1
Frederick Henry Kreisler Rambow, Dennis Edward Dria, David Ralph Stewart: Apparatus and method for monitoring compaction. Shell Oil Company, February 15, 2005: US06854327 (22 worldwide citation)

An apparatus and method for continuous, passive detection and measurement of tensile and compressional strain in a structure utilizing a shielded optic fiber, the optic fiber having one or more Bragg gratings thereon, the gratings and shield being disposed in a curved path on the structure and a bas ...


2
Frederick Henry Kreisler Rambow, Dennis Edward Dria, David Ralph Stewart: Apparatus and method for monitoring compaction. Eugene R Montalvo, Shell Oil Company, May 6, 2004: US20040083808-A1

An apparatus and method for continuous, passive detecting and measuring of compressional strains in real time, without physical intervention, which comprises: a) Attaching to the structure to be monitored an assembly comprising an optical fiber having one or more gratings at selected intervals, axia ...