Viking Heat Engines AS

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 324
 
  
 
F01K STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES 325
 
  
 
F02G HOT-GAS OR COMBUSTION- PRODUCT POSITIVE-DISPLaCEMENT ENGINE PLANTS 320
 
  
 
F01L CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES 253
 
  
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 171
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
F24D DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR 119
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 167

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0211,509 Inlet Valve Arrangement and Method for External-Heat EngineSep 09, 15Jul 27, 17[F01L, F02B, F01B, F02G]
2016/0017,757 Device and Method for Operational and Safety Control of a Heat EngineFeb 17, 14Jan 21, 16[F01K]
2015/0219,227 Pulse-width-regulating valveAug 21, 13Aug 06, 15[F16K]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9909674 Pulse-width-regulating valveAug 21, 13Mar 06, 18[F16K, F01L]
9874175 External heat engine deviceOct 07, 14Jan 23, 18[F01K, F01L, F02G]
9222360 Combined power and heating stationApr 03, 13Dec 29, 15[H02J, F01K, F01B, F24D, F02G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8590302 Thermodynamic cycle and heat engineExpiredMar 25, 11Nov 26, 13[F25B, F01B]
2013/0283,792 Device and Method for Energy Supply for a Thermal Power Station System for a Building or a VesselAbandonedFeb 16, 11Oct 31, 13[F01K, F03G]

Top Inventors for This Owner

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