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. 12, 2019
Filed:
Apr. 15, 2016
Watlow Electric Manufacturing Company, St. Louis, MO (US);
Scott Boehmer, Hannibal, MO (US);
Dennis P. Long, Monroe City, MO (US);
Rolando O. Juliano, Vista, CA (US);
Watlow Electric Manufacturing Company, St. Louis, MO (US);
Abstract
A heater includes a resistance coil, a first conducting pin and a second conducting pin. The resistance coil includes a first end connected to the first conducting pin, and a second end connected to the second conducting pin. The resistance coil defines a first portion adjacent the first end, a second portion adjacent the second end, and a third portion disposed between the first portion and the second portion. At least one of the first, second, and third portions has a continuously variable pitch along its length.