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HYDRAWERK AG

Overview
  • Total Patents
    98
About

HYDRAWERK AG has a total of 98 patent applications. Its first patent ever was published in 1930. It filed its patents most often in Germany, Austria and France. Its main competitors in its focus markets electrical machinery and energy, surface technology and coating and telecommunications are FREIBERG KONDENSATORENWERK, RUBEN CONDENSER COMPANY and LELON ELECTRONICS CORP.

Patent filings in countries

World map showing HYDRAWERK AGs patent filings in countries
# Country Total Patents
#1 Germany 61
#2 Austria 12
#3 France 10
#4 United Kingdom 10
#5 United States 2
#6 Belgium 1
#7 Switzerland 1
#8 Denmark 1

Patent filings per year

Chart showing HYDRAWERK AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Seiff Werner 5
#2 Johannsen Klaus Dr-Ing 5
#3 Schaefer Dr-Ing Friedrich Augu 5
#4 Truemper Dr-Ing Ernst 4
#5 Mueller Fritz 4
#6 Johannsen Dr-Ing Klaus 4
#7 Nauk Georg Dr Ing 3
#8 Thiel Dr-Ing Heinz 3
#9 Froehlich Hans 3
#10 Dieckmann Dr-Ing Guenter 3

Latest patents

Publication Filing date Title
US3412636A Apparatus for cutting and handling very thin foils
GB923920A Improvements relating to capacitors
US3263137A Electrolytic capacitor having filmed-electrode of spaced layers
GB1001418A An electrolytic capacitor
GB946359A Casing for electrical components
GB925618A Improvements in and relating to electrical capacitors
DE1220040B Process for the production of electrical capacitors soaked with synthetic resin
DE1038192B Dry electrolytic wound capacitor with high dielectric strength
GB478195A Improvements in electric condensers
GB456254A Improvements in and relating to electrolytic condensers
GB469729A Improvements in electrolytic condensers
GB454202A Improvements in electrolytic condensers
GB456618A Improvements in electrical condensers
GB462970A Improved apparatus for suppressing interference in wireless