Inventor · disambiguated record
Christopher Allen Nafis
Also filed as: NAFIS CHRISTOPHER A · NAFIS CHRISTOPHER ALLEN
24 granted patents·5 pending applications·1,521 citations·filing 1994–2018
97Inventor score
Top patents by PatentIndex Score
29 records- 0196US8057397B2Navigation and imaging system sychronized with respiratory and/or cardiac activityLI DUN ALEX·Filed 2007·Granted Nov 15, 2011·259 cites·16 claims
- 0295US9724876B2Operational performance assessment of additive manufacturingGEN ELECTRIC·Filed 2013·Granted Aug 8, 2017·49 cites·23 claims
- 0391US5805289APortable measurement system using image and point measurement devicesGEN ELECTRIC·Filed 1997·Granted Sep 8, 1998·164 cites·8 claims
- 0490US8428690B2Intracardiac echocardiography image reconstruction in combination with position tracking systemLI DUN ALEX·Filed 2008·Granted Apr 23, 2013·69 cites·29 claims
- 0589US5740802AComputer graphic and live video system for enhancing visualization of body structures during surgeryGEN ELECTRIC·Filed 1995·Granted Apr 21, 1998·551 cites·14 claims
- 0688US10481108B2System for defect indication detectionGEN ELECTRIC·Filed 2018·Granted Nov 19, 2019·6 cites·20 claims
- 0788US10203290B2Method for defect indication detectionGEN ELECTRIC·Filed 2014·Granted Feb 12, 2019·6 cites·12 claims
- 0887US8989842B2System and method to register a tracking system with intracardiac echocardiography (ICE) imaging systemLI DUN ALEX·Filed 2007·Granted Mar 24, 2015·55 cites·20 claims
- 0986US8600123B2System and method for contactless multi-fingerprint collectionABRAMOVICH GIL·Filed 2010·Granted Dec 3, 2013·17 cites·26 claims
- 1083US8406487B2Method and system for contactless fingerprint detection and verificationABRAMOVICH GIL·Filed 2010·Granted Mar 26, 2013·9 cites·24 claims
- 1183US7681453B2System and method to calibrate multiple sensorsLOCKHEED CORP·Filed 2005·Granted Mar 23, 2010·10 cites·12 claims
- 1283US6519359B1Range camera controller for acquiring 3D modelsGEN ELECTRIC·Filed 1999·Granted Feb 11, 2003·81 cites·12 claims
- 1380US9151587B2Bucket tip shroud measurement fixture and method of measuring bucket tip shroud orientationGEN ELECTRIC·Filed 2013·Granted Oct 6, 2015·6 cites·23 claims
- 1479US5745387AAugmented reality maintenance system employing manipulator arm with archive and comparison deviceGEN ELECTRIC·Filed 1995·Granted Apr 28, 1998·75 cites·5 claims
- 1575US9721044B2Systems and methods for non-destructive evaluation of molds and crucibles used in investment castingGEN ELECTRIC·Filed 2013·Granted Aug 1, 2017·4 cites·2 claims
- 1675US9342728B2System and method for contactless multi-fingerprint collectionGEN ELECTRIC·Filed 2013·Granted May 17, 2016·3 cites·18 claims
- 1774US8790262B2Method for implementing an imaging and navigation systemLI DUN ALEX·Filed 2007·Granted Jul 29, 2014·11 cites·17 claims
- 1874US5412569AAugmented reality maintenance system with archive and comparison deviceGEN ELECTRIC·Filed 1994·Granted May 2, 1995·45 cites·5 claims
- 1973US8350914B2Systems and methods for on-line marker-less camera calibration using a position tracking systemGEN ELECTRIC·Filed 2011·Granted Jan 8, 2013·5 cites·23 claims
- 2072US8022990B2Systems and methods for on-line marker-less camera calibration using a position tracking systemGEN ELECTRIC·Filed 2006·Granted Sep 20, 2011·8 cites·11 claims
- 2172US5706195AAugmented reality maintenance system for multiple rovsGEN ELECTRIC·Filed 1995·Granted Jan 6, 1998·49 cites·3 claims
- 2271US10192298B2System and method for monitoring tape ends of a composite layup machineGEN ELECTRIC·Filed 2015·Granted Jan 29, 2019·1 cites·7 claims
- 2369US9351800B2Hybrid tracking system utilizing combined LED and magnetoresistance sensorsGROSZMANN DANIEL EDUARDO·Filed 2010·Granted May 31, 2016·1 cites·19 claims
- 2469US5515301AReal-time visualization system for multiple time-sampled signalsGEN ELECTRIC·Filed 1994·Granted May 7, 1996·37 cites·4 claims
- 2551US2013231557A1Intracardiac echocardiography image reconstruction in combination with position tracking systemGEN ELECTRIC·Filed 2013·Application pending·0 cites
- 2649US2009182248A1Systems and methods for monitoring an activity of a patientGEN ELECTRIC·Filed 2008·Application pending·0 cites
- 2739US2002198997A1System and method for on board maintenance instructions and recordsFiled 2001·Application pending·0 cites
- 2837US2013179118A1System And Method For Inspecting A Blade ComponentSUFFIELD RACHEL MARIE·Filed 2012·Application pending·0 cites
- 2936US2002094134A1Method and system for placing three-dimensional modelsFiled 2001·Application pending·0 cites
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