Katy, Texas
United States
15
2016-01-28
The entities that hold a legal rights for patent applications filed by inventor Lassek John:
John Lassek from Katy, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Method of propping agent delivery to the well
#2 | 2015-05-14Sealing by ball sealers
#3 | 2013-07-04Method and system for treating a subterranean formation using diversion
#4 | 2013-05-02Methods for providing proppant slugs in fracturing treatments
#5 | 2011-09-22Diversion by combining dissolvable and degradable particles and fibers
#6 | 2011-08-04Method and system for treating a subterranean formation using diversion
#7 | 2010-11-11Method of propping agent delivery to the well
#8 | 2010-09-30Method for oilfield material delivery
#9 | 2009-10-15Sealing by ball sealers
#10 | 2009-04-02SLIDING SLEEVE VALVE ASSEMBLY WITH SAND SCREEN
#11 | 2008-11-27Degradable material assisted diversion or isolation
#12 | 2008-08-21Degradable material assisted diversion or isolation
#13 | 2008-03-13Friction reduction fluids
#14 | 2008-01-03Method and system for treating a subterranean formation using diversion
#15 | 2006-06-01Degradable material assisted diversion or isolation
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