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SPARCATRON LTD

Overview
  • Total Patents
    88
About

SPARCATRON LTD has a total of 88 patent applications. Its first patent ever was published in 1950. It filed its patents most often in United Kingdom, France and Germany. Its main competitors in its focus markets machine tools, basic materials chemistry and electrical machinery and energy are INOUE JAPAX RES, ELECTRODRILL INC and ZEDOMU KK.

Patent filings in countries

World map showing SPARCATRON LTDs patent filings in countries

Patent filings per year

Chart showing SPARCATRON LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fefer Gregory 18
#2 Rudorff Dagobert William Alfre 13
#3 Rudorff Dagobert William 9
#4 Smith Gordon Victor 9
#5 Gregory Fefer 6
#6 Seed Michael Geoffrey 3
#7 Ward Eric John 3
#8 Smith Gordon V 3
#9 Taylor Peter Laurence 2
#10 Stanton Anthony Howard 2

Latest patents

Publication Filing date Title
GB1281606A Improvements in electrical discharge machining apparatus
GB1256358A Improvements in electro-erosion machinery
GB1168682A Improvements in Electro Erosion Machinery.
FR1534276A Control of the working gap in a spark erosion machine
GB1164806A Improvements in or relating to Spark-Erosion Machines
FR1442002A Improvement in the machining of electrically conductive materials by electro-erosion
GB1081572A Improvements in the electro-erosion of electrically conductive materials
GB1070351A Fluid operated piston and cylinder devices
GB1067647A Improvements in electrolytic grinding machines
GB1004907A Improvements in electro-erosion apparatus
GB966894A Improvements in the electric disintegration of conductive materials
FR76774E Improvement in electrical sparking or disintegration devices for conductive materials
US3020448A Electric disintegration of conductive materials
GB894722A Improvements in apparatus for the cutting and surface treating of materials by electric discharging
GB910468A Improvements in apparatus for working electrically conductive materials
GB870593A Improvements in and relating to apparatus for the production of metallic surface layers on metals
GB901970A Improvements in and relating to apparatus for cutting electrically conductive materials
GB830917A Improvements in and relating to methods and apparatus for shaping, grinding or polishing articles of electrically conductive materials
GB849839A Apparatus for producing high temperature arc plasma
US2876386A Electric disintegration of conductive materials