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BERNHARD BERGHAUS

Overview
  • Total Patents
    171
About

BERNHARD BERGHAUS has a total of 171 patent applications. Its first patent ever was published in 1932. It filed its patents most often in Germany, United Kingdom and United States. Its main competitors in its focus markets surface technology and coating, electrical machinery and energy and machine tools are BERGHAUS BERNHARD, KURT J LESKER COMPANY and MINEGISHI TOMOHIRO.

Patent filings in countries

World map showing BERNHARD BERGHAUSs patent filings in countries
# Country Total Patents
#1 Germany 90
#2 United Kingdom 52
#3 United States 24
#4 Canada 5

Patent filings per year

Chart showing BERNHARD BERGHAUSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Burkhardt Wilhelm 32
#2 Berghaus Bernhard 28
#3 Hagedorn Dipl-Ing Gerhard 15
#4 Bernhard Berghaus 11
#5 Wilhelm Burkhardt 8
#6 Hass Dipl-Ing Walter 7
#7 Rudolf Reinecke 5
#8 Gerhard Hagedorn 5
#9 Zapf Dr Gerhard 4
#10 Bucek Hans 4

Latest patents

Publication Filing date Title
US3257296A Process for obtaining metals by fusion electrolysis
US3256818A Method of reducing barrel wear
US3260892A Device for avoidance of irregular changes of the discharge condition for discharge vessels provided for high current glow discharges
US3190772A Method of hardening work in an electric glow discharge
US3152056A Method of producing nu-h compounds, particularly hydrazine compounds
GB899451A Improvements in and relating to variable-speed transmissions for machines
US3090745A Method of and apparatus for producing reactions under electrical action
GB810802A An improved process for the treatment of tubes of iron, steel or iron alloys
GB780850A An improved lead-in for electric currents in gas discharge vessels
GB744753A Improvements in or relating to gun-barrels
GB759694A Improvements in or relating to methods and apparatus for carrying out processes for the treatment of objects and materials employing electric glow discharges
GB716869A Improvements in or relating to glow discharge chambers
GB743120A Improvements in or relating to vessels for electric gas discharge processes having acurrent lead-in assembly
US2342784A Purification of gases
GB529544A Improvements in and relating to the thermal obtention of metals from metal compounds
GB529545A Improvements in electric resistance welding installations
US2251877A Electric resistance welding installation
US2217586A Method for burnishing iron and steel articles
GB522692A Improvements in and relating to electronic discharge tubes
GB522356A Gas inlet and outlet for cathode disintegration apparatus and other like vacuum apparatus