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:
Aug. 15, 2023
Filed:
Dec. 04, 2020
Applicant:
Backer Ehp Inc., Murfreesboro, TN (US);
Inventors:
Kevin M. Clyne, Edgewater, NJ (US);
Jimmy Hjort Andersson, Copenhagen, DK;
Assignee:
Backer EHP Inc., Murfreesboro, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01B 7/24 (2006.01); H03K 7/08 (2006.01);
U.S. Cl.
CPC ...
E01B 7/24 (2013.01); H03K 7/08 (2013.01);
Abstract
An embodiment of a rail switch heating system is disclosed, including a controller comprising a processor and memory, an electrically resistive heating element coupled to the controller, the heating element configured for mounting to and heating a railroad rail, and software stored on the memory for executing the steps of: (a) automatically determining a pulse width modulated (PWM) cycle corresponding to a target energy consumption for cycling the heating element on and off; and (b) cycling the heating element on and off according to the PWM cycle.