Inventor · disambiguated record
Francis E. Byrnes
Also filed as: BYRNES FRANCIS E · BYRNES FRANCIS EDWARD · BYRNES JR FRANCIS E
39 granted patents·1,119 citations·filing 1983–2012
98Inventor score
Files withUNITED TECHNOLOGIES CORP23SIKORSKY AIRCRAFT CORP8CUNNINGHAM ROBERT3HUNTER DAVID H2BYRNES FRANCIS EDWARD1
Top patents by PatentIndex Score
39 records- 0198US6848886B2SnubberSIKORSKY AIRCRAFT CORP·Filed 2003·Granted Feb 1, 2005·93 cites·20 claims
- 0284US9505491B2Helicopter composite blade spar and methodBYRNES FRANCIS EDWARD·Filed 2011·Granted Nov 29, 2016·13 cites·7 claims
- 0384US5092738AFlexbeam helicopter rotor with improved snubber-vibration damper between the torque tube and the flexible spar memberUNITED TECHNOLOGIES CORP·Filed 1990·Granted Mar 3, 1992·74 cites·8 claims
- 0484US4568245AComposite helicopter rotor hubUNITED TECHNOLOGIES CORP·Filed 1983·Granted Feb 4, 1986·58 cites·1 claims
- 0581US5690474AOptimized composite flexbeam for helicopter tail rotorsSIKORSKY AIRCRAFT CORP·Filed 1996·Granted Nov 25, 1997·64 cites·20 claims
- 0680US5431538AHybrid composite flexbeam for a helicopter bearingless main rotor assemblyUNITED TECHNOLOGIES CORP·Filed 1993·Granted Jul 11, 1995·45 cites·24 claims
- 0779US8911153B2Spherical elastomeric bearing with improved shim thicknessCUNNINGHAM ROBERT·Filed 2012·Granted Dec 16, 2014·5 cites·7 claims
- 0879US8511997B2Uniform fatigue life spherical elastomeric bearingCUNNINGHAM ROBERT·Filed 2007·Granted Aug 20, 2013·10 cites·15 claims
- 0979US5096380AComposite flexbeam for a bearingless helicopter rotorUNITED TECHNOLOGY CORP·Filed 1990·Granted Mar 17, 1992·42 cites·5 claims
- 1078US5601408AAxisymmetric elastomeric bearing assembly for helicopter rotorsSIKORSKY AIRCRAFT CORP·Filed 1996·Granted Feb 11, 1997·60 cites·6 claims
- 1177US5449152ATubular elastomer damperUNITED TECHNOLOGIES CORP·Filed 1994·Granted Sep 12, 1995·41 cites·19 claims
- 1274US4895354AEqualizing stress distribution in each laminate of an asymmetrically loaded elastomeric bearingUNITED TECHNOLOGIES CORP·Filed 1985·Granted Jan 23, 1990·28 cites·4 claims
- 1373US5460487APitch adjustment assembly for bearingless main rotorsUNITED TECHNOLOGIES CORP·Filed 1994·Granted Oct 24, 1995·46 cites·12 claims
- 1473US5188513ASnubber-bearing with combined elastomer laminatesUNITED TECHNOLOGIES CORP·Filed 1992·Granted Feb 23, 1993·29 cites·12 claims
- 1572US4746272ALobed composite flexbeamUNITED TECHNOLOGIES CORP·Filed 1986·Granted May 24, 1988·41 cites·9 claims
- 1669US4930983AHybrid helicopter rotor hub retention plateUNITED TECHNOLOGIES CORP·Filed 1988·Granted Jun 5, 1990·26 cites·8 claims
- 1768US8275585B2Spherical elastomeric bearing with improved shim thicknessCUNNINGHAM ROBERT·Filed 2008·Granted Sep 25, 2012·8 cites·8 claims
- 1868US6318527B1Inertial vibration isolator spring for helicopterSIKORSKY AIRCRAFT CORP·Filed 1999·Granted Nov 20, 2001·23 cites·6 claims
- 1966US9169011B2Rotor with blades including outer blade shell and inner structural memberHUNTER DAVID H·Filed 2011·Granted Oct 27, 2015·5 cites·21 claims
