Inventor
OERTLE DONALD H
15 patents
⚠️ This page may combine multiple inventors who share the name “OERTLE DONALD H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CONTINENTAL OIL CO
11 patentsUS4145915AMar 27, 1979
Early crack detection
CONTINENTAL OIL CO56 citations96
US4179940ADec 25, 1979
Structural failure detection method
CONTINENTAL OIL CO49 citations92
US4135386AJan 23, 1979
Porous material crack detection
CONTINENTAL OIL CO42 citations92
US4104906AAug 8, 1978
Early crack detection with multi-pressure system
CONTINENTAL OIL CO53 citations92
US3942546AMar 9, 1976
Corrosion monitoring and composition-analytical apparatus
CONTINENTAL OIL CO29 citations80
US4143540AMar 13, 1979
Method of preventing corrosion of joints of steel structures submerged in corrosive media
CONTINENTAL OIL CO15 citations73
US4071011AJan 31, 1978
Port closure apparatus for differentially pressured vessels
CONTINENTAL OIL CO9 citations73
US3949593AApr 13, 1976
Diffusion monitoring apparatus
CONTINENTAL OIL CO8 citations73
US4092844AJun 6, 1978
Hydrogen probe with limited active area
CONTINENTAL OIL CO10 citations71
US4139814AFeb 13, 1979
Method of detecting corrosion at interface of concrete and reinforcing steel using a hydrogen probe imbedded in the concrete
CONTINENTAL OIL CO6 citations61
US3975253AAug 17, 1976
Process change sensor
CONTINENTAL OIL CO4 citations59
CONOCO INC
4 patentsUS4503710AMar 12, 1985
Crack detection by electrical resistance
CONOCO INC41 citations90
US4297885ANov 3, 1981
Acoustic emission for detection and monitoring of crack initiation and propagation in materials
CONOCO INC24 citations81
US4304135ADec 8, 1981
Constraint factor for structural monitoring
CONOCO INC21 citations80
US4394577AJul 19, 1983
Displacement measurement device and method
CONOCO INC2 citations62