Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 20, 2021
Patent Application Number
16018210
Date Filed
June 26, 2018
Patent Citations
Patent Primary Examiner
Patent abstract
A planting implement including a toolbar and a seed metering system supported by the toolbar. The seed metering system includes at least one row unit. Each row unit includes a frame, an auxiliary seed hopper supported by the frame, a seed meter fluidly coupled to the auxiliary seed hopper, and a vacuum fan fluidly coupled to the auxiliary seed hopper and the seed meter in a closed fluid system in which the vacuum fan recirculates air through the auxiliary seed hopper and the seed meter.
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