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Nigel N. Clark
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Morgantown, WV, US
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Patents Grants
last 30 patents
Information
Patent Grant
Methane watchdog system, a cost effective approach to longwall meth...
Patent number
12,031,888
Issue date
Jul 9, 2024
West Virginia University
Derek Johnson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for reducing pollutants in engine exhaust
Patent number
7,571,600
Issue date
Aug 11, 2009
West Virginia University
Nigel N Clark
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Axial vane rotary device and sealing system therefor
Patent number
5,551,853
Issue date
Sep 3, 1996
Regi U.S., Inc.
Brian W. Cherry
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Rotary device with slidable vane supports
Patent number
5,509,793
Issue date
Apr 23, 1996
Regi U.S., Inc.
Brian W. Cherry
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Axial vane rotary device and sealing system therefor
Patent number
5,429,084
Issue date
Jul 4, 1995
Sky Technologies, Inc.
Brian W. Cherry
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Information
Patent Application
GAS SPARGER HEAD FOR AIRLIFT GEOTHERMAL SYSTEMS
Publication number
20230175365
Publication date
Jun 8, 2023
Terence Musho
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
METHANE WATCHDOG SYSTEM, A COST EFFECTIVE APPROACH TO LONGWALL METH...
Publication number
20210348988
Publication date
Nov 11, 2021
West Virginia University Board of Governors on behalf of West Virginia Univer...
Derek Johnson
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and apparatus for reducing pollutants in engine exhaust
Publication number
20060107654
Publication date
May 25, 2006
West Virginia University
Nigel N. Clark
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL