Inventor
BROWNRIGG PATRICK C
US8 patents
Patents
8 patentsUS5099131AMar 24, 1992
Acquisition and testing of latent fingerprints using upconversion
HUGHES AIRCRAFT CO40 citations92
US5004914AApr 2, 1991
Fiber-optic interferometric chemical sensor
HUGHES AIRCRAFT CO23 citations92
US5270538ADec 14, 1993
System for accurately detecting changes in temperature and pressure
HUGHES AIRCRAFT CO9 citations73
US5118932AJun 2, 1992
Shaft rotation rate sensor with a diffraction grating producing a velocity-related beat frequency
HUGHES AIRCRAFT CO14 citations73
US5100230AMar 31, 1992
True ground speed sensor
HUGHES AIRCRAFT CO10 citations73
US5077482ADec 31, 1991
Liquid gauge having an optical fiber with flexible membrane enclosure
HUGHES AIRCRAFT CO19 citations73
US5058420AOct 22, 1991
Fiber optic liquid leak detector
HUGHES AIRCRAFT CO18 citations73
US5220180AJun 15, 1993
Fiber optic fuel and liquid gauge having an open rigid "J" shaped tube
HUGHES AIRCRAFT CO6 citations62