Parsons Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A62D CHEMICAL MEANS FOR EXTINGUISHING FIRES; PROCESSES FOR MAKING HARMFUL CHEMICAL SUBSTANCES HARMLESS, OR LESS HARMFUL, BY EFFECTING A CHEMICAL CHANGE; COMPOSITION OF MATERIALS FOR COVERINGS OR CLOTHING FOR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; COMPOSITION OF MATERIALS FOR TRANSPARENT PARTS OF GAS-MASKS, RESPIRATORS, BREATHING BAGS OR HELMETS; COMPOSITION OF CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS412
 
  
 
F42B EXPLOSIVE CHARGES, e.g. FOR BLASTING; FIREWORKS; AMMUNITION 435
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 352
 
  
 
B09B DISPOSAL OF SOLID WASTE 29
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 157
 
  
 
B09C RECLAMATION OF CONTAMINATED SOIL 18
 
  
 
E04H BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL 129
 
  
 
F16M FRAMES, CASINGS, OR BEDS, OF ENGINES OR OTHER MACHINES OR APPARATUS, NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS OR SUPPORTS134
 
  
 
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
9388599 Wind tower erection systemFeb 26, 15Jul 12, 16[F03D, E04H]
9378368 System for automatically collecting and analyzing crash dumpsApr 30, 14Jun 28, 16[G06F]
9333542 Method to stimulate and sustain the anaerobic biodegradation of light non-aqueous phase liquidFeb 05, 14May 10, 16[B09C, C02F]
8679340 Method to stimulate and sustain the anaerobic biodegradation of light non-aqueous phase liquidJun 26, 13Mar 25, 14[C02F]
8568501 Transportable field containment system with transparent hoodApr 08, 11Oct 29, 13[B08B]
8297022 Portable vapor containment structureAug 25, 08Oct 30, 12[B09B]
7972573 Supercritical water oxidation apparatus and processMar 22, 10Jul 05, 11[B01J, C02F]
7878100 Method for removing toxic material from toxic weapon projectilesApr 06, 09Feb 01, 11[A62D, F42B]
7682514 Supercritical water oxidation apparatus and processMay 16, 07Mar 23, 10[C02F]
7631588 Apparatus for removing toxic material from toxic weapon projectilesJan 11, 06Dec 15, 09[A62D, F42B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0160,781 System for Treating Fine TailingsAbandonedDec 27, 10Jun 28, 12[B09C, B01D]
2012/0018,647 DETECTION METHOD FOR TECHNETIUM 99AbandonedOct 20, 10Jan 26, 12[G01N]
2008/0247,926 CATALYTIC PEROXIDE OXYGEN GENERATOR-CONCENTRATORAbandonedApr 05, 07Oct 09, 08[C01B]
2005/0159,635 Apparatus for removing toxic material from toxic weapon projectilesAbandonedJan 21, 04Jul 21, 05[A62D]
2005/0106,394 Transparent chemically resistant polymer compositeAbandonedNov 13, 03May 19, 05[B32B]
2004/0197,178 Lifting boom useable with a forkliftAbandonedApr 03, 03Oct 07, 04[B66F]
6214311 Process for direct reduction of sulfur compounds to elemental sulfur in combination with the claus processExpiredSep 21, 98Apr 10, 01[C01B]
5194239 Oxygen-based noncatalytic sulfuric acid processExpiredNov 15, 91Mar 16, 93[C01B]
4780305 Dual combustion oxygen-enriched claus sulfur plantExpiredOct 03, 86Oct 25, 88[C01B]
4483693 Reforming of hydrocarbons in the presence of sulfurExpiredMay 20, 82Nov 20, 84[C01B]
4406873 Process for sulfur productionExpiredJul 16, 81Sep 27, 83[C01B]
4279882 Process for sulfur productionExpiredApr 27, 79Jul 21, 81[C01B]
4233141 Process for removal of carbonyl sulfide in liquified hydrocarbon gases with absorption of acid gasesExpiredApr 27, 79Nov 11, 80[C01B, C07C]
4207304 Process for sulfur productionExpiredJun 27, 77Jun 10, 80[C01B]

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