Inventor · disambiguated record
Zaffir A. Chaudhry
Also filed as: CHAUDHRY ZAFFIR · CHAUDHRY ZAFFIR A
80 granted patents·31 pending applications·766 citations·filing 2000–2025
99Inventor score
Files withUNITED TECHNOLOGIES CORP18SIKORSKY AIRCRAFT CORP17CARRIER CORP11GOODRICH CORP11RAYTHEON TECH CORP11
Top patents by PatentIndex Score
111 records- 0197US10415419B2System for modulating turbine blade tip clearanceUNITED TECHNOLOGIES CORP·Filed 2017·Granted Sep 17, 2019·22 cites·13 claims
- 0296US10415418B2System for modulating turbine blade tip clearanceUNITED TECHNOLOGIES CORP·Filed 2017·Granted Sep 17, 2019·14 cites·16 claims
- 0396US10228168B2Compressor bearing coolingCARRIER CORP·Filed 2014·Granted Mar 12, 2019·19 cites·20 claims
- 0496US6318070B1Variable area nozzle for gas turbine engines driven by shape memory alloy actuatorsUNITED TECHNOLOGIES CORP·Filed 2000·Granted Nov 20, 2001·447 cites·19 claims
- 0595US11092030B2Adaptive case for a gas turbine engineUNITED TECHNOLOGIES CORP·Filed 2019·Granted Aug 17, 2021·12 cites·20 claims
- 0695US10914191B2System and method for in situ airfoil inspectionUNITED TECHNOLOGIES CORP·Filed 2018·Granted Feb 9, 2021·9 cites·19 claims
- 0794US12055055B1Rotor blade inspection systemRAYTHEON TECH CORP·Filed 2023·Granted Aug 6, 2024·4 cites·20 claims
- 0894US10883590B2Compound harmonic gearHAMILTON SUNDSTRAND CORP·Filed 2017·Granted Jan 5, 2021·9 cites·19 claims
- 0994US8402739B2Variable shape inlet section for a nacelle assembly of a gas turbine engineJAIN ASHOK K·Filed 2007·Granted Mar 26, 2013·28 cites·10 claims
- 1093US10329122B1H frame for a double deck elevatorOTIS ELEVATOR CO·Filed 2018·Granted Jun 25, 2019·6 cites·8 claims
- 1192US11655778B2Morphing structures for fan inlet variable vanesRAYTHEON TECH CORP·Filed 2021·Granted May 23, 2023·3 cites·20 claims
- 1292US11105707B2Inducing and monitoring a vibratory response in a componentUNITED TECHNOLOGIES CORP·Filed 2020·Granted Aug 31, 2021·3 cites·12 claims
- 1391US10150932B2Auxiliary emergency protective lubrication system for metal mechanical componentsUNITED TECHNOLOGIES CORP·Filed 2018·Granted Dec 11, 2018·2 cites·6 claims
- 1490US12435642B2Optical in-situ inspection systemRTX CORP·Filed 2023·Granted Oct 7, 2025·1 cites·8 claims
- 1590US12379645B2Propulsor blade imaging assembly for an aircraft propulsion systemRAYTHEON TECH CORP·Filed 2023·Granted Aug 5, 2025·1 cites·18 claims
- 1690US12146416B2Propulsor blade imaging assembly for an aircraft propulsion systemRAYTHEON TECH CORP·Filed 2023·Granted Nov 19, 2024·2 cites·16 claims
- 1790US12055053B1Rotor blade inspection systemRAYTHEON TECH CORP·Filed 2023·Granted Aug 6, 2024·3 cites·16 claims
- 1890US11898561B2Direct drive refrigerant screw compressor with refrigerant lubricated rotorsCARRIER CORP·Filed 2020·Granted Feb 13, 2024·2 cites·6 claims
- 1989US10641529B2Heat transfer system with tribofilm on bearing surfaceCARRIER CORP·Filed 2016·Granted May 5, 2020·2 cites·20 claims
- 2088US9731939B2Elevator cord health monitoringOTIS ELEVATOR CO·Filed 2013·Granted Aug 15, 2017·7 cites·17 claims
- 2188US2025341213A1Direct drive refrigerant screw compressor with refrigerant lubricated rotorsCARRIER CORP·Filed 2025·Application pending·0 cites
- 2287US12410727B2Propulsor blade imaging assembly method for an aircraft propulsion systemRTX CORP·Filed 2024·Granted Sep 9, 2025·1 cites·15 claims
- 2387US11111811B2Gas turbine engine with morphing variable compressor vanesUNITED TECHNOLOGIES CORP·Filed 2019·Granted Sep 7, 2021·4 cites·17 claims
- 2487US9841352B2System and method for monitoring gear and bearing healthUNITED TECHNOLOGIES CORP·Filed 2015·Granted Dec 12, 2017·4 cites·16 claims
