Houston, Texas
United States
14
2022-02-10
The entities that hold a legal rights for patent applications filed by inventor Clapper Dennis K.:
Dennis K. Clapper from Houston, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Stabilized water-dispersible latex additives for drilling fluids
#2 | 2019-07-25ELECTRICALLY CONDUCTIVE OIL-BASED FLUIDS
#3 | 2018-09-06Polymer-modified asphalt for drilling fluid applications
#4 | 2018-02-22Liquid loaded powders made from hybrid calcium carbonate for oil and gas drilling fluids
#5 | 2016-11-10DOWNHOLE FLUID COMPOSITIONS AND METHODS OF USING CARBON BLACK PARTICLES
#6 | 2016-01-21Electrically conductive oil-based fluids
#7 | 2013-08-22Lubricating compositions for use with downhole fluids
#8 | 2012-12-27Estimating drill cutting origination depth using marking agents
#9 | 2010-08-19Drilling fluids with redispersible polymer powders
#10 | 2008-07-01Water-based drilling fluids using latex additives
#11 | 2007-09-18Fluid loss control and sealing agent for drilling depleted sand formations
#12 | 2006-11-30Drilling fluids with redispersible polymer powders
#13 | 2006-06-01Method and drilling fluid systems and lost circulation pills adapted to maintain the particle size distribution of component latex particles before and after freezing of the latex particles in the presence of water
#14 | 2005-09-08Method for lubricating and/or reducing corrosion of drilling equipment
403100 ⎘