Par
United Kingdom
5
2009-11-05
The entities that hold a legal rights for patent applications filed by inventor Sawdon Christopher A.:
Christopher A. Sawdon from Par, GB has applied for patents for these inventions. The list has both pending applications and granted patents:
Additive for increasing the density of an oil-based fluid and fluid comprising such additive
#2 | 2009-05-14Additive for increasing the density of a fluid for casing annulus pressure control
#3 | 2007-09-11Additive for increasing the density of an oil-based fluid and fluid comprising such additive
#4 | 2006-08-24Additive for increasing the density of a fluid for casing annulus pressure
#5 | 2005-03-01Internal breaker
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