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NIEDERSCHELD GMBH ARMATURWERK

Overview
  • Total Patents
    82
About

NIEDERSCHELD GMBH ARMATURWERK has a total of 82 patent applications. Its first patent ever was published in 1960. It filed its patents most often in Germany, France and Austria. Its main competitors in its focus markets thermal processes, mechanical elements and control are SOURDILLON ETS, SOURDILLON MATRICAGE ROBINETTE and HARRY JAMES YATES.

Patent filings in countries

World map showing NIEDERSCHELD GMBH ARMATURWERKs patent filings in countries
# Country Total Patents
#1 Germany 48
#2 France 18
#3 Austria 5
#4 United Kingdom 4
#5 Spain 3
#6 Switzerland 2
#7 Hungary 1
#8 United States 1

Patent filings per year

Chart showing NIEDERSCHELD GMBH ARMATURWERKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Letzel Helmut 26
#2 Reich Walther 11
#3 Braas Alfred 10
#4 Selzer Ferdinand 7
#5 Welsch Axel 4
#6 Bender Helmut 3
#7 Frischholz Ludwig 3
#8 Helmut Letzel 2
#9 Alfred Braas 2
#10 Vries Hendrik De 2

Latest patents

Publication Filing date Title
DE2527957A1 Water temperature mixing chamber - separates mechanical thermostatic control element from water using oil to avoid lime deposits
DE2401676A1 Pipe fitting with internal thread - having insert of tough resilient material to provide sealing of screw connection
DE2330009A1 Mixer tap for hot and cold water - with thermostatic regulation of the mixed water temperature
DE2321674A1 HANDLE THERMOSTAT
DE2260845A1 THERMOSTATIC MIXING TAP
DE2260372A1 GAS VALVE WITH RECONSTRUCTION LOCK
DE2256396A1 SHOWER TRAY
HU173257B Combustion pot for liquid fuels
DE2155863A1 ARRANGEMENT OF THE REGULATORY BODIES FOR GAS ACCESS TO THE INDIVIDUAL BURNERS OF A GAS COOKER
DE2143180A1 FOLDING STOVE FOR LIQUID GAS
FR2104153A5 Pipe coupling - incorporating a chamfered polyamide olive to obtain a hand tightened seal
DE2040304A1 Mixer tap
DE2038368A1 Radiator thermostat
DE1959300A1 Rectangular burner for liquid fuel
DE1955525A1 Automatic charger for electric night storage devices
US3646958A Quick-acting valve with rocker-type operating button
DE1941149A1 Thermostatically controlled gas control valve
DE1934493A1 Changeover valve
DE1920347A1 Gas valve for gas stoves
DE1918681A1 Gas-heated cooking and heating device