Inventor · disambiguated record
David W. Gerdt
Also filed as: GERDT DAVID · GERDT DAVID W · GERDT DAVID WILLIAM
20 granted patents·5 pending applications·1,120 citations·filing 1984–2024
96Inventor score
Top patents by PatentIndex Score
25 records- 0196US5494798AFiber optic evanscent wave sensor for immunoassayFiled 1993·Granted Feb 27, 1996·198 cites·18 claims
- 0296US4634858AVariable coupler fiberoptic sensorSPERRY CORP·Filed 1984·Granted Jan 6, 1987·161 cites·6 claims
- 0395US5136669AVariable ratio fiber optic coupler optical signal processing elementSPERRY MARINE INC·Filed 1991·Granted Aug 4, 1992·180 cites·10 claims
- 0489US4920412AAtmospheric obscurant penetrating target observation system with range gatingSPERRY MARINE INC·Filed 1988·Granted Apr 24, 1990·71 cites·13 claims
- 0588US5026984AMethods for sensing temperature, pressure and liquid level and variable ratio fiber optic coupler sensors thereforSPERRY MARINE INC·Filed 1990·Granted Jun 25, 1991·62 cites·14 claims
- 0688US4882481AAutomatic brightness control for image intensifiersSPERRY MARINE INC·Filed 1988·Granted Nov 21, 1989·40 cites·5 claims
- 0768US6731845B1Panoramic visual system for non-rotating structuresSPERRY MARINE INC·Filed 1990·Granted May 4, 2004·32 cites·10 claims
- 0868US6235046B1Passive photonic eye delivery systemFiled 1999·Granted May 22, 2001·108 cites·20 claims
- 0966US5671191AVariable coupler fiber optic sensor hydrophoneSPERRY MARINE INC·Filed 1989·Granted Sep 23, 1997·40 cites·12 claims
- 1062US6480638B1Single mode fiber optic evanescent wave refractometerEMPIRICAL TECHNOLOGIES CORP·Filed 2000·Granted Nov 12, 2002·11 cites·17 claims
- 1158US2025040865A1Autonomic Nervous System Diagnostic and Therapeutic Device for Corrective TherapyGERDT DAVID·Filed 2024·Application pending·0 cites
- 1257US5017793AOptically driven RF generatorSPERRY MARINE INC·Filed 1989·Granted May 21, 1991·11 cites·10 claims
- 1355US4879454AFiber optic fabrication furnaceSPERRY MARINE INC·Filed 1988·Granted Nov 7, 1989·16 cites·17 claims
- 1453US6723054B1Apparatus and method for measuring pulse transit timeEMPIRICAL TECHNOLOGIES CORP·Filed 1999·Granted Apr 20, 2004·62 cites·24 claims
- 1552US5074309ADevice for monitoring cardiovascular signals and fiber optic coupler phonocardio sensor thereforSPERRY MARINE INC·Filed 1989·Granted Dec 24, 1991·42 cites·10 claims
- 1649US6907148B2Sensing apparatus employing variable coupler fiberoptic sensorEMPIRICAL TECHNOLOGIES CORP·Filed 2002·Granted Jun 14, 2005·6 cites·21 claims
- 1747US5028801AApparatus and method for multiplexing fiber optic sensorsSPERRY MARINE INC·Filed 1990·Granted Jul 2, 1991·12 cites·8 claims
- 1845US2007287923A1Wrist plethysmographADKINS CHARLES·Filed 2007·Application pending·0 cites
- 1945US2010262022A1Detection of Progressive Central Hypovolemia using the System of the present invention with Pulse-Decomposition Analysis (PDA)BARUCH MARTIN·Filed 2009·Application pending·0 cites
- 2043US6463187B1Variable coupler fiberoptic sensor and sensing apparatus using the sensorEMPIRICAL TECHNOLOGIES CORP·Filed 1999·Granted Oct 8, 2002·35 cites·52 claims
- 2142US10342437B2Detection of progressive central hypovolemiaBARUCH MARTIN·Filed 2013·Granted Jul 9, 2019·0 cites·14 claims
- 2241US2003199771A1Apparatus and method for measuring pulse transit timeEMPIRICAL TECHNOLOGIES CORP·Filed 2003·Application pending·0 cites
- 2340US6836577B2Variable coupler fiberoptic sensor and sensing apparatus using the sensorEMPIRICAL TECHNOLOGIES CORP·Filed 2002·Granted Dec 28, 2004·0 cites·16 claims
- 2440US6687424B1Sensing pad assembly employing variable coupler fiberoptic sensorEMPIRICAL TECHNOLOGIES CORP·Filed 1999·Granted Feb 3, 2004·33 cites·68 claims
- 2539US2012238887A1Hydrostatic finger cuff for blood wave form analysis and diagnostic supportGERDT DAVID W·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →