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COPPERWELD CORP

Overview
  • Total Patents
    16
About

COPPERWELD CORP has a total of 16 patent applications. Its first patent ever was published in 1976. It filed its patents most often in United States, Spain and Brazil. Its main competitors in its focus markets machine tools, materials and metallurgy and machines are BIRAGHI FAB ETS, LAWSON JOHN F and CRAWFORD THOMAS J.

Patent filings in countries

World map showing COPPERWELD CORPs patent filings in countries

Patent filings per year

Chart showing COPPERWELD CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fraser Malcolm J 8
#2 Malone William M 5
#3 Rhoades John P 3
#4 Westfall Lee R 1
#5 Mcdougall Wallace R 1
#6 Seastone James C 1
#7 Fraser M 1
#8 Malone William A 1
#9 Westfall L 1

Latest patents

Publication Filing date Title
US5187866A Method of making a cam shaft
US4799971A Tubing for energy absorbing structures
US4759486A Controlled environment chamber for use in cladding a nonaluminum core with aluminum
GB8512519D0 A method of cladding a steel core rod
BR8500782A Process of covering a corner with steel soul with at least one strip coating composed of other metals
US4819858A Method of cladding a steel core rod with another metal
US4331283A Metal cladding
US4227061A Method and apparatus for cladding a metal rod with another metal