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CHICAGO METAL MFG CO

Overview
  • Total Patents
    17
About

CHICAGO METAL MFG CO has a total of 17 patent applications. Its first patent ever was published in 1925. It filed its patents most often in United States. Its main competitors in its focus markets machine tools, machines and mechanical elements are VERCO DECKING INC, NASSAU PRODUCTS and SOHLBERG PENTTI.

Patent filings in countries

World map showing CHICAGO METAL MFG COs patent filings in countries
# Country Total Patents
#1 United States 17

Patent filings per year

Chart showing CHICAGO METAL MFG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hauf George F 13
#2 Wendt Iii William H 2
#3 Krieps George D 2
#4 Egan James J 1
#5 Wendt W 1
#6 James Vani 1
#7 Ernest Pretorius 1

Latest patents

Publication Filing date Title
US3938235A Method for severing rings from a coil
US3878654A Machine for severing rings from a coil
US3835744A Machine for forming holes in angle rings or the like
US2895531A Roller shaft bearing for cold roll forming machine
US2915791A Prefabricated sealed building construction
US2927665A Prefabricated sealed building construction
US2666607A Support for coin controlled machines
US2546096A Construction of flexible pipe couplings
US2508716A Pipe coupling
US2339332A Portable irrigation pipe joint
US2337948A Door hinge
US2300743A Oven
US2182474A Support
US2085975A Support
US1915312A Ring forming machine
US1895323A Drying tray
US1673360A Bar support