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:
Jan. 21, 1992
Filed:
Sep. 08, 1988
Applicant:
Inventors:
Kam B Lee, Chelmsford, MA (US);
Allan C Morgan, Manchester, MA (US);
L Willard Richards, Santa Rosa, CA (US);
Dan K Puckett, Pampa, TX (US);
Assignee:
Cabot Corporation, Waltham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B / ;
U.S. Cl.
CPC ...
134-1 ; 134 17 ; 134 21 ; 134 2212 ; 134 2218 ; 134 37 ; 137 15 ; 164132 ;
Abstract
Particles adhering to the internal surfaces of an object are removed by the movement of a shock wave past the surfaces. The shock wave is generated by the explosion of a gas in a chamber located inside the object. The invention has particular application for use in cleaning process equipment.