STEFFES CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F23G CREMATION FURNACES; CONSUMING WASTE BY COMBUSTION48
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 381
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL268
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 299
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 2118
 
  
 
2303 HEATING EQUIPMENT214
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
F23D BURNERS 131
 
  
 
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

Publication # Title Filing Date Pub Date Intl Class
2015/0323,177 AIR-ASSIST FLAREMay 06, 15Nov 12, 15[F23G, F23D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9791067 Flare tip valve dampeningJul 31, 15Oct 17, 17[F16K, F23G, G05D]
9791842 Electrical appliance energy consumption controlOct 13, 16Oct 17, 17[G05B, G05D]
9732983 Hot water service monitoringFeb 28, 13Aug 15, 17[F24H, F24D]
9478988 Electrical appliance energy consumption controlApr 24, 15Oct 25, 16[H02J, G05B, G05D]
9037308 Electrical appliance energy consumption controlJun 27, 14May 19, 15[H02J, G05B]
8805597 Electrical appliance energy consumption controlSep 18, 09Aug 12, 14[H05B, G06F, G05D]
D684682 Flare stack burner having spherical valveOct 04, 12Jun 18, 13[2303]
D671204 Flare stack burner assemblyFeb 14, 12Nov 20, 12[2303]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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