Assignee
PRATT & WHITNEY ROCKETDYNE INC
US·51 granted patents·13 pending applications·1,353 citations·filing 2002–2013
Top patents by PatentIndex Score
64 records- 0198US7740672B2Method and apparatus for a coal gasifierPRATT & WHITNEY ROCKETDYNE INC·Filed 2008·Granted Jun 22, 2010·54 cites·10 claims
- 0298US7387197B2Linear tractor dry coal extrusion pumpPRATT & WHITNEY ROCKETDYNE INC·Filed 2006·Granted Jun 17, 2008·69 cites·23 claims
- 0397US7927574B2Method for regenerating a solid reactantPRATT & WHITNEY ROCKETDYNE INC·Filed 2008·Granted Apr 19, 2011·43 cites·10 claims
- 0497US7615198B2Apparatus for continuously feeding and pressurizing a solid material into a high pressure systemPRATT & WHITNEY ROCKETDYNE INC·Filed 2007·Granted Nov 10, 2009·48 cites·23 claims
- 0597US7516607B2Method and apparatus for mixing substancesPRATT & WHITNEY ROCKETDYNE INC·Filed 2005·Granted Apr 14, 2009·59 cites·4 claims
- 0697US7469544B2Method and apparatus for injecting a fuel into a combustor assemblyPRATT & WHITNEY ROCKETDYNE INC·Filed 2003·Granted Dec 30, 2008·88 cites·26 claims
- 0797US7402188B2Method and apparatus for coal gasifierPRATT & WHITNEY ROCKETDYNE INC·Filed 2004·Granted Jul 22, 2008·76 cites·29 claims
- 0896US8356467B2Combustion wave ignition for combustorsPRATT & WHITNEY ROCKETDYNE INC·Filed 2006·Granted Jan 22, 2013·25 cites·20 claims
- 0996US7826054B2Fuel cell instrumentation systemPRATT & WHITNEY ROCKETDYNE INC·Filed 2007·Granted Nov 2, 2010·42 cites·15 claims
- 1096US7717046B2High pressure dry coal slurry extrusion pumpPRATT & WHITNEY ROCKETDYNE INC·Filed 2005·Granted May 18, 2010·52 cites·29 claims
- 1196US7303597B2Method and apparatus for continuously feeding and pressurizing a solid material into a high pressure systemPRATT & WHITNEY ROCKETDYNE INC·Filed 2002·Granted Dec 4, 2007·61 cites·22 claims
- 1295US7299633B2Solar dish concentrator with a molten salt receiver incorporating thermal energy storagePRATT & WHITNEY ROCKETDYNE INC·Filed 2006·Granted Nov 27, 2007·97 cites·22 claims
- 1394US7360639B2Hot rotary screw pumpPRATT & WHITNEY ROCKETDYNE INC·Filed 2004·Granted Apr 22, 2008·74 cites·34 claims
- 1493US7762077B2Single-stage hypersonic vehicle featuring advanced swirl combustionPRATT & WHITNEY ROCKETDYNE INC·Filed 2006·Granted Jul 27, 2010·43 cites·32 claims
- 1593US7740671B2Dump cooled gasifierPRATT & WHITNEY ROCKETDYNE INC·Filed 2006·Granted Jun 22, 2010·47 cites·10 claims
- 1693US7111463B2Combustion wave ignition for combustorsPRATT & WHITNEY ROCKETDYNE INC·Filed 2004·Granted Sep 26, 2006·73 cites·18 claims
- 1792US7731783B2Continuous pressure letdown systemPRATT & WHITNEY ROCKETDYNE INC·Filed 2007·Granted Jun 8, 2010·51 cites·20 claims
- 1891US8011861B2Method and apparatus for continuously feeding and pressurizing a solid material into a high pressure systemPRATT & WHITNEY ROCKETDYNE INC·Filed 2007·Granted Sep 6, 2011·13 cites·11 claims
- 1990US7922433B2Locking fastening apparatusPRATT & WHITNEY ROCKETDYNE INC·Filed 2007·Granted Apr 12, 2011·33 cites·18 claims
- 2089US7955054B2Internally damped bladePRATT & WHITNEY ROCKETDYNE INC·Filed 2009·Granted Jun 7, 2011·27 cites·24 claims
- 2188US7334396B2Method and apparatus for a rocket engine power cyclePRATT & WHITNEY ROCKETDYNE INC·Filed 2007·Granted Feb 26, 2008·27 cites·20 claims
- 2287US7623974B2System and method for detecting onset of structural failurePRATT & WHITNEY ROCKETDYNE INC·Filed 2007·Granted Nov 24, 2009·16 cites·38 claims
- 2387US7565795B1Piezo-resonance igniter and ignition method for propellant liquid rocket enginePRATT & WHITNEY ROCKETDYNE INC·Filed 2006·Granted Jul 28, 2009·16 cites·24 claims
- 2486US7891298B2Guided projectilePRATT & WHITNEY ROCKETDYNE INC·Filed 2008·Granted Feb 22, 2011·34 cites·23 claims
- 2585US7097414B2Inducer tip vortex suppressorPRATT & WHITNEY ROCKETDYNE INC·Filed 2003·Granted Aug 29, 2006·32 cites·28 claims
