Cornwall
Great Britain (UK)
5
2011-06-23
The entities that hold a legal rights for patent applications filed by inventor Sawdon Christopher Alan:
Christopher Alan Sawdon from Cornwall, GB has applied for patents for these inventions. The list has both pending applications and granted patents:
METHOD OF CARRYING OUT A WLLBORE OPERATION
#2 | 2010-09-30Wellbore fluid
#3 | 2009-11-26WELLBORE FLUID
#4 | 2009-10-01Wellbore fluid comprising sulfonated copolymers with pendant alkyl groups
#5 | 2009-01-08Wellbore fluid comprising a base fluid and a particulate bridging agent
3406577 ⎘