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:
Mar. 28, 1989
Filed:
Jun. 20, 1986
Applicant:
Inventors:
Shade W Hall, Persia, IA (US);
Eugene L Peters, Tennant, IA (US);
Robert E Jensen, Tennant, IA (US);
Bernard K Cox, Jr, Omaha, NE (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01C / ;
U.S. Cl.
CPC ...
111-1 ; 111 34 ; 111-7 ; 415176 ;
Abstract
A hygroscopic-fertilizer-pellet applicator of the type having a fan blowing air through small tubes to propel the pellets to tube outlets for underground placement. The tendency of the hygroscopic fertilizer to absorb moisture, and to clog the small tubes, is relieved herein by heating the air which then dries the fertilizer. The source of heat is to have the fan pulling ambient air through a heat exchange, which latter is heated by hydraulic fluid flowing through it from a hydraulic motor operating the fan. The compression of the air by the fan further heats the air.