Inventor
BURKHARD ALAN
US4 patents
Patents
4 patentsUS6575244B2Jun 10, 2003
System for controlling the operating pressures within a subterranean borehole
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US6679385B2Jan 20, 2004
Motor control system for vibrating screen separator
MI LLC48 citations91
US7478672B2Jan 20, 2009
Apparatus for controlling a pressure control assembly in a hazardous area
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US10030997B2Jul 24, 2018
Choke calibration, position, and/or time display
MI LLC2 citations68