Mark S. Megill

Follow

Person

Tulsa, OK, US

People

Patents Grantslast 30 patents

Information Patent Grant
Flapper equalizer with integral spring
- Patent number 9,255,463
- Issue date Feb 9, 2016
- Baker Hughes Incorporated
- Mark S. Megill
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multi-stage pressure equalization valve assembly for subterranean v...
- Patent number 8,534,361
- Issue date Sep 17, 2013
- Baker Hughes Incorporated
- Kevin R. Plunkett
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Undulating transverse interface for curved flapper seal
- Patent number 5,918,858
- Issue date Jul 6, 1999
- Baker Hughes Incorporated
- Michael S. Rawson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Undulating transverse interface for curved flapper seal
- Patent number 5,682,921
- Issue date Nov 4, 1997
- Baker Hughes Incorporated
- Michael S. Rawson
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Threaded Connection with Secure Shoulder Ring for Electrical Submer...
- Publication number 20160084050
- Publication date Mar 24, 2016
- BAKER HUGHES INCORPORATED
- John Jay Mack
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Flapper Equalizer with Integral Spring
- Publication number 20140158362
- Publication date Jun 12, 2014
- BAKER HUGHES INCORPORATED
- Mark S. Megill
- E21 - EARTH DRILLING MINING
Information Patent Application
Multi-stage Pressure Equalization Valve Assembly for Subterranean V...
- Publication number 20110079394
- Publication date Apr 7, 2011
- Kevin R. Plunkett
- E21 - EARTH DRILLING MINING