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FRANCIS CHRISTOPHER STEPHAN

Overview
  • Total Patents
    20
About

FRANCIS CHRISTOPHER STEPHAN has a total of 20 patent applications. Its first patent ever was published in 1935. It filed its patents most often in United Kingdom. Its main competitors in its focus markets electrical machinery and energy, organic fine chemistry and machine tools are CONDENSATEURS SOC IND DES, FREIBERG KONDENSATORENWERK and HYDRAWERK AG.

Patent filings in countries

World map showing FRANCIS CHRISTOPHER STEPHANs patent filings in countries
# Country Total Patents
#1 United Kingdom 20

Patent filings per year

Chart showing FRANCIS CHRISTOPHER STEPHANs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
GB660473A Improvements in and relating to electrical capacitors
GB634769A Improvements in and relating to metal encased electrical components, particularly capacitors
GB636583A Improved electric connector arrangement for capacitors
GB608645A Improvements in and relating to electrical terminals
GB603190A Improvements in and relating to multiple element capacitors
GB599881A Improvements in and relating to guillotines
GB595886A Improvements in and relating to multiple capacitors
GB571000A Improvements in and relating to connecting means for ceramic condensers and other electrical components of tubular or cup shape
GB567594A Improved method of and means for fixing terminal insulators
GB569764A Improvements in and relating to insulated electric terminals
GB562413A Improvements in casings for electrical components such as condensers
GB529236A Improvements in or relating to electric condensers more particularly for high frequency and wireless purposes and processes for the manufacture thereof
GB483220A Improvements in or relating to electrolytes for use in electrolytic condensers
GB485526A Improvements in and relating to electric condensers
GB448830A Improvements in or relating to electrolytes for use in electrolytic condensers
GB439788A Improvements in or relating to electrolytes for use in electrolytic condensers
GB436195A Improvements in or relating to electrical condensers
GB436130A Improvements in or relating to electrical condensers
GB438329A Improvements in or relating to the manufacture of dielectric materials
GB430234A Improvements in or relating to processes for the purification of glycols or derivatives thereof