Assignee
MC DONNELL DOUGLAS HELICOPTER
US·62 granted patents·2,350 citations·filing 1983–2000
Top patents by PatentIndex Score
62 records- 0196US5938404AOscillating air jets on aerodynamic surfacesMC DONNELL DOUGLAS HELICOPTER·Filed 1997·Granted Aug 17, 1999·127 cites·57 claims
- 0296US5813625AActive blowing system for rotorcraft vortex interaction noise reductionMC DONNELL DOUGLAS HELICOPTER·Filed 1996·Granted Sep 29, 1998·146 cites·20 claims
- 0393US5454530ACanard rotor/wingMC DONNELL DOUGLAS HELICOPTER·Filed 1993·Granted Oct 3, 1995·137 cites·14 claims
- 0487US5381985AWingtip mounted, counter-rotating proprotor for tiltwing aircraftMC DONNELL DOUGLAS HELICOPTER·Filed 1992·Granted Jan 17, 1995·93 cites·8 claims
- 0586US5915649ARoadable helicopterMC DONNELL DOUGLAS HELICOPTER·Filed 1996·Granted Jun 29, 1999·80 cites·23 claims
- 0685US5951608AFlight control system for jet powered tri-mode aircraftMC DONNELL DOUGLAS HELICOPTER·Filed 1997·Granted Sep 14, 1999·73 cites·8 claims
- 0784US5494180AHybrid resistance cards and methods for manufacturing sameMC DONNELL DOUGLAS HELICOPTER·Filed 1994·Granted Feb 27, 1996·46 cites·13 claims
- 0883US6234751B1Oscillating air jets for reducing HSI noiseMC DONNELL DOUGLAS HELICOPTER·Filed 1998·Granted May 22, 2001·67 cites·19 claims
- 0982US6543719B1Oscillating air jets for implementing blade variable twist, enhancing engine and blade efficiency, and reducing drag, vibration, download and ir signatureMC DONNELL DOUGLAS HELICOPTER·Filed 1998·Granted Apr 8, 2003·67 cites·111 claims
- 1082US5403155APower management for a turbine powered helicopterMC DONNELL DOUGLAS HELICOPTER·Filed 1993·Granted Apr 4, 1995·59 cites·12 claims
- 1182US5315309ADual polarization antennaMC DONNELL DOUGLAS HELICOPTER·Filed 1991·Granted May 24, 1994·80 cites·12 claims
- 1281US4650401AFlat strap cruciform flexure for helicopter rotor systemsMC DONNELL DOUGLAS HELICOPTER·Filed 1983·Granted Mar 17, 1987·58 cites·18 claims
- 1380US6821090B1Gust alleviation/flutter suppression deviceMC DONNELL DOUGLAS HELICOPTER·Filed 1999·Granted Nov 23, 2004·59 cites·7 claims
- 1480US6092990AOscillating air jets for helicopter rotor aerodynamic control and BVI noise reductionMC DONNELL DOUGLAS HELICOPTER·Filed 1997·Granted Jul 25, 2000·65 cites·31 claims
- 1579US5823857AApparatus and method for precision grinding of face gearsMC DONNELL DOUGLAS HELICOPTER·Filed 1996·Granted Oct 20, 1998·46 cites·5 claims
- 1679US5823470ASplit torque proprotor transmissionMC DONNELL DOUGLAS HELICOPTER·Filed 1996·Granted Oct 20, 1998·63 cites·19 claims
- 1778US5802918AConcentric face gear transmission assemblyMC DONNELL DOUGLAS HELICOPTER·Filed 1996·Granted Sep 8, 1998·42 cites·25 claims
- 1878US5588800ABlade vortex interaction noise reduction techniques for a rotorcraftMC DONNELL DOUGLAS HELICOPTER·Filed 1994·Granted Dec 31, 1996·52 cites·17 claims
- 1975US5583312ACold gas ejector rackMC DONNELL DOUGLAS HELICOPTER·Filed 1995·Granted Dec 10, 1996·54 cites·20 claims
- 2073US6193464B1Active brake control for rotor/wing aircraftMC DONNELL DOUGLAS HELICOPTER·Filed 1998·Granted Feb 27, 2001·46 cites·18 claims
- 2171US5641133ARotorcraft fuselage modal frequency placement using resilient mounting connectionsMC DONNELL DOUGLAS HELICOPTER·Filed 1994·Granted Jun 24, 1997·37 cites·18 claims
- 2270US6135713AHelicopter rotor blade flap actuator government interestMC DONNELL DOUGLAS HELICOPTER·Filed 1999·Granted Oct 24, 2000·45 cites·14 claims
- 2368US5844518AThermoplastic syntactic foam waffle absorberMC DONNELL DOUGLAS HELICOPTER·Filed 1997·Granted Dec 1, 1998·45 cites·25 claims
- 2467US6146253AApparatus and method for precision grinding face gearMC DONNELL DOUGLAS HELICOPTER·Filed 1997·Granted Nov 14, 2000·30 cites·25 claims
