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DUERRWAECHTER E DR DODUCO

Overview
  • Total Patents
    440
About

DUERRWAECHTER E DR DODUCO has a total of 440 patent applications. Its first patent ever was published in 1954. It filed its patents most often in Germany, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets electrical machinery and energy, materials and metallurgy and machines are METALS & CONTROLS CORP, OKAZAKI TASUKU and CLARE & CO C P.

Patent filings per year

Chart showing DUERRWAECHTER E DR DODUCOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Normann Norbert 26
#2 Schulze Gunter Lothar 21
#3 Gross Erwin 19
#4 Normann Norbert Dipl Phys Dr 19
#5 Michal Roland 19
#6 Uhl Guenter 18
#7 Uhl Guenter Dipl Ing Dr 16
#8 Michal Roland Dipl Ing Dr 15
#9 Normann Norbert Dr 14
#10 Bahm Klaus Dipl Ing 13

Latest patents

Publication Filing date Title
DE19631784A1 Device for tire pressure monitoring in automobiles with a battery-operated circuit
DE19631783A1 Process for processing signals from a tire pressure monitoring system
DE19617974A1 Method for connecting a solder foil with contact plates for electrical switching devices
DE19614038A1 Hand-operated cursor control device for PC
DE19609024A1 Apparatus for controlling the amount of heat supplied during welding to the workpiece
DE19608479A1 Method for assigning transmitters of a tire pressure monitoring system to a specific vehicle
DE19605795A1 Arrangement of an electrical circuit board and an electrical pressure sensor
DE19602593C1 Method for operating devices on wheels with pneumatic tires for signaling tire pressure
DE19543522A1 Device for wired, unidirectional or bidirectional transmission of electrical signals to a steering wheel of a vehicle
DE19529981A1 Device for welding electrical contact pieces by resistance welding
DE19528272C1 Tool for welding electric contact elements by resistance welding
DE19528273C1 Resistance welding tool for electrical contacts
DE19523922A1 Electrical contact material prodn. for low and middle voltage applications
DE19523010A1 ASIC circuitry with power transistor and its energising circuit
DE19522486A1 Method for operating a device for monitoring and wireless signaling of a pressure change in pneumatic tires on vehicles
DE19518806A1 Device on vehicles for monitoring the air pressure in its tires
DE19518805A1 Device on vehicles for monitoring the air pressure in its tires
DE19517410C1 Automobile electric side window edge seal
DE19514864A1 Short-circuit protection for electrical igniters of airbags
DE19514619A1 Power semiconductor heat-sink arrangement