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Inventor

Robert B. Carpenter

Inventor
Hurst, TX, US

Overview

27→
Patents
1986–2013
Patent span
Chemistry
Primary field (CPC C)

Patents· 27 as inventor

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

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere35%
C04BLime, magnesia25%
E21BEarth or rock drilling21%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
F16LPipes2%
H03HImpedance networks, e.g. resonant circuits2%
H04BTransmission2%
H04MTelephonic communication2%
H04QSelecting2%
PatentTitleYear
8,353,351'System and method for regulating pressure within a well annulus'20138,100,179'Production and delivery of a fluid mixture to an annular volume of a wellbore'20127,290,609'Subterranean well secondary plugging tool for repair of a first plug'20077,156,172'Method for accelerating oil well construction and production processes and heating device therefor'20076,474,414'Plug for tubulars'20026,088,440'Method and apparatus for operating a telephone exchange having selectable audio sources'20005,989,336'Cement composition'19995,874,387'Method and cement-drilling fluid cement composition for cementing a wellbore'19995,866,517'Method and spacer fluid composition for displacing drilling fluid from a wellbore'19995,789,352'Well completion spacer fluids and methods'19985,566,757'Method and apparatus for setting sidetrack plugs in open or cased well bores'19965,529,123'Method for controlling fluid loss from wells into high conductivity earth formations'19965,372,641'Cement slurries for wells'19945,368,103'Method of setting a balanced cement plug in a borehole'19945,339,902'Well cementing using permeable cement'19945,292,367'Dispersant compositions for subterranean well drilling and completion'19945,211,238'Method using micro-sphere cement slurries for deviated wells'19935,188,176'Cement slurries for diviated wells'19935,113,943'Spacer fluids'19925,030,366'Spacer fluids'19915,005,646'Accelerating set of retarded cement'19914,976,316'Method of accelerating set of cement by washover fluid containing alkanolamine'19904,967,839'Method and composition for cementing in a wellbore'19904,953,620'Accelerating set of retarded cement'19904,883,125'Cementing oil and gas wells using converted drilling fluid'19894,792,915'Non linear adaptive filters'19884,569,395'Matrix control cementing slurry'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2000Patents assigned to BRITISH TELECOMM (2)· patent assignee history
1988–2000Based in Ipswich, GB· patent location history
1989–1999Patents assigned to ATLANTIC RICHFIELD CO (18)· patent assignee history
1989–1994Based in Hurst, TX, US· patent location history
1994–1998Patents assigned to HALLIBURTON CO (4)· patent assignee history
1994–1999Based in Allen, TX, US· patent location history
2002–2007Based in Sugar Land, TX, US· patent location history
2012–2013Patents assigned to CARPENTER ROBERT B (2)· patent assignee history
2012–2013Patents assigned to CHEVRON USA INC (2)· patent assignee history
2012–2013Based in Tomball, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ATLANTIC RICHFIELD CO181989–1999
HALLIBURTON CO41994–1998
BRITISH TELECOMM21988–2000
CARPENTER ROBERT Bself22012–2013
CHEVRON USA INC22012–2013
Locations
LocationPatentsSpan
Hurst, Texas, US101989–1994
Allen, Texas, US91994–1999
Sugar Land, Texas, US32002–2007
Tomball, Texas, US22012–2013
Ipswich, GB21988–2000