Inventor

Jean Pierre Masson

Inventor

Richmond, TX, US

Overview

12→

Patents

1988–2008

Patent span

Physics

Primary field (CPC G)

Patents· 12 as inventor

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

G01Vprimary

G01VGeophysics35%

E21BEarth or rock drilling29%

G03CPhotosensitive materials for photographic purposes24%

B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general6%

C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel6%

PatentTitleYear

7,460,435'Acoustic transducers for tubulars'2008 7,367,392'Wellbore apparatus with sliding shields'2008 6,466,513'Acoustic sensor assembly'2002 6,117,315'Process and device for recycling washing water in photographic processing'2000 6,010,833'Process and device for recycling washing water in photographic processing'2000 5,846,697'Concentrated solution and kit for making a photographic color developer'1998 5,843,630'Concentrated solution and kit for making a photographic color developer'1998 5,796,677'Method of sonic logging while drilling a borehole traversing an earth formation'1998 5,152,952'Device for unclogging a lance intended to be inserted into a metallurgical vessel'1992 4,953,398'Method and apparatus for detecting acoustic vibrations in a borehole'1990 4,893,285'Method and apparatus for cement bond tool'1990 4,757,479'Method and apparatus for cement bond logging'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2008Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (7)· patent assignee history

1988–1990Based in Garches, FR· patent location history

1990–2008Based in Richmond, TX, US· patent location history

1992Patents assigned to UNIMETALL SA (1)· patent assignee history

1992Based in Aboncourt, FR· patent location history

1998–2000Patents assigned to EASTMAN KODAK CO (4)· patent assignee history

1998–2000Based in Farges, FR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SCHLUMBERGER TECHNOLOGY CORP	7	1988–2008
EASTMAN KODAK CO	4	1998–2000
UNIMETALL SA	1	1992

Locations

Location	Patents	Span
Richmond, Texas, US	5	1990–2008
Farges, FR	4	1998–2000
Garches, FR	2	1988–1990
Aboncourt, FR	1	1992