Gregory A. Dougherty SR.

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Gillette, WY, US

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Patents Grantslast 30 patents

Information Patent Grant
Rotatable tubing anchor
- Patent number 9,169,703
- Issue date Oct 27, 2015
- Triple D Rotation, LLC
- Don Larsen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multiple well header system for collection of methane coal gas
- Patent number 6,119,711
- Issue date Sep 19, 2000
- Greg A. Dougherty
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
ROTATABLE TUBING ANCHOR
- Publication number 20140262343
- Publication date Sep 18, 2014
- Don Larsen
- E21 - EARTH DRILLING MINING
Information Patent Application
Apparatus and method for creating a vortex flow
- Publication number 20070247969
- Publication date Oct 25, 2007
- Ecotechnology, Ltd.
- Gregory A. Dougherty
- E21 - EARTH DRILLING MINING
Information Patent Application
Apparatus and method for creating a vortex flow
- Publication number 20050039813
- Publication date Feb 24, 2005
- Gregory A. Dougherty
- E21 - EARTH DRILLING MINING