Method and apparatus for detecting elevator rope degradation using electrical resistance

United States of America Patent

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Oct 17, 2006
Grant Date
Mar 11, 2004
app pub date
Aug 12, 2003
filing date
Mar 29, 1999

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Abstract

A method and system for detecting or measuring defects in an elevator rope having electrically conductive tension members, whereby measured electrical resistance in the tension members is indicative of defects.

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Patent Owner(s)

Patent Owner	Address
OTIS ELEVATOR COMPANY	FARMINGTON CONNECTICUT 06032

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G01R:MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC V....

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Inventor Name	Address	# of filed Patents	Total Citations
Gieras, Jack F	Glastonbury, CT	2	68
Robar, Terry M	Canton, CT	3	78
Stucky, Paul A	Groton, CT	18	341
Veronesi, William A	Hartford, CT	71	946

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Method and apparatus for detecting elevator rope degradation using electrical resistance

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United States of America Patent

10639376

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PATENT NO	7123030
APP PUB NO	20040046540A1
SERIAL NO	10639376
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
October 17, 2006	US,7123030,B2 US7123030B2	GRANTED PATENT AS SECOND PUBLICATION
March 11, 2004	US,20040046540,A1 US20040046540A1	FIRST PUBLISHED PATENT APPLICATION

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10639376

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