CVT belt with chromium nitride coating

United States of America Patent

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Nov 13, 2007
Grant Date
Aug 25, 2005
app pub date
Feb 24, 2004
filing date
Feb 24, 2004

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Expired

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Abstract

A belt for a continuously variable transmission (CVT) includes at least one continuous band supported against a contact face in a slot formed in each of a plurality of transverse elements of the CVT. The band has a surface positioned against the contact face. This surface is coated with chromium nitride by physical vapor deposition to reduce wear.

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Patent Owner(s)

Patent Owner	Address
GM GLOBAL TECHNOLOGY OPERATIONS LLC	P O BOX 300 DETROIT MI 48265-3000

International Classification(s)

F16G:BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DR....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Cheng, Yang-Tse	Rochester Hills, MI	37	368
Khan, Sohail A	Farmington, MI	2	26
Lukitsch, Michael J	Port Huron, MI	26	272
Sarkar, Reuben	Graz, AT	31	500
Wang, Yucong	West Bloomfield, MI	71	507
Weiner, Anita M	West Bloomfield, MI	13	112
Zhou, Beizhi	Troy, MI	2	26

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CVT belt with chromium nitride coating

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10785691

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PATENT NO	7294077
APP PUB NO	20050187056A1
SERIAL NO	10785691
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 13, 2007	US,7294077,B2 US7294077B2	GRANTED PATENT AS SECOND PUBLICATION
August 25, 2005	US,20050187056,A1 US20050187056A1	FIRST PUBLISHED PATENT APPLICATION

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10785691

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