Inventor · disambiguated record
Ulf J. Jonsson
Also filed as: JONSSON ULF J
36 granted patents·11 pending applications·201 citations·filing 2004–2025
96Inventor score
Files withCARRIER CORP16UNITED TECHNOLOGIES CORP6SIKORSKY AIRCRAFT CORP4HEINBOKEL BERND2JONSSON ULF J2
Top patents by PatentIndex Score
47 records- 0196US10228168B2Compressor bearing coolingCARRIER CORP·Filed 2014·Granted Mar 12, 2019·19 cites·20 claims
- 0296US9234522B2Hybrid bearing turbomachineJONSSON ULF J·Filed 2012·Granted Jan 12, 2016·54 cites·21 claims
- 0392US11181008B1Self-pressurized squeeze film damperRAYTHEON TECH CORP·Filed 2020·Granted Nov 23, 2021·3 cites·10 claims
- 0490US11898561B2Direct drive refrigerant screw compressor with refrigerant lubricated rotorsCARRIER CORP·Filed 2020·Granted Feb 13, 2024·2 cites·6 claims
- 0589US10641529B2Heat transfer system with tribofilm on bearing surfaceCARRIER CORP·Filed 2016·Granted May 5, 2020·2 cites·20 claims
- 0688US10495143B2Self pressurizing squeeze film damperUNITED TECHNOLOGIES CORP·Filed 2018·Granted Dec 3, 2019·4 cites·8 claims
- 0788US2025341213A1Direct drive refrigerant screw compressor with refrigerant lubricated rotorsCARRIER CORP·Filed 2025·Application pending·0 cites
- 0885US10920615B2Self pressurizing squeeze film damperUNITED TECHNOLOGIES CORP·Filed 2017·Granted Feb 16, 2021·3 cites·20 claims
- 0985US7100380B2Organic rankine cycle fluidUNITED TECHNOLOGIES CORP·Filed 2004·Granted Sep 5, 2006·30 cites·10 claims
- 1083US12385491B2Direct drive refrigerant screw compressor with refrigerant lubricated rotorsCARRIER CORP·Filed 2023·Granted Aug 12, 2025·0 cites·20 claims
- 1183US10648702B2Low capacity, low-GWP, HVAC systemCARRIER CORP·Filed 2016·Granted May 12, 2020·2 cites·20 claims
- 1282US10823467B2Low-oil refrigerants and vapor compression systemsCARRIER CORP·Filed 2016·Granted Nov 3, 2020·2 cites·18 claims
- 1382US10781857B2Hybrid bearingsCARRIER CORP·Filed 2017·Granted Sep 22, 2020·2 cites·20 claims
- 1482US7677868B2Self-lubricated actuator for on-blade rotor controlSIKORSKY AIRCRAFT CORP·Filed 2006·Granted Mar 16, 2010·16 cites·24 claims
- 1577US10114938B2Secure electronic lockUTC FIRE & SECURITY AMERICAS·Filed 2014·Granted Oct 30, 2018·5 cites·22 claims
- 1677US7762770B2Hybrid actuator for helicopter rotor blade control flapsSIKORSKY AIRCRAFT CORP·Filed 2006·Granted Jul 27, 2010·13 cites·24 claims
- 1776US8889277B2Battery fire prevention via thermal managementLAKAMRAJU VIJAYA RAMARAJU·Filed 2009·Granted Nov 18, 2014·12 cites·6 claims
- 1872US9217264B2Low energy clutch for electronic door lockMILTON-BENOIT JOHN M·Filed 2009·Granted Dec 22, 2015·8 cites·15 claims
- 1972US8690443B2Mechanical system for high acceleration environmentsJONSSON ULF J·Filed 2011·Granted Apr 8, 2014·3 cites·17 claims
- 2071US8893520B2CO2-refrigeration device with heat reclaimHEINBOKEL BERND·Filed 2010·Granted Nov 25, 2014·2 cites·22 claims
- 2170US8702133B2Bi-stable actuator for electronic lockSUN FANPING·Filed 2008·Granted Apr 22, 2014·8 cites·22 claims
- 2269US8769952B2Oil recovery from an evaporator of an organic rankine cycle (ORC) systemCOGSWELL FREDERICK J·Filed 2007·Granted Jul 8, 2014·3 cites·11 claims
