Inventor · disambiguated record
Andrew D. Sappey
Also filed as: SAPPEY ANDREW · SAPPEY ANDREW D
26 granted patents·7 pending applications·461 citations·filing 1996–2022
96Inventor score
Files withZOLO TECHNOLOGIES INC15ONPOINT TECH LLC6JOHN ZINK CO LLC3HOFVANDER HENRIK2MG SMART VENTURES LLC2
Top patents by PatentIndex Score
33 records- 0194US10352852B2TDLAS architecture for widely spaced wavelengthsJOHN ZINK CO LLC·Filed 2015·Granted Jul 16, 2019·5 cites·20 claims
- 0292US7469092B2Method and apparatus for the monitoring and control of a processZOLO TECHNOLOGIES INC·Filed 2007·Granted Dec 23, 2008·22 cites·13 claims
- 0391US7248755B2Method and apparatus for the monitoring and control of combustionZOLO TECHNOLOGIES INC·Filed 2004·Granted Jul 24, 2007·52 cites·32 claims
- 0489US6415080B1Echelle grating dense wavelength division multiplexer/demultiplexerZOLO TECHNOLOGIES INC·Filed 2000·Granted Jul 2, 2002·37 cites·31 claims
- 0589US6304692B1Echelle grating dense wavelength division multiplexer/demultiplexer with two dimensional single channel arrayZOLO TECHNOLOGIES INC·Filed 2000·Granted Oct 16, 2001·37 cites·13 claims
- 0688US5738101AOptical imaging through turbid media with a degenerate four-wave mixing correlation time gateUNIV CALIFORNIA·Filed 1996·Granted Apr 14, 1998·101 cites·12 claims
- 0786US6421481B1Apparatus and method for producing a flat-topped filter response for diffraction grating (De) multiplexerZOLO TECHNOLOGIES INC·Filed 2000·Granted Jul 16, 2002·35 cites·20 claims
- 0883US8786857B2Mitigation of optical signal noise using a multimode transmit fiberMASTERSON BERNARD PATRICK·Filed 2010·Granted Jul 22, 2014·9 cites·20 claims
- 0982US10948184B2Method and apparatus for monitoring port blockage for TDLAS measurements in harsh environmentsONPOINT TECH LLC·Filed 2019·Granted Mar 16, 2021·1 cites·19 claims
- 1082USRE40271EEchelle grating dense wavelength division multiplexer/demultiplexerZOLO TECHNOLOGIES INC·Filed 2005·Granted Apr 29, 2008·9 cites·32 claims
- 1179US7729566B2Method for the monitoring and control of a processZOLO TECHNOLOGIES INC·Filed 2007·Granted Jun 1, 2010·7 cites·19 claims
- 1279US5679957AMethod and apparatus for monitoring mercury emissionsADA TECHNOLOGIES INC·Filed 1996·Granted Oct 21, 1997·65 cites·47 claims
- 1376US6400509B1Apparatus and method for the reduction of polarization sensitivity in diffraction gratings used in fiber optic communications devicesZOLO TECHNOLOGIES INC·Filed 2000·Granted Jun 4, 2002·42 cites·17 claims
- 1475US6647182B2Echelle grating dense wavelength division multiplexer/demultiplexerZOLO TECHNOLOGIES INC·Filed 2002·Granted Nov 11, 2003·13 cites·17 claims
- 1574US12474263B2TDLAS architecture for widely spaced wavelengthMG SMART VENTURES LLC·Filed 2022·Granted Nov 18, 2025·0 cites·12 claims
- 1674US9366621B2In-furnace retro-reflectors with steerable tunable diode laser absorption spectrometerZOLO TECHNOLOGIES INC·Filed 2013·Granted Jun 14, 2016·4 cites·20 claims
- 1774US7389027B2Method and apparatus for the monitoring and control of a processZOLO TECHNOLOGIES INC·Filed 2007·Granted Jun 17, 2008·5 cites·14 claims
- 1870US11513069B2TDLAS architecture for widely spaced wavelengthsONPOINT TECH LLC·Filed 2020·Granted Nov 29, 2022·0 cites·20 claims
- 1969US8544279B2Method and apparatus for spectroscopic measurements in the combustion zone of a gas turbine engineSAPPEY ANDREW D·Filed 2006·Granted Oct 1, 2013·13 cites·17 claims
- 2067US10371378B2Method and apparatus for monitoring port blockage for TDLAS measurements in harsh environmentsJOHN ZINK CO LLC·Filed 2014·Granted Aug 6, 2019·1 cites·14 claims
- 2165US10830698B2TDLAS architecture for widely spaced wavelengthONPOINT TECH LLC·Filed 2019·Granted Nov 10, 2020·0 cites·19 claims
- 2264US8786856B2Method and apparatus for monitoring combustion properties in an interior of a boilerESTES MICHAEL JOHN·Filed 2010·Granted Jul 22, 2014·2 cites·20 claims
- 2355US2023258559A1Laser heterodyne combustion-efficiency monitor and associated methodsONPOINT TECH LLC·Filed 2021·Application pending·0 cites
- 2455US2024142335A1Gas leak detector and detection methodsONPOINT TECH LLC·Filed 2022·Application pending·0 cites
- 2550US12321015B2Demultiplexing filter and methodMG SMART VENTURES LLC·Filed 2021·Granted Jun 3, 2025·0 cites·24 claims
- 2647US8255169B2Binning and tomography for high spatial resolution temperature and species concentration measurementsHOFVANDER HENRIK·Filed 2008·Granted Aug 28, 2012·1 cites·9 claims
- 2745US2020326243A1Optical flame-sensorONPOINT TECH LLC·Filed 2020·Application pending·0 cites
- 2842US2010171956A1Alignment Free Single-Ended Optical Probe and Methods for Spectroscopic Measurements in a Gas Turbine EngineZOLO TECHNOLOGIES INC·Filed 2009·Application pending·0 cites
- 2940US2008285916A1All-Fiber Architecture for an Embedded Flight Sensor for Aeropropulsion ApplicationsZOLO TECHNOLOGIES INC·Filed 2006·Application pending·0 cites
- 3039US8699011B2Time-synchronized TDLAS measurements of pressure and temperature in a gas turbine engineHOFVANDER HENRIK·Filed 2011·Granted Apr 15, 2014·0 cites·15 claims
- 3139US2002181856A1(De)multiplexer with four 'F' configuration and hybrid lensZOLO TECHNOLOGIES INC·Filed 2002·Application pending·0 cites
- 3235US10738997B2Method and apparatus for verification of TDLAS system operationJOHN ZINK CO LLC·Filed 2017·Granted Aug 11, 2020·0 cites·13 claims
- 3331US2002141725A1Fiber pigtail template assemblyZOLO TECHNOLOGIES INC·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →