Inventor

Percy T. Cox

Inventor

Houston, TX, US

Overview

23→

Patents

1976–1993

Patent span

Physics

Primary field (CPC G)

Patents· 23 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G01Vprimary

G01VGeophysics59%

G01NInvestigating or analysing materials by determining their chemical or physical properties17%

G01FMeasuring volume, volume flow, mass flow or liquid level7%

Y02ATechnologies for adaptation to climate change7%

E21BEarth or rock drilling3%

G01CMeasuring distances, levels or bearings3%

G01RMeasuring electric variables3%

PatentTitleYear

5,272,444'Dielectric cross-plot water cut monitoring apparatus and method'1993 5,249,455'B S & W measuring means and method'1993 5,095,758'Water cut monitoring means and method'1992 5,070,725'Water-cut monitoring means and method'1991 5,033,289'Water cut monitoring means and method'1991 4,972,149'Electromagnetic propagation thin bed resistivity well logging system and method'1990 4,897,605'Deep penetration well logging system and method'1990 4,774,471'Complex dielectric constant well logging means and method for determining the water saturation and the water resistivity of an earth formation'1988 4,730,161'Dual frequency well logging system for determining the water resistivity and water saturation of an earth formation'1988 4,703,278'Well logging disc coil receiving means and method'1987 4,700,141'Deep penetration well logging sonde'1987 4,687,995'Secondary field dielectric constant and/or resistivity well logging system and method'1987 4,636,731'Propagation anisotropic well logging system and method'1987 4,622,518'Deep penetration well logging system and method using secondary electromagnetic fields'1986 4,609,873'Dielectric well logging system with at least three transmitter coils and at least two receiver coils for determining resistivity and dielectric constant of a subsurface formation adjacent a fluid invaded zone of the formation'1986 4,599,566'High transmitting power deep penetration well logging sonde'1986 4,594,551'Method of deep penetration well logging using three receivers'1986 4,401,947'Small hole well logging sonde and system with transmitter and receiver assemblies'1983 4,107,597'Electromagnetic wave propagation well logging utilizing multiple phase shift measurement'1978 4,107,598'Electromagnetic wave logging system for determining resistivity and dielectric constant of earth formations'1978 4,012,689'Radio frequency resistivity and dielectric constant well logging utilizing phase shift measurement'1977 3,993,944'Movable oil measurement combining dual radio frequency induction and dual induction laterolog measurements'1976 3,947,664'Highly accurate odometer'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1993Patents assigned to TEXACO INC (23)· patent assignee history

1976–1993Based in Houston, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TEXACO INC	23	1976–1993

Locations

Location	Patents	Span
Houston, Texas, US	23	1976–1993