Inventor
LARA PEDRO F
US13 patents
Patents
13 patentsUS5029614AJul 9, 1991
Tandem seal system for testing pipelines
ATLANTIC RICHFIELD CO56 citations95
US5233297AAug 3, 1993
Transient electromagnetic method and apparatus for inspecting conductive objects utilizing sensors that move during inspection
ATLANTIC RICHFIELD CO29 citations92
US4929896AMay 29, 1990
Transient electromagnetic method for detecting irregularies on conductive containers having variations in jacket thickness
ATLANTIC RICHFIELD CO37 citations92
US4843319AJun 27, 1989
Transient electromagnetic method for detecting corrosion on conductive containers having variations in jacket thickness
ATLANTIC RICHFIELD CO50 citations92
US4799391AJan 24, 1989
Method for surveying fluid transmission pipelines
ATLANTIC RICHFIELD CO36 citations92
US4747317AMay 31, 1988
System for surveying fluid transmission pipelines and the like
ATLANTIC RICHFIELD CO52 citations92
US4717875AJan 5, 1988
Method and system for determining curvature in fluid transmission pipelines
ATLANTIC RICHFIELD CO27 citations92
US5461313AOct 24, 1995
Method of detecting cracks by measuring eddy current decay rate
ATLANTIC RICHFIELD CO50 citations91
US5747983AMay 5, 1998
Apparatus and method for measuring potentials through pavements for buried pipeline cathodic protection systems
ATLANTIC RICHFIELD CO19 citations90
US5670878ASep 23, 1997
Inspecting a conductive object with a steady state magnetic field and induced eddy current
ATLANTIC RICHFIELD CO34 citations90
US5596267AJan 21, 1997
Apparatus and method for measuring potentials through pavements for buried pipeline cathodic protection systems
ATLANTIC RICHFIELD CO22 citations90
US5115196AMay 19, 1992
Girth weld detection system for pipeline survey pig
ATLANTIC RICHFIELD CO39 citations88
US4835876AJun 6, 1989
Instrument chassis and body supports for pipeline survey pig
ATLANTIC RICHFIELD CO15 citations69