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:
May. 25, 1993
Filed:
Feb. 12, 1992
Applicant:
Inventors:
William J Black, Coon Rapids, MN (US);
Joseph W Kieffer, Maple Grove, MN (US);
Darrell D Brown, Grafton, WI (US);
Tom D Tagliapietra, Glendale, WI (US);
Assignee:
IMI Cornelius Inc., Anoka, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ; F25C / ;
U.S. Cl.
CPC ...
62 73 ; 62351 ; 165 64 ; 219481 ; 219506 ;
Abstract
The present invention concerns improvements in electric defrost heaters used in frozen carbonated beverage machines. The frozen carbonated beverage machine includes freeze cylinders used to produce the frozen beverage. One or more tubes are secured in heat exchange relationship along the exterior of the freeze cylinder. Cartridge type heating elements are releasably insertable into the tubes to provide for defrosting of the beverage in the freeze cylinder.