Martin Marietta Energy Systems, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 9145
 
  
 
C22C ALLOYS 468
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 4155
 
  
 
C30B SINGLE-CRYSTAL GROWTH 353
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 3203
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM2155
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 266
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 243
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 299
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING271

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6035914 Counterfeit-resistant materials and a method and apparatus for authenticating materialsOct 22, 93Mar 14, 00[B32B]
6001229 Apparatus and method for performing microfluidic manipulations for chemical analysisAug 01, 94Dec 14, 99[G10N]
5963776 Non-lead environmentally safe projectiles and method of making sameDec 16, 96Oct 05, 99[B22F, F42B]
5744075 Method for rapid fabrication of fiber preforms and structural composite materialsMay 19, 95Apr 28, 98[C01B, B29C]
5741377 Structures having enhanced biaxial texture and method of fabricating sameApr 10, 95Apr 21, 98[C22F]
5654084 Protective coatings for sensitive materialsJul 22, 94Aug 05, 97[B05D]
5612152 Rechargeable lithium battery for use in applications requiring a low to high power outputApr 17, 96Mar 18, 97[H01M]
5612601 Method for assessing motor insulation on operating motorsDec 07, 95Mar 18, 97[G01R]
5599717 Advanced synchronous luminescence systemSep 02, 94Feb 04, 97[G01N]
5597660 Electrolyte for an electrochemical cellMay 25, 94Jan 28, 97[H01M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6055446 Continuous lengths of oxide superconductorsExpiredNov 26, 97Apr 25, 00[B32B]
5910220 Apparatus and method for selective area deposition of thin films on electrically biased substratesExpiredAug 05, 94Jun 08, 99[C23C]
5876866 Process for growing a film epitaxially upon an oxide surface and structures formed with the processExpiredAug 21, 95Mar 02, 99[B32B]
5856033 Process for growing a film epitaxially upon an oxide surface and structures formed with the processExpiredAug 21, 95Jan 05, 99[B32B]
5843764 Method for separating the non-inked cellulose fibers from the inked cellulose fibers in cellulosic materialsExpiredJan 18, 95Dec 01, 98[D21C]
5839830 Passivated diamond film temperature sensing probe and measuring system employing sameExpiredMar 21, 97Nov 24, 98[G01K]
5830828 Process for fabricating continuous lengths of superconductorExpiredJul 22, 96Nov 03, 98[H01L, H01B]
5789651 Isolation and characterization of Agouti: a diabetes/obesity related geneExpiredJun 05, 95Aug 04, 98[C12N]
5774449 Multimedia-based decision support system for hazards recognition and abatementExpiredMar 31, 95Jun 30, 98[G06F]
5759228 Nozzle for electric dispersion reactorExpiredJan 16, 96Jun 02, 98[B22D]
5751830 Method and apparatus for coherent imaging of infrared energyExpiredMay 24, 95May 12, 98[G06K]
5746783 Low emissions diesel fuelExpiredNov 08, 95May 05, 98[C01L]
5712212 Apparatus and method for the production of gel beads containing a biocatalystExpiredMar 08, 95Jan 27, 98[C12N, B01D]
5687093 Integrated system for gathering, processing, and reporting data relating to site contaminationExpiredFeb 17, 95Nov 11, 97[G01N, G06G]
5680252 Miniature hybrid optical imaging lensExpiredMar 23, 95Oct 21, 97[G02B]
5665440 Casting of particle-based hollow shapesExpiredMar 27, 95Sep 09, 97[C04B, B29D]
5644483 Voltage balanced multilevel voltage source converter systemExpiredMay 22, 95Jul 01, 97[H02M]
5642273 Resonant snubber inverterExpiredSep 30, 94Jun 24, 97[H02H]
5637935 Double-duct liquid metal magnetohydrodynamic engineExpiredMay 05, 94Jun 10, 97[H02K]
5635143 Mobile system for microwave removal of concrete surfacesExpiredSep 30, 94Jun 03, 97[H05B]

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