Carbide or boride coated rotor for a positive displacement motor or pump

United States of America Patent

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Mar 7, 1995
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app pub date
Mar 18, 1993
filing date
Mar 18, 1993

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Abstract

A rotor for a positive displacement motor or pump in which the rotor is coated with a metal carbide and metal alloy coating or a metal boride and metal alloy coating to impart excellent wear-resistance and corrosion-resistance properties to the rotor when used in abrasive and/or corrosion resistance environmental.

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Patent Owner(s)

Patent Owner	Address
PRAXAIR S T TECHNOLOGY INC	441 SACKETT POINT ROAD NORTH HAVEN CT 06473

International Classification(s)

F01C:ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR EN....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Keshavan, Madapusi K	The Woodlands, TX	127	6299
Mendenhall, Melvin D	Friendswood, TX	2	144
Tucker, Jr Robert C	Brownsburg, IN	12	330

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Carbide or boride coated rotor for a positive displacement motor or pump

Number of patents in Portfolio can not be more than 2000

United States of America Patent

08032933

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PATENT NO	5395221
SERIAL NO	08032933
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08032933

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