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:
Nov. 24, 1992
Filed:
Dec. 11, 1991
Applicant:
Inventor:
Heinz Holter, 4390 Gladbeck, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60H / ; B60H / ;
U.S. Cl.
CPC ...
239-1 ; 239148 ; 239172 ; 239159 ; 454157 ; 454158 ;
Abstract
A method of and an apparatus for ventilating the cab of a tractor used for dispensing a plant-protective agent onto a plant site. A wet scrubber upstream of the cab in the ventilation system is continuously fed with fresh water while the continuously scrubbed water is collected and fed to the dispensing system as a result, the air entering the cab can be thoroughly cleaned without requiring expensive monitoring equipment.