Broken Arrow, Oklahoma
United States
5
2012-12-20
The entities that hold a legal rights for patent applications filed by inventor May Michael J.:
Michael J. May from Broken Arrow, US has applied for patents for these inventions. The list has both pending applications and granted patents:
TUBULAR VALVING SYSTEM, BODY AND METHOD OF OPENING
#2 | 2011-02-17Permanent magnet linear motor actuated safety valve and method
#3 | 2010-08-12Pressure equalization device for downhole tools
#4 | 2010-05-27Downhole decelerating device, system and method
#5 | 2008-09-18Downhole barrier valve
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