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. 30, 2005
Filed:
Sep. 28, 1999
Applicants:
William J. Mayer, Hales Corners, WI (US);
Douglas Cleereman, Greendale, WI (US);
David Fisher, Brookfield, WI (US);
Milan Damjanovich, Milwaukee, WI (US);
Inventors:
William J. Mayer, Hales Corners, WI (US);
Douglas Cleereman, Greendale, WI (US);
David Fisher, Brookfield, WI (US);
Milan Damjanovich, Milwaukee, WI (US);
Assignee:
Rockwell Automation Technologies, Inc., Mayfield Heights, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H009/08 ;
U.S. Cl.
CPC ...
Abstract
A system for electrically isolating and indicating electrical isolation of a machine including a plurality of relays which cooperate to, when electrical isolation is selected, ground voltage input lines to the machine thereby ensuring that no power is provided to the machine during operator access thereto.