Inventor

A. J. Mallett

Inventor

Houston, TX, US

Overview

8→

Patents

1976–1997

Patent span

Physics

Primary field (CPC G)

Patents· 8 as inventor

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

G01Vprimary

G01VGeophysics47%

B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general13%

G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves13%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

E21BEarth or rock drilling7%

G10KSound-producing devices7%

PatentTitleYear

5,678,643'Acoustic logging while drilling tool to determine bed boundaries'1997 5,639,997'Acoustic noise cancelling apparatus for well logging and method of well logging'1997 5,313,025'Displacement amplified acoustic transmitter'1994 4,700,803'Transducer forming compression and shear waves for use in acoustic well logging'1987 4,580,252'Wide band acoustic receiver transducer'1986 4,493,062'Resonant frequency modification of piezoelectric transducers'1985 4,450,540'Swept energy source acoustic logging system'1984 3,946,357'Method and apparatus for seismic geophysical exploration'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to SUPERIOR OIL CO (1)· patent assignee history

1976–1997Based in Houston, TX, US· patent location history

1984–1997Patents assigned to HALLIBURTON CO (5)· patent assignee history

1994Patents assigned to HALLIBURTON LOGGING SERVICES (1)· patent assignee history

1997Patents assigned to HALLIBURTON ENERGY SERV INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HALLIBURTON CO	5	1984–1997
HALLIBURTON ENERGY SERV INC	1	1997
HALLIBURTON LOGGING SERVICES	1	1994
SUPERIOR OIL CO	1	1976

Locations

Location	Patents	Span
Houston, Texas, US	8	1976–1997