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. 18, 2004
Filed:
Apr. 02, 2003
Applicant:
Inventor:
James L. Sherrill, Cookeville, TN (US);
Assignee:
Tutco, Inc., Cookeville, TN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 3/06 ;
U.S. Cl.
CPC ...
H05B 3/06 ;
Abstract
An open coil resistance heating apparatus uses a pair of twisted wires having a particular gauge and pitch as the resistance heating wire. Using the twisted pair of wires in the selected gauge and pitch results in significant cost reductions; less wire is needed to achieve the same heating capacity.