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. 16, 2003
Filed:
Aug. 07, 2002
Applicant:
Inventors:
Shinji Kondo, Toyonaka, JP;
Youji Uetani, Amagasaki, JP;
Yoshiki Hama, Nishinomiya, JP;
Jun Iguchi, Kato-gun, JP;
Harumi Tasaki, Osaka, JP;
Atsushi Fujisawa, Osaka, JP;
Sadatsugu Higashide, Osaka, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 6/10 ;
U.S. Cl.
CPC ...
H05B 6/10 ;
Abstract
A thawing device for railway track points is constituted by connecting a heating coil ( ) wound around a floor plate ( ) for heating the floor plate ( ) by induction to an inverter device ( ) for supplying high-frequency current to the heating coil ( ), via a connection cable ( ); and providing a protection against magnetism ( ) about the periphery of the heating coil ( ) and the connection cable ( ).