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Inventor

David F. Allen

Inventor
Katy, TX, US

Overview

10→
Patents
1991–2019
Patent span
Physics
Primary field (CPC G)

Patents· 10 as inventor

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

G01Vprimary
G01VGeophysics39%
G01NInvestigating or analysing materials by determining their chemical or physical properties22%
A61KPreparations for medical, dental or toiletry purposes17%
G01RMeasuring electric variables17%
E21BEarth or rock drilling6%
PatentTitleYear
10,444,399Multiaxial well logging instrument response in dipping and crossbedded formations201910,353,107Petrophysically regularized time domain NMR inversion201910,330,817Petrophysically-regularized nuclear magnetic resonance inversion20197,617,050'Method for quantifying resistivity and hydrocarbon saturation in thin bed formations'20097,133,779'Automated borehole geology and petrophysics interpretation using image logs'20066,894,493'Method and apparatus for NMR measurement of magnetic materials'20056,115,671'Method for estimating rock petrophysical parameters using temperature modified NMR data'20005,223,497'Treating habit disorders'19935,114,942'Treating habit disorders'19925,059,600'Treating habit disorders'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1993Patents assigned to UNIV YALE (3)· patent assignee history
1991–1993Based in Nassau, BS· patent location history
2000–2019Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (6)· patent assignee history
2000–2006Based in Brookfield, CT, US· patent location history
2009Patents assigned to SCHLUMBERG TECHNOLOGY CORP (1)· patent assignee history
2009–2019Based in Katy, TX, US· patent location history
2019Patents assigned to SAUDI ARABIAN OIL CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SCHLUMBERGER TECHNOLOGY CORP62000–2019
UNIV YALE31991–1993
SAUDI ARABIAN OIL CO12019
SCHLUMBERG TECHNOLOGY CORP12009
Locations
LocationPatentsSpan
Katy, Texas, US42009–2019
Brookfield, CT, US32000–2006
Nassau, BS31991–1993