DURATEK SERVICES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G21F PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR 1012
 
  
 
C25C PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR 514
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 3106
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 352
 
  
 
B01D SEPARATION 2132
 
  
 
B03B SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS 27
 
  
 
A61L METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES 170
 
  
 
A62B DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING 136
 
  
 
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 APPARATUS115
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 157

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5789648 Article made out of radioactive or hazardous waste and a method of making the sameMay 26, 95Aug 04, 98[G21F]
5672278 Method and system for suppression of foam of waste streamsMay 05, 95Sep 30, 97[B01D]
5640701 Method for remediating soil containing radioactive contaminantsDec 29, 92Jun 17, 97[G21F]
5640704 Process for solidification and immobilization of harmful waste speciesJul 24, 95Jun 17, 97[G21F]
5582800 Method and system for removal of harmful heteroatoms in gaseous waste streamsDec 28, 94Dec 10, 96[B01J, A62B]
5470544 System for steam-reforming of liquid or slurry feed materialApr 01, 94Nov 28, 95[A61L]
5439562 Electrochemical decontamination of radioactive metals by alkaline processingJun 17, 94Aug 08, 95[C25C]
5436384 Process for the remediation of contaminated particulate materialOct 18, 93Jul 25, 95[G21F]
5431295 Storage module for nuclear waste with improved linerSep 12, 91Jul 11, 95[B65D]
5427738 Method and system for detoxifying solid wasteApr 08, 94Jun 27, 95[B01J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5545796 Article made out of radioactive or hazardous waste and a method of making the sameExpiredFeb 25, 94Aug 13, 96[G21F]
5266494 Bench scale treatability method for evaluation of soil washingExpiredJan 31, 91Nov 30, 93[G21F]
5242503 Method of restoring contaminated solids using ion exchange powder contactExpiredDec 17, 90Sep 07, 93[B08B]
5128068 Method and apparatus for cleaning contaminated particulate materialExpiredMay 25, 90Jul 07, 92[G21F, B03B]
5045240 Contaminated soil restoration methodExpiredMay 01, 89Sep 03, 91[G21F, C02F]
4950426 Granular fill material for nuclear waste containing modulesExpiredMar 31, 89Aug 21, 90[G21F]
4874587 Hazardous waste reactor systemExpiredAug 26, 87Oct 17, 89[B01J]
4863702 Autoclave for hazardous wasteExpiredSep 01, 87Sep 05, 89[F28D, B01J, F23B]
4845372 Nuclear waste packing moduleExpiredDec 11, 87Jul 04, 89[G21F]
4792385 Electrolytic decontamination apparatus and encapsulation processExpiredNov 03, 87Dec 20, 88[C25F]
4784802 Nuclear waste disposal siteExpiredAug 20, 86Nov 15, 88[G21F, B65G]
4760260 Diagnostic whole body counterExpiredAug 15, 86Jul 26, 88[G01J, G01T]
4738799 Permanent disposal of radioactive particulate wasteExpiredMay 19, 86Apr 19, 88[G21F, G21C, B01D]
4685391 Remotely controlled multishaped container compacting pressExpiredJan 16, 86Aug 11, 87[B30B]
4633091 Container for the storage, transportation and ultimate disposal of low level nuclear wastesExpiredOct 12, 84Dec 30, 86[G21F]
4623510 Permanent disposal of radioactive particulate waste in cartridge containing ferromagnetic materialExpiredOct 28, 83Nov 18, 86[G21C]

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