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:
Apr. 25, 2006
Filed:
May. 13, 2005
Applicants:
Bernhard Alexander Spalteholz, Surrey, CA;
Geoffrey Paul Nielsen, Vancouver, CA;
Inventors:
Bernhard Alexander Spalteholz, Surrey, CA;
Geoffrey Paul Nielsen, Vancouver, CA;
Assignee:
British Columbia Hydro and Power Authority, Vancouver, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B 49/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention is an apparatus used for cleaning equipment including extremely high voltage energized electrical equipment using a dry ice blasting stream as the cleaning agent. The apparatus comprises a cleaning wand and a heating mechanism for impeding the formation of condensation and/or frost on the outer surface of the wand, thereby enabling the wand to operate for prolonged periods of time.