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. 05, 1983
Filed:
Dec. 17, 1981
Applicant:
Inventor:
Carl P Griesdorn, Cincinnati, OH (US);
Assignee:
Planet Products Corporation, Cincinnati, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B30B / ; B32B / ;
U.S. Cl.
CPC ...
156359 ; 100 / ; 156285 ; 156366 ; 156368 ; 156382 ; 156579 ; 1565831 ; 219243 ;
Abstract
A heat transfer apparatus includes a dome type enclosure member with a heating element internally mounted within a dome formed within the member. The diaphragm cooperatively forms a variable volume chamber with the enclosure member and is movable toward the heating element under the impetus of atmospheric air as air is evacuated from chamber.