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Inventor

William T. Bell

Inventor
Huntsville, TX, US

Overview

35→
Patents
1979–2020
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 35 as inventor

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

E21Bprimary
E21BEarth or rock drilling50%
F42BExplosive charges, e.g. for blasting, fireworks, ammunition22%
F42DBlasting17%
G01VGeophysics5%
C07CAcyclic or carbocyclic compounds2%
F16JPistons2%
F42CAmmunition fuzes2%
H04BTransmission2%
PatentTitleYear
10,538,984Mini-severing and back-off tool with pressure balanced explosives202010,240,421String shot back-off tool with pressure-balanced explosives201910,161,197Well tool centralizer systems and methods201810,077,617Well tool centralizer systems and methods201810,047,591Apparatus and methods for shaped charge tubing cutters20189,879,494'High energy severing tool with pressure balanced explosives'20189,657,544'Drill collar severing tool'20179,435,170'High energy severing tool with pressure balanced explosives'20169,428,979'Shaped charge casing cutter'20169,038,713'Shaped charge casing cutter'20159,022,116'Shaped charge tubing cutter'20158,939,210'Drill collar severing tool'20158,919,236'Perforating gun drop sub'20148,770,301'Explosive well tool firing head'20148,302,523'Explosive well tool firing head'20128,302,534'Radial-linear shaped charge pipe cutter'20128,136,439'Explosive well tool firing head'20127,698,982'Explosive pipe severing tool'20107,661,367'Radial-linear shaped charge pipe cutter'20107,536,942'Explosive pipe severing tool'20097,530,397'Explosive pipe severing tool'20097,195,066'Engineered solution for controlled buoyancy perforating'20077,146,913'Shaped charge tubing cutter'20067,073,448'Shaped charge tubing cutter'20066,959,765'Explosive pipe severing tool'20056,942,034'Extent of detonation determination method using seismic energy'20056,928,030'Seismic defense system'20056,885,918'Seismic monitoring and control method'20056,644,099'Shaped charge tubing cutter performance test apparatus and method'20036,584,406'Downhole process control method utilizing seismic communication'20034,871,179'Inflatable packer with roughened mandrel'19894,744,421'Inflatable packer systems'19884,450,768'Shaped charge and method of making it'19844,292,895'Explosive safe-arming apparatus for perforating guns'19814,149,018'Compound CHCl.sub.2 -O-CHF-CHF.sub.2'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Based in Macclesfield, GB· patent location history
1981–2012Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (3)· patent assignee history
1981Based in Houston, TX, US· patent location history
1984Based in Sugarland, TX, US· patent location history
1988–2020Based in Huntsville, TX, US· patent location history
2003–2005Patents assigned to GEOX SYSTEMS LTD (4)· patent assignee history
2005–2010Patents assigned to TITAN SPECIALTIES LTD (6)· patent assignee history
2007–2020Patents assigned to BELL WILLIAM T (18)· patent assignee history
2012–2016Based in Hunstville, TX, US· patent location history
2015–2020Patents assigned to RAIRIGH JAMES G (12)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BELL WILLIAM Tself182007–2020
RAIRIGH JAMES G122015–2020
TITAN SPECIALTIES LTD62005–2010
GEOX SYSTEMS LTD42003–2005
SCHLUMBERGER TECHNOLOGY CORP31981–2012
Locations
LocationPatentsSpan
Huntsville, Texas, US301988–2020
Hunstville, Texas, US22012–2016
Sugarland, Texas, US11984
Houston, Texas, US11981
Macclesfield, GB11979