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Inventor

James Crabb

Inventor
Arbroath, GB

Overview

6→
Patents
1996–2015
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 6 as inventor

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

E21Bprimary
E21BEarth or rock drilling56%
A61BDiagnosis11%
A61LMethods or apparatus for sterilising materials or objects in general11%
B08BCleaning in general11%
F16KValves11%
PatentTitleYear
9,163,480'Decoupling a remote actuator of a well tool'20158,602,116'Sequenced packing element system'20138,397,803'Packing element system with profiled surface'20137,758,016'Ball valve'20105,535,826'Well-head structures'19965,524,357'Instrument cleaner with converging steam jets'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to EAGLE VISION INC (1)· patent assignee history
1996Patents assigned to PETROLEUM ENG SERVICES (1)· patent assignee history
1996Based in Aberdeen, GB· patent location history
1996Based in Germantown, TN, US· patent location history
2010–2013Patents assigned to HALLIBURTON ENERGY SERV INC (3)· patent assignee history
2010–2015Based in Arbroath, GB· patent location history
2013Patents assigned to CRABB JAMES (2)· patent assignee history
2013Based in Arbrouth, GB· patent location history
2015Patents assigned to HALLIBURTON ENERGY SERVICES INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HALLIBURTON ENERGY SERV INC32010–2013
CRABB JAMESself22013
EAGLE VISION INC11996
HALLIBURTON ENERGY SERVICES INC12015
PETROLEUM ENG SERVICES11996
Locations
LocationPatentsSpan
Arbroath, GB22010–2015
Arbrouth, GB22013
Aberdeen, GB11996
Germantown, TN, US11996