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. 03, 1987
Filed:
Jan. 11, 1985
Applicant:
Inventors:
Cor F Van Egmond, Houston, TX (US);
Peter Van Meurs, Houston, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; H05B / ;
U.S. Cl.
CPC ...
219278 ; 166 60 ; 166302 ;
Abstract
An electrical resistance heater capable of generating heat at different rates at different locations along its length comprises a continuous and unitary electrical conductor having a thickness which is different at different locations along its length.
Quick Actions:
Van Egmond, Cor. (1987). Heating rate variant elongated electrical resistance heater (U.S. Patent No. 4704514). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4704514
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile