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:
Nov. 10, 1987
Filed:
Jul. 31, 1986
Applicant:
Inventors:
Curtis J Sathre, Jr, Fresno, CA (US);
Mark R Thornton, Fresno, CA (US);
Assignee:
Duncan Enterprises, Fresno, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
219492 ; 219493 ; 219508 ; 219494 ; 219490 ; 236 / ; 432 51 ;
Abstract
A heating control apparatus for exciting the heating element of a kiln or the like. The heating control apparatus includes an interval timer that produces a pulse of electricity having a predetermined duration of time, a fixed timer adapted to open and close an electrical path, and a power relay connected to the heating element and which is adapted to excite the heating element for selected periods of time in response to the operation of the fixed and interval timers.