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:
Aug. 16, 1988
Filed:
Nov. 07, 1986
Applicant:
Inventors:
Wesley D Hartwigsen, Gillette, WY (US);
Alan D Johnson, Gillette, WY (US);
Jeffrey C Beckham, Gillette, WY (US);
Kenneth L White, Gillette, WY (US);
Assignee:
Shell Mining Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B / ;
U.S. Cl.
CPC ...
134-8 ; 134-6 ; 134 221 ; 134 2211 ; 134 2212 ; 134 23 ; 51317 ;
Abstract
A silo which is impeded by a mass of cohering particles is cleaned by extending at least one flexible tube connected to a mace into the silo to near the coherent mass and flowing gas through the tube and mace at a rate and pressure causing swinging and writhing movements by the mace and tube.