- 2683US7823510B1Extended range projectilePRATT & WHITNEY ROCKETDYNE INC·Filed 2008·Granted Nov 2, 2010·22 cites·25 claims
- 2783US7640726B2Injector assembly having multiple manifolds for propellant deliveryPRATT & WHITNEY ROCKETDYNE INC·Filed 2005·Granted Jan 5, 2010·9 cites·18 claims
- 2881US7339776B1Silicon carbide diode voltage limiterPRATT & WHITNEY ROCKETDYNE INC·Filed 2006·Granted Mar 4, 2008·12 cites·8 claims
- 2978US7726127B2Solar power for thermochemical production of hydrogenPRATT & WHITNEY ROCKETDYNE INC·Filed 2007·Granted Jun 1, 2010·11 cites·16 claims
- 3078US7690265B2Constant moment testing device for elongated membersPRATT & WHITNEY ROCKETDYNE INC·Filed 2007·Granted Apr 6, 2010·7 cites·15 claims
- 3173US7972572B2Reactor vessel and linerPRATT & WHITNEY ROCKETDYNE INC·Filed 2008·Granted Jul 5, 2011·3 cites·28 claims
- 3273US7689385B2Method of animating structural vibration under operational conditionsPRATT & WHITNEY ROCKETDYNE INC·Filed 2007·Granted Mar 30, 2010·9 cites·8 claims
- 3370US7762058B2Ultra-compact, high performance aerovortical rocket thrusterPRATT & WHITNEY ROCKETDYNE INC·Filed 2007·Granted Jul 27, 2010·9 cites·14 claims
- 3470US7391031B1Detection of peroxides and superoxides with fast neutronsPRATT & WHITNEY ROCKETDYNE INC·Filed 2006·Granted Jun 24, 2008·2 cites·20 claims
- 3569US7786839B2Passive electrical components with inorganic dielectric coating layerPRATT & WHITNEY ROCKETDYNE INC·Filed 2008·Granted Aug 31, 2010·4 cites·18 claims
- 3668US7690192B2Compact, high performance swirl combustion rocket enginePRATT & WHITNEY ROCKETDYNE INC·Filed 2007·Granted Apr 6, 2010·8 cites·22 claims
- 3767US7604259B2Damper root ringPRATT & WHITNEY ROCKETDYNE INC·Filed 2007·Granted Oct 20, 2009·5 cites·17 claims
- 3866USRE42844ELinear tractor dry coal extrusion pumpPRATT & WHITNEY ROCKETDYNE INC·Filed 2008·Granted Oct 18, 2011·3 cites·35 claims
- 3966US7594760B2Bearing cup rotational lock assemblyPRATT & WHITNEY ROCKETDYNE INC·Filed 2003·Granted Sep 29, 2009·13 cites·28 claims
- 4063US7669593B2Thermally controlled solar reflector facet with heat recoveryPRATT & WHITNEY ROCKETDYNE INC·Filed 2004·Granted Mar 2, 2010·8 cites·21 claims
- 4163US7607299B2Thermal cycle engine with augmented thermal energy input areaPRATT & WHITNEY ROCKETDYNE INC·Filed 2005·Granted Oct 27, 2009·3 cites·23 claims
- 4258US7380842B1Spherical flange assemblyPRATT & WHITNEY ROCKETDYNE INC·Filed 2006·Granted Jun 3, 2008·1 cites·14 claims
- 4357US8011187B2Fuel injection method and apparatus for a combustorPRATT & WHITNEY ROCKETDYNE INC·Filed 2006·Granted Sep 6, 2011·4 cites·11 claims
- 4457US7544068B2Fully shielded backshell for electrical connectorPRATT & WHITNEY ROCKETDYNE INC·Filed 2007·Granted Jun 9, 2009·10 cites·16 claims
- 4557US2008066799A1Optical Concentrator for Solar Cell Electrical Power GenerationPRATT & WHITNEY ROCKETDYNE INC·Filed 2007·Application pending·0 cites
- 4656US7596940B2Rocket engine nozzle and method of fabricating a rocket engine nozzle using pressure brazingPRATT & WHITNEY ROCKETDYNE INC·Filed 2005·Granted Oct 6, 2009·5 cites·10 claims
- 4755US2011108019A1Heliostat jointPRATT & WHITNEY ROCKETDYNE INC·Filed 2009·Application pending·0 cites
- 4851US7459131B2Reduced temperature regernerating/calcining apparatus for hydrogen generationPRATT & WHITNEY ROCKETDYNE INC·Filed 2004·Granted Dec 2, 2008·0 cites·9 claims
- 4949US2008311420A1Friction stir welding of oxide dispersion strengthened alloysPRATT & WHITNEY ROCKETDYNE INC·Filed 2007·Application pending·0 cites
- 5048US9574668B2Adjustable valve sleevePRATT & WHITNEY ROCKETDYNE INC·Filed 2013·Granted Feb 21, 2017·0 cites·10 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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