Roger O'Quinn

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Blacksburg, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Wethead seal design for continuous mining machine
- Patent number 8,967,730
- Issue date Mar 3, 2015
- Caterpillar Global Mining America LLC
- Darren Brent Antoine
- E21 - EARTH DRILLING MINING
Information Patent Grant
Battery-powered mining vehicle
- Patent number 8,292,015
- Issue date Oct 23, 2012
- Caterpillar Global Mining America LLC
- Roger L. O'Quinn
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method and apparatus for safety protection of temporary roof support
- Patent number 6,945,738
- Issue date Sep 20, 2005
- DBT America
- Roger O'Quinn
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
WETHEAD SEAL DESIGN FOR CONTINUOUS MINING MACHINE
- Publication number 20150001912
- Publication date Jan 1, 2015
- Caterpillar Global Mining America, LLC
- DARREN BRENT ANTOINE
- E21 - EARTH DRILLING MINING
Information Patent Application
BATTERY-POWERED MINING VEHICLE
- Publication number 20120018235
- Publication date Jan 26, 2012
- Bucyrus America, Inc.
- Roger L. O'Quinn
- B60 - VEHICLES IN GENERAL
Information Patent Application
CRAWLER TRACK HAVING REPLACEABLE CAULKS
- Publication number 20110140510
- Publication date Jun 16, 2011
- Bucyrus America Inc.
- Roger O'Quinn
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Method and apparatus for safety protection of temporary roof support
- Publication number 20050073189
- Publication date Apr 7, 2005
- Roger O'Quinn
- E21 - EARTH DRILLING MINING