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PAUL FIRCHOW NACHFGR APP UND U

Overview
  • Total Patents
    21
About

PAUL FIRCHOW NACHFGR APP UND U has a total of 21 patent applications. Its first patent ever was published in 1935. It filed its patents most often in Germany, Denmark and France. Its main competitors in its focus markets measurement, electrical machinery and energy and mechanical elements are JEAN SOULAT, ANHUI HEKAI ELECTRICAL TECH CO LTD and SHANGHAI JINGYI ELECTRICAL APPARATUS FACTORY CO LTD.

Patent filings in countries

World map showing PAUL FIRCHOW NACHFGR APP UND Us patent filings in countries
# Country Total Patents
#1 Germany 18
#2 Denmark 1
#3 France 1
#4 United Kingdom 1

Patent filings per year

Chart showing PAUL FIRCHOW NACHFGR APP UND Us patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ohle Dipl-Ing Fritz 4
#2 Ohle Fritz Dipl-Ing 2
#3 Hintze Hans 2
#4 Scharrer Paul 2
#5 Weissmann Dr-Ing Harry 2
#6 Stoeppler Robert 1
#7 Kamp Walter 1
#8 Schroeder Alfred 1
#9 Hinze Dr-Ing Alfred 1
#10 Schneider Rolf Dipl-Ing 1

Latest patents

Publication Filing date Title
DE1083422B Device for correct setting of single-phase alternating current meters
DE1043462B Timing relay
DE1047907B Winding and setting device for a timer
DE1063683B Electric snap switch
DE1030909B Vibration damped contact spring arrangement in switches or the like.
DE951240C Heat meter
DE1008988B Link between two hermetically separated drives
DE930075C Remote control receiver for audio frequency systems
DE911149C Coupling for swivel rails
DE924334C Time switch
DE973990C Switching mechanism with several adjustment elements for the compulsory implementation of switching sequences
DE914511C Selector device for electrical switching processes
DE910687C Selector device for switching operations to be triggered by a clockwork or the like
DE903112C Selector device for electrical switching processes
DE680982C Electromagnetic remote time switch with an electrically heated two-metal time element
DE630849C Switching arrangement for staircase clocks with additional circuit, z. B. for house number lighting
DE624519C Switching arrangement for night time electricity meter in connection with a time switch for hot water storage tank
DE593978C Modification of the arrangement for tariff switching devices, in particular hot water storage systems, in which the electricity consumer and an upstream remuneration counter are in the control circuit of a time switch and the switch of this clock together with the current winding of that counter is bridged by a line with a resistor whose active value is a multiple of the active value that current winding is