House; Roy F.

Patent Applications and Registrations

Patent applications and USPTO patent grants for House; Roy F..The latest application filed is for "oil base fluids and organophilic tannin-containing compositions to lower the fluid loss thereof".

Company Profile

0.32.5

House; Roy F. - Houston TX

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Oil Base Fluids and Organophilic Tannin-Containing Compositions to Lower the Fluid Loss Thereof App 20080171670 - Cowan; Jack C. ; et al.	2008-07-17
Anhydride-modified chitosan, method of preparation thereof, and fluids containing same Grant 6,780,822 - Cowan , et al. August 24, 2	2004-08-24
Anhydride-modified chitosan, method of preparation thereof, and fluids containing same Grant 6,656,885 - House , et al. December 2, 2	2003-12-02
Anhydride-modified chitosan, method of preparation thereof, and fluids containing same App 20030153467 - Cowan, Jack C. ; et al.	2003-08-14
Anhydride-modified chitosan, method of preparation thereof, and fluids containing same App 20020098987 - House, Roy F. ; et al.	2002-07-25
Aphron-containing well drilling and servicing fluids of enhanced stability Grant 6,422,326 - Brookey , et al. July 23, 2	2002-07-23
Viscosified aqueous chitosan-containing well drilling and servicing fluids Grant 6,358,889 - Waggenspack , et al. March 19, 2	2002-03-19
Viscosified aqueous chitosan-containing well drilling and servicing fluids Grant 6,291,404 - House September 18, 2	2001-09-18
Viscosified aqueous chitosan-containing well drilling and servicing fluids App 20010009889 - Waggenspack, John H. ; et al.	2001-07-26
Viscosified aqueous chitosan-containing well drilling and servicing fluids App 20010008875 - House, Roy F.	2001-07-19
Chitosan-containing well drilling and servicing fluids Grant 6,258,755 - House , et al. July 10, 2	2001-07-10
Aphron-containing well drilling and servicing fluids of enhanced stability Grant 6,123,159 - Brookey , et al. September 26, 2	2000-09-26
Polysaccharide-containing well drilling and servicing fluids Grant 5,916,849 - House June 29, 1	1999-06-29
Scoopable cat litter and method Grant 5,230,305 - House July 27, 1	1993-07-27
Lightweight particulate cementitious materials and process for producing same Grant 5,207,830 - Cowan , et al. May 4, 1	1993-05-04
Clumping cat litter Grant 5,188,064 - House February 23, 1	1993-02-23
Seepage loss reducing additive for well working compositions and uses thereof Grant 5,076,944 - Cowan , et al. * December 31, 1	1991-12-31
Well working compositions, method of decreasing the seepage loss from such compositions, and additive therefor Grant 5,071,575 - House , et al. * December 10, 1	1991-12-10
Well working compositions, method of decreasing the seepage loss from such compositions, and additive therefor Grant 5,004,553 - House , et al. April 2, 1	1991-04-02
Organophilic clay compositions Grant 4,960,740 - House , et al. October 2, 1	1990-10-02
Organophilic polymers Grant 4,956,104 - Cowan , et al. September 11, 1	1990-09-11
Organophilic modified polymers Grant 4,863,980 - Cowan , et al. September 5, 1	1989-09-05
Organophilic polyphenolic acid adducts Grant 4,853,465 - Cowan , et al. August 1, 1	1989-08-01
Polyphenolic acid adducts Grant 4,597,878 - House , et al. July 1, 1	1986-07-01
Compositions and method for thickening aqueous brines Grant 4,582,614 - House , et al. * April 15, 1	1986-04-15
Viscous heavy brines Grant 4,566,976 - House , et al. January 28, 1	1986-01-28
Hydrated hydroxyethyl cellulose compositions Grant 4,496,468 - House , et al. * January 29, 1	1985-01-29
Organophilic clay suspending agents Grant 4,464,274 - House August 7, 1	1984-08-07
Heavy brine viscosifiers Grant 4,439,333 - House , et al. March 27, 1	1984-03-27
Compositions and processes for using hydroxyethyl cellulose in heavy brines Grant 4,435,564 - House March 6, 1	1984-03-06
Concentrated hydrophilic polymer suspensions Grant 4,435,217 - House March 6, 1	1984-03-06
Dispersible hydrophilic polymer compositions Grant 4,427,556 - House , et al. * January 24, 1	1984-01-24
Organophilic clay gellants Grant 4,425,244 - House * January 10, 1	1984-01-10
Thickened heavy brines Grant 4,420,406 - House , et al. December 13, 1	1983-12-13
Compositions and method for thickening aqueous brines Grant 4,392,964 - House , et al. July 12, 1	1983-07-12
Organophilic clay gellants Grant 4,382,868 - House May 10, 1	1983-05-10
Spheroidal plastic coated magnetizable particles and their use in drilling fluids Grant 4,269,279 - House May 26, 1	1981-05-26

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