- 2566US6406783B1Bulk absorber and process for manufacturing sameMC DONNELL DOUGLAS HELICOPTER·Filed 2000·Granted Jun 18, 2002·17 cites·9 claims
- 2665US5862706AShaft deflection controllerMC DONNELL DOUGLAS HELICOPTER·Filed 1996·Granted Jan 26, 1999·21 cites·34 claims
- 2765US5462409ALeading edge weight retention assembly for a helicopter rotorMC DONNELL DOUGLAS HELICOPTER·Filed 1994·Granted Oct 31, 1995·25 cites·18 claims
- 2864US6005513APortable flight guidance and tracking systemMC DONNELL DOUGLAS HELICOPTER·Filed 1997·Granted Dec 21, 1999·75 cites·23 claims
- 2964US5799901ARotor blade swashplate-axis rotation and gyroscopic moments compensatorMC DONNELL DOUGLAS HELICOPTER·Filed 1997·Granted Sep 1, 1998·29 cites·14 claims
- 3064US5571992ALightweight shielded cable assemblyMC DONNELL DOUGLAS HELICOPTER·Filed 1994·Granted Nov 5, 1996·36 cites·8 claims
- 3161US5731056ARigid structure attachment using hook and loop fastenersMC DONNELL DOUGLAS HELICOPTER·Filed 1996·Granted Mar 24, 1998·21 cites·25 claims
- 3261US5711651ABlade vortex interaction noise reduction techniques for a rotorcraftMC DONNELL DOUGLAS HELICOPTER·Filed 1996·Granted Jan 27, 1998·30 cites·15 claims
- 3357US6131849AArticulating/telescoping duct for reaction drive helicoptersMC DONNELL DOUGLAS HELICOPTER·Filed 1998·Granted Oct 17, 2000·30 cites·7 claims
- 3456US6375779B1Method for making structures having low radar reflectivityMC DONNELL DOUGLAS HELICOPTER·Filed 1999·Granted Apr 23, 2002·21 cites·16 claims
- 3556US5850615ARotor blade swashplate-axis rotation and gyroscopic moments componsatorMC DONNELL DOUGLAS HELICOPTER·Filed 1995·Granted Dec 15, 1998·25 cites·19 claims
- 3654US5678786AReconfigurable helicopter flight control systemMC DONNELL DOUGLAS HELICOPTER·Filed 1995·Granted Oct 21, 1997·26 cites·34 claims
- 3752US5951252AHelicopter flap lock assemblyMC DONNELL DOUGLAS HELICOPTER·Filed 1997·Granted Sep 14, 1999·25 cites·20 claims
- 3852US5074169ABraided shield removalMC DONNELL DOUGLAS HELICOPTER·Filed 1990·Granted Dec 24, 1991·28 cites·13 claims
- 3951US5791875ATip vortex reduction systemMC DONNELL DOUGLAS HELICOPTER·Filed 1996·Granted Aug 11, 1998·24 cites·25 claims
- 4050US6161799ARotor blade lock for rotary/wing aircraftMC DONNELL DOUGLAS HELICOPTER·Filed 1998·Granted Dec 19, 2000·23 cites·19 claims
- 4149US6484214B1Method for distributed object communications based on dynamically acquired and assembled software componentsMC DONNELL DOUGLAS HELICOPTER·Filed 1998·Granted Nov 19, 2002·32 cites·30 claims
- 4249US6170779B1Rotor pitch lock for rotary/wing aircraftMC DONNELL DOUGLAS HELICOPTER·Filed 1998·Granted Jan 9, 2001·23 cites·12 claims
- 4346US4715263ARoll turret for a gun mountMC DONNELL DOUGLAS HELICOPTER·Filed 1985·Granted Dec 29, 1987·15 cites·5 claims
- 4445US5860810AAutomated instructional system for performing mechanical proceduresMC DONNELL DOUGLAS HELICOPTER·Filed 1995·Granted Jan 19, 1999·31 cites·15 claims
- 4545US5820071AMechanical coupler/decouplerMC DONNELL DOUGLAS HELICOPTER·Filed 1996·Granted Oct 13, 1998·16 cites·26 claims
- 4644US6056846ABonded composite structure and its fabricationMC DONNELL DOUGLAS HELICOPTER·Filed 1996·Granted May 2, 2000·11 cites·11 claims
- 4744US5621967AMethod of making a leading edge weight retention assembly for a helicopter rotorMC DONNELL DOUGLAS HELICOPTER·Filed 1995·Granted Apr 22, 1997·11 cites·6 claims
- 4841US5934875ARemovable helicopter mastMC DONNELL DOUGLAS HELICOPTER·Filed 1997·Granted Aug 10, 1999·16 cites·10 claims
- 4941US5934608AEfficient bi-directional air flow deflectorMC DONNELL DOUGLAS HELICOPTER·Filed 1998·Granted Aug 10, 1999·15 cites·26 claims
- 5041US5788181AThermostatic metal actuator for nozzle actuationMC DONNELL DOUGLAS HELICOPTER·Filed 1995·Granted Aug 4, 1998·14 cites·19 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
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