LexDanaLexDanabeta
Inventor

Richard A. Plumb

Inventor
Tarrytown, NY, US

Overview

6→
Patents
1989–2000
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

E21Bprimary
E21BEarth or rock drilling43%
G01VGeophysics43%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
PatentTitleYear
6,078,867'Method and apparatus for generation of 3D graphical borehole analysis'20005,517,854'Methods and apparatus for borehole measurement of formation stress'19965,353,637'Methods and apparatus for borehole measurement of formation stress'19945,335,542'Integrated permeability measurement and resistivity imaging tool'19944,888,740'Differential energy acoustic measurements of formation characteristic'19894,870,627'Method and apparatus for detecting and evaluating borehole wall fractures'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2000Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (5)· patent assignee history
1989–1996Based in Tarrytown, NY, US· patent location history
1994Patents assigned to DAVE YOGESH S (1)· patent assignee history
1994Patents assigned to PLUMB RICHARD A (1)· patent assignee history
1994Based in Cambridge, GB· patent location history
2000Based in Houston, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SCHLUMBERGER TECHNOLOGY CORP51989–2000
DAVE YOGESH S11994
PLUMB RICHARD Aself11994
Locations
LocationPatentsSpan
Tarrytown, New York, US41989–1996
Houston, Texas, US12000
Cambridge, GB11994