MB

Marshall D. Bishop

PP Phillips Petroleum: 10 patents #173 of 1,401Top 15%
Chevron: 9 patents #523 of 4,788Top 15%
CO Conocophillips: 1 patents #472 of 954Top 50%
Overall (All Time): #218,333 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12049585 Wellbore drilling compositions Mario A. Ramirez 2024-07-30
11834594 Methods for drilling wellbores using thinner compositions Johnnie E. Anderson 2023-12-05
11814569 Drilling fluid lubricants Elan Watson, Christopher Jackson 2023-11-14
11098230 Methods for drilling wellbores using thinner compositions Johnnie E. Anderson 2021-08-24
11078395 Wellbore drilling compositions Mario A. Ramirez 2021-08-03
11008497 Sulfur-containing polyether surfactants for cement spacer fluids and other downhole applications Shawn M. Flom, Marcus D. Banks 2021-05-18
10787599 Sulfur-containing polyether surfactants for cement spacer fluids and other downhole applications Shawn M. Flom, Marcus D. Banks 2020-09-29
9328280 Additives for oil-based drilling fluids Willie P. Reneau, Frank E. Evans, John E. Anderson 2016-05-03
8759260 Wellbore fluid additives and methods of producing the same Jeffery R. Harris, Jeffery C. Gee, Carleton E. Stouffer 2014-06-24
6547710 Sulfonated rubber compositions and processes therefor and therewith Bharat B. Patel 2003-04-15
6159886 Clay composition containing a tannin and a method for producing bricks therefrom Orval G. Ward, Lowell A. Gray, Earnest W. McNickle 2000-12-12
5925182 Stable liquid suspension compositions Bharat B. Patel 1999-07-20
5834533 Stable liquid suspension compositions Bharat B. Patel 1998-11-10
5631313 Suspending medium for particulate material John E. Hostettler 1997-05-20
5132008 Preparation of bis(alkylthio) alkanes or bis(arylthio) alkanes and use thereof James E. Shaw 1992-07-21
5091448 Suspending medium for water soluble polymer John E. Hostettler 1992-02-25
5073253 Froth level measurement 1991-12-17
5041599 Catalytic synthesis of thionocarbamates from xanthates and amines Lowell A. Gray 1991-08-20
4735659 Compositions and a process for preparing water dispersible polymers 1988-04-05
4726912 Stable suspensions of carboxymethyl cellulose and their preparation Robert M. Parlman 1988-02-23