The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 28, 1981
Filed:
Feb. 06, 1979
Applicant:
Inventor:
Heinz Dreyer, Hasbergen-Gaste, DE;
Assignee:
Amazonen Werke, Hasbergen-Gaste, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01C / ;
U.S. Cl.
CPC ...
111 73 ; 111 77 ; 111 78 ; 111 80 ; 222615 ; 222619 ; 222624 ;
Abstract
A machine (FIG. 1) for dispensing seed and fertilizers, which is equipped with two hoppers one for the seed, and the other for the fertilizer. The materials flowing from outlet apertures of the hoppers while the machine is in operation are introduced into the soil in controlled amounts through proportioning means, chutes and tubes which discharge into hoes. The proportioning means have a plurality of feed wheels disposed on shafts and are driven by a ground-dependent power source.
Dreyer, Heinz. (1981). Seed and fertilizer drill drive (U.S. Patent No. 4263858). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4263858
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile