Inventor

SPIEGELBERG CHRISTINE P

US7 patents

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

SIEMENS ENERGY INC

4 patents

US9736597B1Aug 15, 2017

Optical fiber based microphone array for detecting acoustic emissions generated by an area of interest

SIEMENS ENERGY INC8 citations83

US9400217B2Jul 26, 2016

Dual infrared band apparatus and method for thermally mapping a component in a high temperature combustion environment

SIEMENS ENERGY INC6 citations71

US9359910B2Jun 7, 2016

Method and apparatus for measuring operational gas turbine engine housing displacement and temperature by a distributed fiber optic sensing system utilizing optical frequency domain reflectometry

SIEMENS ENERGY INC2 citations61

US9587834B2Mar 7, 2017

Flashback detection in gas turbine engines using distributed sensing

SIEMENS ENERGY INC1 citations51

NP PHOTONICS INC

3 patents

US6816514B2Nov 9, 2004

Rare-earth doped phosphate-glass single-mode fiber lasers

NP PHOTONICS INC21 citations91

US6654390B2Nov 25, 2003

Coupled-cavity tunable glass laser

NP PHOTONICS INC22 citations91

US6965620B2Nov 15, 2005

Erbium-doped phosphate-glass tunable single-mode fiber laser using a tunable fabry-perot filter

NP PHOTONICS INC7 citations67