Inventor · disambiguated record
Patrick C. Brownrigg
Also filed as: BROWNRIGG PATRICK · BROWNRIGG PATRICK C
9 granted patents·146 citations·filing 1989–1992
89Inventor score
Top patents by PatentIndex Score
9 records- 0166US5004914AFiber-optic interferometric chemical sensorHUGHES AIRCRAFT CO·Filed 1990·Granted Apr 2, 1991·23 cites·15 claims
- 0261US5099131AAcquisition and testing of latent fingerprints using upconversionHUGHES AIRCRAFT CO·Filed 1990·Granted Mar 24, 1992·40 cites·15 claims
- 0357US5077482ALiquid gauge having an optical fiber with flexible membrane enclosureHUGHES AIRCRAFT CO·Filed 1990·Granted Dec 31, 1991·19 cites·4 claims
- 0455US5058420AFiber optic liquid leak detectorHUGHES AIRCRAFT CO·Filed 1990·Granted Oct 22, 1991·18 cites·3 claims
- 0554US5118932AShaft rotation rate sensor with a diffraction grating producing a velocity-related beat frequencyHUGHES AIRCRAFT CO·Filed 1990·Granted Jun 2, 1992·14 cites·12 claims
- 0646US5100230ATrue ground speed sensorHUGHES AIRCRAFT CO·Filed 1990·Granted Mar 31, 1992·10 cites·17 claims
- 0745US5270538ASystem for accurately detecting changes in temperature and pressureHUGHES AIRCRAFT CO·Filed 1992·Granted Dec 14, 1993·9 cites·3 claims
- 0835US5220180AFiber optic fuel and liquid gauge having an open rigid "J" shaped tubeHUGHES AIRCRAFT CO·Filed 1991·Granted Jun 15, 1993·6 cites·5 claims
- 0932US5018827AMethod for eliminating the temperature sensitivity of an optical fiber and a temperature insensitive optical fiberBROWNRIGG PATRICK·Filed 1989·Granted May 28, 1991·7 cites·8 claims
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