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. 17, 2010
Filed:
Aug. 24, 2005
Applicants:
Jean-marc Scherrer, Riedisheim, FR;
Jean-paul Scherrer, Brunstalt, FR;
Jean-claude Beisser, L'Argentière la Bessée, FR;
Inventors:
Jean-Marc Scherrer, Riedisheim, FR;
Jean-Paul Scherrer, Brunstalt, FR;
Jean-Claude Beisser, L'Argentière la Bessée, FR;
Assignee:
Brevetix, Kembs, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A45D 20/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
An installation for heating grounds, in particular sports grounds, using cables () supplied with electric current which are buried in the ground. The installation is characterized in that the surface of the grounds to be heated is divided into a number of sectors (), and each sector is heated by at least two heating lines (″) constituting each a secondary of a common transformer (et).