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STEEL IMPROVEMENT & FORGE CO

Overview
  • Total Patents
    30
About

STEEL IMPROVEMENT & FORGE CO has a total of 30 patent applications. Its first patent ever was published in 1956. It filed its patents most often in Canada, Germany and United States. Its main competitors in its focus markets machine tools, machines and surface technology and coating are OOO ESM, LUO YUEFENG and JOHNSON SAMUEL HENRY.

Patent filings in countries

World map showing STEEL IMPROVEMENT & FORGE COs patent filings in countries
# Country Total Patents
#1 Canada 6
#2 Germany 5
#3 United States 5
#4 Switzerland 4
#5 United Kingdom 4
#6 France 3
#7 Austria 2
#8 Belgium 1

Patent filings per year

Chart showing STEEL IMPROVEMENT & FORGE COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Clifford John E 5
#2 E Clifford John 3
#3 Gurklis John A 2
#4 Faust Charles L 2
#5 Trager Kempes F 2
#6 John E Clifford 2
#7 Schwartz Jr Benno A 2
#8 Anthony Gurklis John 1
#9 Benno A Schwartz 1
#10 F Trager Kempes 1

Latest patents

Publication Filing date Title
GB1044224A Electrolytic removal of material
US3271283A Methods and apparatus for electrochemical shaping of a workpiece
US3338807A Method and apparatus for electrochemical machining wherein the workpiece functions as a bipolar electrode
GB942595A Method and apparatus for electroplating
GB927080A Electrolytic removal of material
US3183176A Apparatus for electrolytically treating the interior of a bore
US2900715A Protection of titanium
CA700953A Electrolytic erosion
CA717958A Electrolyte
CA668641A Electroshaping of conductive material
CA773541A Electrolytic removal of material
CA743528A Methods and apparatus for electrochemical shaping of a workpiece
CA673260A Method and apparatus for electroplating