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CHICAGO DEV CORP

Overview
  • Total Patents
    56
About

CHICAGO DEV CORP has a total of 56 patent applications. Its first patent ever was published in 1950. It filed its patents most often in United States and France. Its main competitors in its focus markets surface technology and coating, materials and metallurgy and machines are INFINIUM INC, UNIVERSAL ACHEMETAL TITANIUM LLC and METALYSIS LTD.

Patent filings in countries

World map showing CHICAGO DEV CORPs patent filings in countries
# Country Total Patents
#1 United States 55
#2 France 1

Patent filings per year

Chart showing CHICAGO DEV CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dean Reginald S 27
#2 Gullett William W 18
#3 Mccawley Frank X 9
#4 Raney Ben B 6
#5 Resnick Leroy D 4

Latest patents

Publication Filing date Title
US3003890A Production of lubricating compositions from zirconium compounds
US3152885A Titanium group metals
US2946730A Refining titanium alloys
US2982646A Manganese alloys
US2941931A Compounds of zirconium and methods of preparing same
US2943984A Control of oxygen in metals of groups iv-b, v-b, vi-b, and their alloys
US2987390A Electrorefining of molybdenum
US2946729A Production of electrolytic zirconium
US2951795A Production of polyvalent metals
US2951794A Pure chromium
US2948608A Heat treatable alloys of titanium or zirconium
US2998642A Bonding of titanium to steel
US2949357A High purity titanium-manganese alloy
US2920022A Preparation of titanium-manganese alloys
US2865797A Method of forming carbonaceous protective coatings on titanium and zirconium
US2858258A Deoxidation of alkalinous halides
US2881105A Method of fabricating and treating titanium-aluminum alloy parts to improve them forhigh temperature use
US2927067A Electrorefining of zirconium
US2834727A Purification of molten electrolytes
US2893115A Method of coating and working metal