Behr-Thomson Dehnstoffregler GmbH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01P COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES 634
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 225
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 1110

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5866882 Thermostatic working element having an electric resistance heating element and method of making sameDec 05, 95Feb 02, 99[H05B, F01B]
5676308 Thermostatic valveDec 15, 95Oct 14, 97[F01B]
5617816 Cooling system for an internal-combustion engine of a motor vehicle having a thermostatic valveJan 11, 96Apr 08, 97[F01P]
5607324 Electric connection for a component arranged in a liquid-carrying housingJun 07, 95Mar 04, 97[H02R]
5603485 Valve plate for a thermostatic valveMar 30, 95Feb 18, 97[F16K]
5555854 Cooling system for an internal-combustion engine of a motor vehicle comprising a thermostatic valve which contains an electrically heatable expansion elementJan 20, 95Sep 17, 96[F01P]
5482010 Cooling system for an internal-combustion engine of a motor vehicle with a thermostatic valve having an electrically heatable expansion elementJul 19, 94Jan 09, 96[F01P]
5447271 Thermostatic valveMay 06, 94Sep 05, 95[F01P]
5419488 Thermostatic valveAug 02, 94May 30, 95[F01P]
5385296 Electrically heatable thermostatic valve for a coolant circulating system of an internal-combustion engineOct 08, 93Jan 31, 95[F01P]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5883365 Thermostatic working element having an electric heating elementExpiredJun 24, 97Mar 16, 99[H05B, F01B]
5738276 ValveExpiredMar 22, 96Apr 14, 98[G05D]
5678300 Process for bringing the electric heating element into a housingExpiredJan 17, 96Oct 21, 97[H05B, H05K]
5494005 Cooling system for an internal combustion engine of a motor vehicle comprising a valveExpiredSep 07, 94Feb 27, 96[F01P]
5394134 Electric switchgearExpiredNov 08, 93Feb 28, 95[H01H]
5292064 Cover for a housed thermostatExpiredMar 22, 93Mar 08, 94[F01P]
5238185 Thermostatic valve device having a pilot valveExpiredJul 17, 92Aug 24, 93[F01P]
5231955 Thermostatic valve arrangementExpiredAug 07, 92Aug 03, 93[F01P]
5195467 Thermostatic valve for controlling coolant temperature of an internal-combustion engineExpiredDec 31, 91Mar 23, 93[F01P]
5183012 Thermostatic valveExpiredFeb 19, 92Feb 02, 93[F01P]
5095940 Thermostatic valveExpiredDec 18, 90Mar 17, 92[F16K]
4955431 Cooling device for an internal combustion engine and method for controlling such a cooling deviceExpiredFeb 11, 88Sep 11, 90[F01P, G05D]
4306210 Two-stage temperature switchExpiredDec 29, 78Dec 15, 81[H01H]
4225841 Temperature-dependent switchExpiredJul 18, 78Sep 30, 80[H01H]

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