- 2586US10470250B2Carbon allotrope heater material with resistivity ranges suited for aircraft ice protectionGOODRICH CORP·Filed 2016·Granted Nov 5, 2019·5 cites·7 claims
- 2684US8333554B2Split gearbox and nacelle arrangementCHAUDHRY ZAFFIR A·Filed 2007·Granted Dec 18, 2012·27 cites·12 claims
- 2783US12385491B2Direct drive refrigerant screw compressor with refrigerant lubricated rotorsCARRIER CORP·Filed 2023·Granted Aug 12, 2025·0 cites·20 claims
- 2882US12385412B2Propulsor blade imaging assembly for an aircraft propulsion systemRAYTHEON TECH CORP·Filed 2023·Granted Aug 12, 2025·1 cites·20 claims
- 2982US10823467B2Low-oil refrigerants and vapor compression systemsCARRIER CORP·Filed 2016·Granted Nov 3, 2020·2 cites·18 claims
- 3082US10781857B2Hybrid bearingsCARRIER CORP·Filed 2017·Granted Sep 22, 2020·2 cites·20 claims
- 3182US10264627B2Adjusting CNT resistance using perforated CNT sheetsGOODRICH CORP·Filed 2016·Granted Apr 16, 2019·4 cites·18 claims
- 3282US9482647B2Gear fault detectionSIKORSKY AIRCRAFT CORP·Filed 2013·Granted Nov 1, 2016·4 cites·14 claims
- 3382US7677868B2Self-lubricated actuator for on-blade rotor controlSIKORSKY AIRCRAFT CORP·Filed 2006·Granted Mar 16, 2010·16 cites·24 claims
- 3481US10035969B2Auxiliary emergency protective lubrication system for metal mechanical componentsUNITED TECHNOLOGIES CORP·Filed 2016·Granted Jul 31, 2018·1 cites·14 claims
- 3580US12463477B2Lightweight rotor design with composite structureHAMILTON SUNDSTRAND CORP·Filed 2023·Granted Nov 4, 2025·0 cites·16 claims
- 3680US9243407B2Structure repair with polymer matrix compositesSIKORSKY AIRCRAFT CORP·Filed 2013·Granted Jan 26, 2016·2 cites·12 claims
- 3779US11646633B2Aircraft electric motorHAMILTON SUNDSTRAND CORP·Filed 2021·Granted May 9, 2023·1 cites·17 claims
- 3879US9638588B2Multifunctional load and damage sensorSIKORSKY AIRCRAFT CORP·Filed 2014·Granted May 2, 2017·3 cites·19 claims
- 3978US8538590B2Active vibration suppression via power minimizationSUN FANPING·Filed 2010·Granted Sep 17, 2013·8 cites·16 claims
- 4077US11028725B2Adaptive morphing engine geometryUNITED TECHNOLOGIES CORP·Filed 2018·Granted Jun 8, 2021·2 cites·22 claims
- 4177US7762770B2Hybrid actuator for helicopter rotor blade control flapsSIKORSKY AIRCRAFT CORP·Filed 2006·Granted Jul 27, 2010·13 cites·24 claims
- 4276US10969017B2Face seal with insertUNITED TECHNOLOGIES CORP·Filed 2019·Granted Apr 6, 2021·1 cites·5 claims
- 4376US8087637B2Self-regulating valve for controlling the gas flow in high pressure systemsSUN FANPING·Filed 2005·Granted Jan 3, 2012·9 cites·17 claims
- 4474US12247529B2Morphing structures for fan inlet variable vanesRAYTHEON TECH CORP·Filed 2023·Granted Mar 11, 2025·0 cites·19 claims
- 4574US10521898B2Structural masking for progressive health monitoringSIKORSKY AIRCRAFT CORP·Filed 2016·Granted Dec 31, 2019·2 cites·14 claims
- 4672US9217264B2Low energy clutch for electronic door lockMILTON-BENOIT JOHN M·Filed 2009·Granted Dec 22, 2015·8 cites·15 claims
- 4772US2022295599A1Method to create carbon nanotube heaters with varying resistanceGOODRICH CORP·Filed 2022·Application pending·0 cites
- 4870US11643301B2System and method for monitoring sheave bearing conditionOTIS ELEVATOR CO·Filed 2019·Granted May 9, 2023·0 cites·20 claims
- 4970US11371615B2Face seal with insertRAYTHEON TECH CORP·Filed 2021·Granted Jun 28, 2022·0 cites·6 claims
- 5070US8702133B2Bi-stable actuator for electronic lockSUN FANPING·Filed 2008·Granted Apr 22, 2014·8 cites·22 claims
Showing the top 50 of 111 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →