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HAZELETT CLARENCE W

Overview
  • Total Patents
    15
About

HAZELETT CLARENCE W has a total of 15 patent applications. Its first patent ever was published in 1928. It filed its patents most often in United States and Canada. Its main competitors in its focus markets materials and metallurgy, machines and machine tools are DAVIS JAMES CAREY, FERROX CO ETS INT and GONDA METAL INDUSTRY CORP LTD.

Patent filings in countries

World map showing HAZELETT CLARENCE Ws patent filings in countries
# Country Total Patents
#1 United States 12
#2 Canada 3

Patent filings per year

Chart showing HAZELETT CLARENCE Ws patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Materials and metallurgy
#2 Machines
#3 Machine tools

Top inventors

# Name Total Patents
#1 Hazelett Clarence W 15

Latest patents

Publication Filing date Title
US2640235A Metal manufacturing apparatus
US2450428A Strip forming apparatus
US2408514A Metalworking process and apparatus
US2383310A Continuous casting apparatus and process
US2276615A Process for making thin glass
US2127515A Method of producing solid metal of substantially constant cross section throughout its length directly from a mass of molten metal and to an apparatus therefor
US2157538A Distributing device
US2123894A Method of producing hollow metallic shapes and apparatus therefor
US2075394A Method of surfacing metallic rolls for rolling metals and apparatus therefor
US2058448A Metalworking
US2058447A Metalworking process
US1955459A Casting apparatus
CA514956A Metal manufacturing apparatus
CA229447A Storage battery
CA324252A Casting apparatus