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CREDE HELFRIED

Overview
  • Total Patents
    27
About

CREDE HELFRIED has a total of 27 patent applications. Its first patent ever was published in 1969. It filed its patents most often in Germany, EPO (European Patent Office) and Switzerland. Its main competitors in its focus markets environmental technology, thermal processes and engines, pumps and turbines are AOI K, BEDIA MASCHF VERWALT and AOI KATASHI.

Patent filings in countries

World map showing CREDE HELFRIEDs patent filings in countries

Patent filings per year

Chart showing CREDE HELFRIEDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Crede Helfried Dipl Phys 14
#2 Crede Helfried 10
#3 Herufuriido Kureede 1

Latest patents

Publication Filing date Title
DE3134276A1 Device for obtaining heating heat according to the heat pump principle
DE3115891A1 Device for obtaining heating heat according to the heat pump principle
EP0034141A1 Utilization of a heat pump for the feeding of house hold appliances
EP0029033A1 Process for purifying the exhaust gases of a combustion engine driving a heat pump and purifying device for carrying out such process
EP0029835A1 Exhaust device for internal combustion engines combined with a heat pump.
EP0026172A1 Process for the purification of a diesel engine exhaust gas and for the utilization of its heat, engine used for driving a heat pump heating device
DE3030957A1 Condensing IC engine exhaust gas decontaminator - has coolant evaporator in condensate reservoir to supplement through-wall cooling
DE3007962A1 Purification of diesel engine exhaust glass - by passing cooled gases through condensate which is periodically discharged
DE3000878A1 Exhaust connection for combined heat pump and diesel engine - has reduced area portion inside exchanger to cause high temp. and increase heat transmission
DE2939694A1 Multiple effect evaporation desalination plant - has heat pump and uses reduced pressure to utilise heat from sea water to evaporate off fresh water
DE2935324A1 Low drag car body - has air intakes in front and cooling air ducted over silencer to rear low pressure area
DE2934591A1 Purification of diesel engine exhaust glass - by passing cooled gases through condensate which is periodically discharged
DE2922808A1 Diesel engine driven heat pump refrigerant compressor - has reduced diameter exhaust tube in tubular heat exchanger for heating circuit
DE2913580A1 Diesel engine exhaust gas decontamination system - passes cooled gas repeatedly through cooled condensate, dissolving contaminants
DE2836768A1 DEVICE FOR THE EXTRACTION OF HEATING HEAT ACCORDING TO THE HEAT PUMP PRINCIPLE
DE2805825A1 Diesel engine driven heat pump - uses heat exchange with pump pressure side, engine cooling water and exhaust gas to generate hot water or air
DE2744615A1 Heat pump driven by diesel engine - uses waste heat of exhaust to preheat source and condenses pollutants out of exhaust
JPS5320149A Energy recovery system
DE2715075A1 Energy recovery system e.g. for ice rink - extracts heat by pump from water tank then reheats from surrounding sources
DE2650236A1 Heat pump with water and ice circuit - uses heat recovered in electrolysis of water to obtain hydrogen