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. 27, 1976
Filed:
Nov. 04, 1974
Applicant:
Inventors:
Walter Eck, Munich, DT;
Walter Heywang, Neukeferloh, Munich, DT;
Assignee:
E.G.O. Elektro-Geraete Blanc und Fischer, Oberderdingen, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
219464 ; 219465 ; 219505 ; 219543 ; 338 / ;
Abstract
An electrical cooking unit comprising a cover on which cooking can take place, heating resistors in the form of PTC resistor elements being distributed over the underside of the cover, the PTC resistor elements being made of a PTC resistor material, the resistance of which varies as a step function of temperature, and being distributed over the underside of the cover to provide zones on the cover of varying energy density and/or varying step temperature of the PTC resistors.