Inventor

CROUCH ALFRED E

US5 patents

⚠️ This page may combine multiple inventors who share the name “CROUCH ALFRED E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SOUTHWEST RES INST

4 patents

US6624628B1Sep 23, 2003

Method and apparatus generating and detecting torsional waves for long range inspection of pipes and tubes

SOUTHWEST RES INST89 citations97

US6239593B1May 29, 2001

Method and system for detecting and characterizing mechanical damage in pipelines using nonlinear harmonics techniques

SOUTHWEST RES INST69 citations94

US7038444B2May 2, 2006

System and method for in-line stress measurement by continuous Barkhausen method

SOUTHWEST RES INST23 citations91

US7154264B2Dec 26, 2006

System and method using a collapsable coil for inspection of pipelines having internal restrictions

SOUTHWEST RES INST16 citations82

CLOCK SPRING COMPANY L P

1 patent

US7557570B2Jul 7, 2009

System and method for producing color contour maps of surface defects of high pressure pipelines

CLOCK SPRING COMPANY L P4 citations55