- 2368US10539352B2Compressor bearing cooling via purge unitCARRIER CORP·Filed 2014·Granted Jan 21, 2020·1 cites·15 claims
- 2467US10480831B2Compressor bearing coolingCARRIER CORP·Filed 2014·Granted Nov 19, 2019·1 cites·18 claims
- 2566US11662263B2Pressure sensor for preventing fluid jettingROSEMOUNT AEROSPACE INC·Filed 2021·Granted May 30, 2023·0 cites·20 claims
- 2666US8561443B2Semi-active electrorheological fluid clutch for electronic door lockSUN FANPING·Filed 2008·Granted Oct 22, 2013·4 cites·17 claims
- 2764US11174988B2Lubricant level sensing for an actuatorSIKORSKY AIRCRAFT CORP·Filed 2020·Granted Nov 16, 2021·0 cites·7 claims
- 2863US2025369825A1Actuatable inspection probe for non-destructive inspectionRTX CORP·Filed 2024·Application pending·0 cites
- 2960US2021381726A1Electrocaloric heat transfer systemCARRIER CORP·Filed 2021·Application pending·0 cites
- 3059US11292987B2Active filter for oil-free refrigerant compressorCARRIER CORP·Filed 2018·Granted Apr 5, 2022·0 cites·18 claims
- 3156US2019003748A1Electrocaloric heat transfer systemUNITED TECHNOLOGIES CORP·Filed 2015·Application pending·0 cites
- 3254US12497903B2Multi-stage partial admission axial turbineRTX CORP·Filed 2024·Granted Dec 16, 2025·0 cites·18 claims
- 3353US11959673B2Enhanced method of lubrication for refrigeration compressorsCARRIER CORP·Filed 2018·Granted Apr 16, 2024·0 cites·15 claims
- 3453US10260783B2Chiller compressor oil conditioningCARRIER CORP·Filed 2015·Granted Apr 16, 2019·0 cites·11 claims
- 3553US2012025948A1Power management circuitry for electronic door locksLAKAMRAJU VIJAYA R·Filed 2009·Application pending·0 cites
- 3652US10571074B2Lubricant level sensing for an actuatorSIKORSKY AIRCRAFT CORP·Filed 2015·Granted Feb 25, 2020·0 cites·8 claims
- 3751US2017045258A1Active Regenerative Heating and CoolingUNITED TECHNOLOGIES CORP·Filed 2014·Application pending·0 cites
- 3849US2021164489A1Compressor having extended range and stabilityCARRIER CORP·Filed 2019·Application pending·0 cites
- 3949US2009120108A1Co2-refrigerant device with heat reclaimHEINBOKEL BERND·Filed 2005·Application pending·0 cites
- 4047US9708832B2Lock core with recessed pop out knobUTC FIRE & SECURITY CORP·Filed 2014·Granted Jul 18, 2017·0 cites·11 claims
- 4147US2006171824A1Compressor connecting rod bearing designCARRIER CORP·Filed 2005·Application pending·0 cites
- 4245US9407121B2Electromechanical rotary actuator and methodMATALANIS CLAUDE G·Filed 2012·Granted Aug 2, 2016·0 cites·12 claims
- 4342US2012299311A1Organic rankine cycle (orc) load following power generation system and method of operationBIEDERMAN BRUCE P·Filed 2010·Application pending·0 cites
- 4441US8672627B2On-blade actuator for helicopter rotor blade control flapsYEH JIMMY LIH-MIN·Filed 2006·Granted Mar 18, 2014·2 cites·10 claims
- 4540US9907986B2Fire suppression system with dual use of gas sourceSIEWERT BRYAN ROBERT·Filed 2010·Granted Mar 6, 2018·0 cites·9 claims
- 4640US2018363956A1Electrocaloric heat transfer system with electrically conductive liquidUNITED TECHNOLOGIES CORP·Filed 2015·Application pending·0 cites
- 4739US9278755B2Modular integrated device for rotor blade controlMATALANIS CLAUDE G·Filed 2011·Granted Mar 8, 2016·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →