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ECKERFELD ALFRED

Overview
  • Total Patents
    167
About

ECKERFELD ALFRED has a total of 167 patent applications. Its first patent ever was published in 1956. It filed its patents most often in Germany, United Kingdom and Austria. Its main competitors in its focus markets thermal processes, electrical machinery and energy and furniture and games are THERMOWATT SPA, IMI SANTON LTD and ALAN WRIGHT.

Patent filings per year

Chart showing ECKERFELD ALFREDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Eckerfeld Alfred 85
#2 Schomann Leonid 57
#3 Leonid Schomann 14
#4 Alfred Eckerfeld 11
#5 Halanke Josef 7
#6 Josef Halanke 4
#7 Bunke Horst 3
#8 Wesbach Werner 3
#9 Schohmann Leonid 2
#10 Horst Bunke 2

Latest patents

Publication Filing date Title
EP0189446A1 Electronic power regulation device for an electric hot water apparatus with output temperature regulation.
DE3437242A1 Electronic power controller, especially for controlling the outlet temperature of electrical continuous-flow heaters
DE3426046A1 Electrical continuous-flow heater having a controllable outlet temperature
DE2811958A1 Two circuit solar heating system - has thermostatically operated valves upper and lower hot water tank heating sections
DE2705729A1 Water flow heater control switch - uses water pressure to operate microswitches responsive to low operating pressure
DE2705728A1 Electric water flow heater - has heating channels and water resistance channels around heating channels and formed by plastics tubes
US3536422A Intake safety device for fluid pumps
GB1143106A Continuous flow water heaters operating with two heating steps and including a flow controller
GB1092973A Device for evacuating a basin serving for bathing purposes, preferably of a shower basin of a shower cabin
US3409715A Method of casting workpieces from casting resin
GB1100208A Electrically heated continuous-flow heater
DE1281069B Flow regulator for water heaters working with two heating levels
GB1114714A Electric continuous-flow heater
GB1086626A Electrically heated continuous-flow heater with heating coils
DE1264642B Electric instant water heater
GB1046955A Sectional shower cabin
DE1283414B Electric current switch with current display device, in particular for limiting the current of electrode heaters
DE1259480B Water heater with live electrodes
DE1223076B Device for heating water or water-containing solids, e.g. B. Food
DE1248186B Device for thawing and subsequent heating of frozen food