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:
Dec. 02, 2014
Filed:
Apr. 30, 2013
Applicant:
Siemens Industry, Inc., Alpharetta, GA (US);
Inventor:
Brian Hogan, Temecula, CA (US);
Assignee:
Siemens Industry, Inc., Alpharetta, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B61L 23/34 (2006.01); B61L 1/18 (2006.01); B61L 1/00 (2006.01);
U.S. Cl.
CPC ...
B61L 1/18 (2013.01); B61L 1/00 (2013.01);
Abstract
Track circuits and constant warning time devices that can make train direction determinations using multi-frequency track impedance measurements and combinations of frequency tuned shunts.
Hogan, Brian. (2014). Train direction detection via track circuits (U.S. Patent No. 8899530). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8899530
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile