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GRAESSLIN FEINWERKTECH

Overview
  • Total Patents
    188
About

GRAESSLIN FEINWERKTECH has a total of 188 patent applications. Its first patent ever was published in 1963. It filed its patents most often in Germany, EPO (European Patent Office) and United States. Its main competitors in its focus markets measurement, electrical machinery and energy and control are SCHALTAPPARATE AG F, SCHWENK KG THEBEN WERK and PLYMPTON PATENTS.

Patent filings per year

Chart showing GRAESSLIN FEINWERKTECHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kammerer Gerd 46
#2 Graesslin Dieter 28
#3 Schonhardt Peter 22
#4 Thoma Fritz 17
#5 Hils Siegbert 13
#6 Haas Wolfgang 10
#7 Vollmer Hans 9
#8 Ulmer Manfred 7
#9 Bauer Herbert 7
#10 Thoma Friedrich Xaver 4

Latest patents

Publication Filing date Title
US4733026A Adjustable switch and actuator arm
GB8600355D0 Pin shields on electric plugs
DE3532758A1 CIRCUIT ARRANGEMENT FOR THE POWER SUPPLY FOR ELECTRICAL AND ELECTRONIC CONTROL UNITS
DE3505446A1 Method for saving control power for continuously operated electrical storage heaters
DE3504900A1 DEVICE FOR ADJUSTABLE INPUT DEVICES FOR ELECTRICAL OR ELECTRONIC CONTROL UNITS, ESPECIALLY FOR ELECTRIC MEMORY HEATING SYSTEMS
DE3437147A1 Device for charging controllers of electrical storage heaters
EP0176617A1 Electronic time switch
DE3433132A1 Device for charging controllers, which operate in a time-dependent manner, of electrical storage heaters
DE3412965A1 ELECTRICAL COMPONENT
DE3410684A1 Electronically controlled inductive voltage converter
EP0123122A1 Programme carrier for time measuring commutating devices
DE3447948A1 Device for mains-operated time-switches having an electrical battery backup
DE3401187A1 DEVICE FOR POWERED TIMER WITH ELECTRICAL GEAR RESERVE
EP0113417A1 Device for actuating the contactsprings of a contact stack
EP0114959A2 Electric switch for installations with electronic instruments
DE3310935A1 PROGRAMMABLE CONTROL DEVICE FOR SWITCHING TIMING DEVICES
DE3302655A1 Timer
US4504154A Indexing element for switching a chronometer
DE3244603C1 Device for thermostatic valves, in particular for lowering the temperature of thermostatically controlled radiators
EP0184224A2 Switching mechanism with plural ranges