuum control for seed planter US Patent 7373890 Vacuum control for seed planter

Infobox
Patent Number
073738900
Patent Number
73738900
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"Entity importer update"
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edited on 23 Sep, 2022
Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
073738900
Date of Patent
May 20, 2008
0
Patent Application Number
111947840
Date Filed
August 1, 2005
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=073738900
Patent Primary Examiner
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Christopher J. Novosad
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07373890
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 US Patent 07373890 Vacuum control for seed planter

Infobox
Is a
Patent
Patent
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07373890
Date of patent
May 20, 2008
Patent application number
11194784
Date Filed
August 1, 2005
Patent primary examiner
‌
Christopher J. Novosad

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