DRI-STEEM CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 1329
 
  
 
F24F AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING 837
 
  
 
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 368
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 365
 
  
 
F25D REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS 343
 
  
 
F28C HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION 35
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 381
 
  
 
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 250
 
  
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 182
 
  
 
F24D DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR 119

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9841200 Heat exchanger for removal of condensate from a steam dispersion systemNov 23, 15Dec 12, 17[B01F, F24F]
9801964 Evaporative cycles of concentration controlJan 16, 15Oct 31, 17[F28C, G05D, F25B, F25D, B01F, A61L, F24F]
9675719 Staging control for an evaporative media systemJan 16, 15Jun 13, 17[F28C, F25B, G05D, F25D, B01F, F24F, A61L]
9603957 Multiple pump evaporative media systemJan 16, 15Mar 28, 17[F28C, F25B, G05D, F25D, B01F, A61L, F24F]
9459055 Heat transfer system including tubing with nucleation boiling sitesJul 11, 13Oct 04, 16[F28F, F24F]
9353961 Insulation for a steam carrying apparatus and method of attachment thereofJan 07, 13May 31, 16[F22B, F24F]
9194595 Heat exchanger for removal of condensate from a steam dispersion systemDec 10, 13Nov 24, 15[B01F, F24F]
9170027 Quick-attach steam dispersion tubes and method of attachmentAug 20, 13Oct 27, 15[B01F, F24F]
8641021 Heat exchanger for removal of condensate from a steam dispersion systemAug 20, 13Feb 04, 14[B01F]
8534644 Quick-attach steam dispersion tubes and method of attachmentJan 16, 08Sep 17, 13[B01F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0079,179 Turbulence induced steam dispersion apparatusAbandonedAug 24, 07Apr 03, 08[B05B, B01F]
5099823 Seal retaining configuration for humidifierExpiredJul 25, 90Mar 31, 92[F24H]
5000765 Condensate inhibiting outlet pipe for water-steam separatorExpiredAug 18, 89Mar 19, 91[B01D]
4879902 Level control structure with probesExpiredAug 12, 88Nov 14, 89[G01F]

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