- 2065US5372479AFlexbeam for a helicopter bearingless main rotor assemblyUNITED TECHNOLOGIES CORP·Filed 1993·Granted Dec 13, 1994·36 cites·20 claims
- 2161US5120195AClevis joint capable of accommodating substantial pivotal motion between its joined members and loading along its axisSCHMALING DAVID N·Filed 1990·Granted Jun 9, 1992·32 cites·6 claims
- 2261US4714450AElastomeric high torque, constant velocity jointUNITED TECHNOLOGIES CORP·Filed 1986·Granted Dec 22, 1987·27 cites·6 claims
- 2359US5110260AArticulated helicopter rotor within an improved blade-to-hub connectionUNITED TECHNOLOGIES CORP·Filed 1990·Granted May 5, 1992·31 cites·12 claims
- 2458US5810562AComposite rotating swashplate for a helicopter rotor systemSIKORSKY AIRCRAFT CORP·Filed 1996·Granted Sep 22, 1998·30 cites·22 claims
- 2558US4804315AComposite helicopter swashplateUNITED TECHNOLOGIES CORP·Filed 1987·Granted Feb 14, 1989·24 cites·1 claims
- 2657US5286167ASpar-to-hub joint for a flexbeam helicopter rotorUNITED TECHNOLOGIES CORP·Filed 1992·Granted Feb 15, 1994·28 cites·14 claims
- 2757US4797064AComposite helicopter rotor hubUNITED TECHNOLOGIES CORP·Filed 1987·Granted Jan 10, 1989·22 cites·14 claims
- 2856US6578793B2Method and apparatus for fiber strap terminationSIKORSKY AIRCRAFT CORP·Filed 2001·Granted Jun 17, 2003·13 cites·16 claims
- 2956US5499903ASnubber bearing mounting assembly for bearingless rotorsUNITED TECHNOLOGIES CORP·Filed 1994·Granted Mar 19, 1996·26 cites·18 claims
- 3054US6074126AStructural interlock for inhibiting relative rotation between mating elementsSIKORSKY AIRCRAFT CORP·Filed 1997·Granted Jun 13, 2000·17 cites·10 claims
- 3151US5242267ABearingless main rotor assembly torque tubeUNITED TECHNOLOGIES CORP·Filed 1993·Granted Sep 7, 1993·28 cites·9 claims
- 3249US9555880B2Flexbeam rotorHUNTER DAVID H·Filed 2012·Granted Jan 31, 2017·1 cites·22 claims
- 3349US6398497B1Blade lock system for variable diameter rotor systemsSIKORSKY AIRCRAFT CORP·Filed 2001·Granted Jun 4, 2002·9 cites·21 claims
- 3448US5035576APropeller blade pin attachmentUNITED TECHNOLOGIES CORP·Filed 1989·Granted Jul 30, 1991·17 cites·4 claims
- 3545US4568246AFiber reinforced/epoxy matrix composite helicopter rotor torque tubeUNITED TECHNOLOGIES CORP·Filed 1983·Granted Feb 4, 1986·14 cites·1 claims
- 3644US5083725AElastomeric swashplate configuration for helicoptersUNITED TECHNOLOGIES CORP·Filed 1990·Granted Jan 28, 1992·18 cites·8 claims
- 3743US4568244AFiber reinforced/epoxy matrix composite helicopter rotor main hub plateUNITED TECHNOLOGIES CORP·Filed 1983·Granted Feb 4, 1986·13 cites·1 claims
- 3836US5523530AElastomeric acoustic insulatorUNITED TECHNOLOGIES CORP·Filed 1994·Granted Jun 4, 1996·14 cites·7 claims
- 3936US4676669ATailoring tilt in an elastomeric high torque, constant velocity jointUNITED TECHNOLOGIES CORP·Filed 1986·Granted Jun 30, 1987·8 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →