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:
Dec. 03, 1985
Filed:
Oct. 17, 1983
Applicant:
Inventors:
Josef Pausch, Minnetonka, MN (US);
David A Sorenson, Hopkins, MN (US);
Assignee:
General Resource Corp., Hopkins, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05B / ;
U.S. Cl.
CPC ...
23953313 ; 137860 ; 222195 ; 406137 ;
Abstract
Apparatus for attachment to the side wall of a hopper or bin, having connections to an extenal source of pressurized air, and having an annular orifice internal to the hopper or bin, wherein the annular orifice is covered by a resilient ring, thereby pemitting the flow of pressurized air outwardly through the annular orifice while protecting the annular orifice from contamination and plugging by materials stored in the bin or hopper.