HOVAL AKTIENGESELLSCHAFT

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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 240
 
  
 
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
 
  
 
F23D BURNERS 131
 
  
 
F23L AIR SUPPLY; DRAUGHT-INDUCING; SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS 116
 
  
 
F23N REGULATING OR CONTROLLING COMBUSTION 120
 
  
 
F24H FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, IN GENERAL 126

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9739503 Heat exchanger tube and heating boiler having such a heat exchanger tubeAug 26, 15Aug 22, 17[F24H, F28F]
9052108 Premixing combustion deviceJul 25, 11Jun 09, 15[F23L, F23N, F23D]
8038129 Method and device for cooling circulating airJul 06, 09Oct 18, 11[B01F]
7571900 Method and device for cooling circulating airNov 25, 03Aug 11, 09[B01F]
6990964 Apparatus for regulating the gas/air ration for a pre-mixing combustion deviceMay 20, 04Jan 31, 06[F02M]
6070657 Heat exchanger tube for heating boilersSep 16, 96Jun 06, 00[F28F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0069,128 METHOD AND DEVICE FOR CONTROLLING A VOLUME FLOW OF A WETTING FLUID DURING ADIABATIC COOLINGAbandonedSep 09, 13Mar 13, 14[F24F]
2013/0247,801 GRATE AND METHOD OF BURNING A GRANULAR FUEL MATERIALAbandonedMar 20, 13Sep 26, 13[F23G]

Top Inventors for This Owner

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