LOCKHEED CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124
 
  
 
B63B SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 137
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167
 
  
 
C23F NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES 135
 
  
 
F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES 172
 
  
 
G01S RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES1108

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8562888 Portable sealant dispense systemJul 30, 09Oct 22, 13[B29C]
6017491 Non-toxic corrosion inhibitive compositions and methods thereforJun 11, 98Jan 25, 00[C04B, C23F]
5912643 Passive navigation systemMay 29, 97Jun 15, 99[G01S]
RE31563 Hydro-ski craft with longitudinal flapsMay 04, 82Apr 24, 84[B63B]
RE31275 Zeno duct sound attenuating meansMay 26, 81Jun 14, 83[F01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6000635 Exhaust nozzle for a turbojet engineExpiredOct 02, 95Dec 14, 99[F02K]
5793889 Plume or combustion detection by time sequence differentiationExpiredMay 25, 95Aug 11, 98[G06K]
5782432 Apparatus for a variable area nozzleExpiredDec 13, 95Jul 21, 98[B64D]
5697581 Towplate and method of delivering cargoExpiredAug 31, 95Dec 16, 97[B64D]
5590014 Method and apparatus for supplying electric powerExpiredMar 16, 95Dec 31, 96[H01G]
5516061 Shroud for a reversible thrust fanExpiredSep 19, 94May 14, 96[B64C]
5460676 Fabrication method for inflatable nose fairingExpiredMay 27, 94Oct 24, 95[B65H]
5419790 Non-toxic corrosion resistant conversion coating for aluminum and aluminum alloysExpiredNov 16, 93May 30, 95[C23C]
5399210 Non-toxic corrosion resistant conversion coating for aluminum and aluminum alloys and the process for making the sameExpiredFeb 03, 93Mar 21, 95[C23C]
5339331 Frequency hopping spread spectrum receiverExpiredSep 09, 93Aug 16, 94[H04L]
5307429 Temperature-independent optical couplerExpiredMay 04, 93Apr 26, 94[G02B]
5305150 Laser beam expander: 10.times.ExpiredNov 20, 92Apr 19, 94[G02B]
5261243 Supplemental cooling system for avionic equipmentExpiredSep 28, 92Nov 16, 93[F17C]
5210783 Penetrameter and method of useExpiredJun 03, 92May 11, 93[G01D]
5181808 Method and apparatus for automated drilling hole patterns in elongated workpiecesExpiredSep 18, 91Jan 26, 93[B23B]
5163027 Calibration block and method for an ultrasonic systemExpiredMar 20, 92Nov 10, 92[G01B, G01D]
5132070 Process for the manufacture of composite partsExpiredAug 17, 90Jul 21, 92[B29C]
5090803 Optical coordinate transfer assemblyExpiredSep 21, 90Feb 25, 92[G02B, G01B]
4984827 Concentric piping flex jointExpiredAug 26, 88Jan 15, 91[F16L]
4975483 Process for treating an aqueous solution of acrylamide resin in order to enable it to gel slowly even at high temperatureExpiredOct 22, 87Dec 04, 90[C08L]

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