MARTIN MARIETTA CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 883
 
  
 
G06T IMAGE DATA PROCESSING OR GENERATION, IN GENERAL 2133
 
  
 
A61F FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS 1139
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
B60R VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR 1109
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 126
 
  
 
F16H GEARING199
 
  
 
F41A FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE 134
 
  
 
F41F APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS 110
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D439522 Sample bottleDec 17, 99Mar 27, 01[0901]
D433338 Sample bottleSep 09, 99Nov 07, 00[0901]
5867073 Waveguide to transmission line transitionJun 08, 94Feb 02, 99[H01P]
5678405 Continuously variable hydrostatic transmissionApr 07, 95Oct 21, 97[F16D]
5668940 Method and apparatus for anti-aliasing polygon edges in a computer imaging systemAug 19, 94Sep 16, 97[G06T]
5650585 Ignitor for use in a liquid monopropellant gas generatorMay 30, 95Jul 22, 97[F41F]
5648052 Liquid monopropellant gas generatorMay 30, 95Jul 15, 97[B01J]
5642617 Continuously variable hydrostatic transmission with neutral-setting hydraulic circuitOct 16, 95Jul 01, 97[F16D]
5594192 Active ammunition magazine with improved chain conveyorMar 10, 95Jan 14, 97[F41A]
5592021 Clamp for securing a power device to a heatsinkApr 26, 95Jan 07, 97[H01L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0269,610 System and Method for Assembly of Packettes Having ClosuresAbandonedMay 24, 11Nov 03, 11[B31B]
5721060 High-temperature, High-emissivity, optically black boron surfaceExpiredMay 22, 91Feb 24, 98[B32B]
5668450 Half-wave, brushless, four-phase DC motor with bifilar windingsExpiredApr 17, 95Sep 16, 97[H02K]
5647573 High pressure fluid valve assemblyExpiredNov 13, 95Jul 15, 97[F16K]
5631436 Gun equipped with down-bore liquid propellant booster stage to increase projectile muzzle velocityExpiredJun 15, 95May 20, 97[F41F]
5608414 Heat rejecting spacecraft array antennaExpiredJun 30, 95Mar 04, 97[H01Q]
5594194 Dual-axis ammunition reorienterExpiredMay 01, 95Jan 14, 97[F41A]
5586579 Combination ball valve and pressure relief valve assemblyExpiredNov 15, 95Dec 24, 96[F16K]
5583313 Retractable blast pressure and flash suppressor assembly for gunsExpiredJun 05, 95Dec 10, 96[F41A]
5566150 Multibeam optical apparatus and method for tracking control for an optical disk having a set of tracksExpiredSep 26, 94Oct 15, 96[G11B]
5561085 Structure for protecting air bridges on semiconductor chips from damageExpiredDec 19, 94Oct 01, 96[H01L]
5546421 Self compensating spread-spectrum hybridExpiredAug 22, 94Aug 13, 96[H04B]
5542336 Positioning apparatus and method utilizing PWM control of a double-acting hydraulic cylinderExpiredApr 17, 95Aug 06, 96[F15B, F01B]
5540048 Continuously variable hydrostatic transmission including a pulse width modulation ratio controllerExpiredJan 30, 95Jul 30, 96[F15B, F16D]
5531072 Continuously variable hydrostatic transmission having swashplate-mounted cylinder blocksExpiredMar 31, 95Jul 02, 96[F16D]
5528295 Color television camera using tunable optical filtersExpiredApr 28, 94Jun 18, 96[H04N]
5520359 Spacecraft with gradual acceleration of solar panelsExpiredMay 02, 94May 28, 96[B64G]
5515060 Clutter suppression for thinned array with phase only nullingExpiredMay 11, 95May 07, 96[H01Q]
5500621 Travelling-wave tube protection arrangementExpiredApr 03, 95Mar 19, 96[H03F]
5491450 Low power consumption process-insensitive feedback amplifierExpiredJun 01, 93Feb 13, 96[H03F]

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