Membership
Tour
Register
Log in
R. Mark Havira
Follow
Person
New Fairfield, CT, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Rail investigating ultrasonic transducer
Patent number
5,578,758
Issue date
Nov 26, 1996
Pandrol Jackson Technologies, Inc.
R. Mark Havira
B30 - PRESSES
Information
Patent Grant
Method and apparatus for investigating stand-off in a borehole
Patent number
4,979,151
Issue date
Dec 18, 1990
Michael P. Ekstrom
E21 - EARTH DRILLING MINING
Information
Patent Grant
Acoustic apparatus and method for detecting borehole wall discontin...
Patent number
4,885,723
Issue date
Dec 5, 1989
Schlumberger Technology Corporation
R. Mark Havira
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus and method for acoustically investigating a casing set in...
Patent number
4,733,380
Issue date
Mar 22, 1988
Schlumberger Technology Corporation
R. Mark Havira
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for investigating stand-off in a borehole
Patent number
4,692,908
Issue date
Sep 8, 1987
Schlumberger-Doll Research
Michael P. Ekstrom
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for acoustically investigating a borehole
Patent number
4,382,290
Issue date
May 3, 1983
Schlumberger Technology Corporation
R. Mark Havira
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for acoustically investigating a casing and ce...
Patent number
4,255,798
Issue date
Mar 10, 1981
Schlumberger Technology Corp.
R. Mark Havira
E21 - EARTH DRILLING MINING