The United States of America as represented by the Secretary of Transportation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 4202
 
  
 
G01K MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR 244
 
  
 
F25J LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT 128
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
H01Q AERIALS 1109

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7725410 Method, apparatus and system for aircraft deicing and estimating deicing completion timesApr 06, 06May 25, 10[G06F, G06G]
7592816 Localizer cable fault analyzerAug 08, 06Sep 22, 09[H01Q, G01S, G01R]
6477783 Gyratory compactor angle measurement deviceSep 19, 00Nov 12, 02[G01N, G01B]
6470730 Dry transfer method for the preparation of explosives test samplesAug 18, 00Oct 29, 02[G01N]
6464391 Heat release rate calorimeter for milligram samplesDec 22, 00Oct 15, 02[G01K, G01N]
6116049 Adiabatic expansion nozzleNov 13, 98Sep 12, 00[F25J]
5981290 Microscale combustion calorimeterApr 07, 97Nov 09, 99[G01K, G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2006/0133,445 Flammability testerAbandonedDec 16, 04Jun 22, 06[G01N]
6899540 Threat image projection systemExpiredJul 30, 98May 31, 05[G09B]
6812834 Reference sample for generating smoky atmosphereExpiredJan 17, 02Nov 02, 04[G08B]
6680099 Enhancing damage tolerance of adhesive bondsExpiredJan 21, 97Jan 20, 04[B32B]
6478951 Compatibilizer for crumb rubber modified asphaltExpiredApr 29, 96Nov 12, 02[C10G, C10C, C08L]
6467950 Device and method to measure mass loss rate of an electrically heated sampleExpiredJul 26, 01Oct 22, 02[G01N]
6358743 Contraband substances reference sample carrierExpiredJul 06, 00Mar 19, 02[G01N]
5983945 Wing tank linerExpiredJun 04, 96Nov 16, 99[B64D]
5851276 Crumb rubber modified asphalt with improved settling propertiesExpiredSep 03, 97Dec 22, 98[C09D]
5762700 Catalytic process for producing free radicals on crumb rubberExpiredAug 01, 97Jun 09, 98[C08F, C09D]
5697580 Infant transporting means for airplanesExpiredMay 21, 97Dec 16, 97[B64D]
5312072 Minimum area smoke evacuation nozzleExpiredAug 09, 90May 17, 94[B64D]
5209642 Modified optimum pitch propellerExpiredFeb 08, 91May 11, 93[B63H]
5177998 Center of gravity and moments of inertia measurement deviceExpiredFeb 04, 88Jan 12, 93[G01M]
5042164 Means and method for calculating the instantaneous shape of the periphery of a cross-section of a body as it is being deformedExpiredDec 22, 89Aug 27, 91[G01B]
4994092 Helium smoke generatorExpiredJun 27, 89Feb 19, 91[C10L]
4932908 Energy efficient asymmetric pre-swirl vane and twisted propeller propulsion systemExpiredMar 03, 88Jun 12, 90[B63H]
4684949 VHF/radar transponder collision avoidance aidExpiredJan 17, 83Aug 04, 87[G01S]
4580519 Low tire pressure warning deviceExpiredOct 29, 80Apr 08, 86[B60C]
4578994 Temperature insensitive pressure jump detectorExpiredSep 09, 80Apr 01, 86[F01N, G01W]

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