Midland, Texas
United States
5
2012-10-04
The entities that hold a legal rights for patent applications filed by inventor Smith David R.:
David R. Smith from Midland, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Method and apparatus to treat well stimulation fluids in-situ
#2 | 2012-09-20Methods and systems to harvest energy from the earth
#3 | 2012-08-23CONDUIT ASSEMBLY AND METHOD OF MAKING AND USING SAME
#4 | 2011-12-01Method and apparatus to control fluid flow from subsea wells
#5 | 2011-09-01Method and apparatus to release energy in a well
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