Spring, Texas
United States
5
2011-07-07
The entities that hold a legal rights for patent applications filed by inventor McElfresh Paul:
Paul McElfresh from Spring, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Shape memory polyurethane foam for downhole sand control filtration devices
#2 | 2010-04-15Shape memory polyurethane foam for downhole sand control filtration devices
#3 | 2009-03-26Apparatus for providing a temporary degradable barrier in a flow pathway
#4 | 2006-11-16Acoustic inhibition of hydrates, scales and paraffins
#5 | 2005-05-05Method for providing a temporary barrier in a flow pathway
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