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YOUNGSTOWN SHEET AND TUBE CO

Overview
  • Total Patents
    386
About

YOUNGSTOWN SHEET AND TUBE CO has a total of 386 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machines, machine tools and mechanical elements are CLOCK SPRING COMPANY L P, INSITUFORM TECHNOLOGIES INC and UMAC INC.

Patent filings in countries

World map showing YOUNGSTOWN SHEET AND TUBE COs patent filings in countries
# Country Total Patents
#1 United States 238
#2 Canada 71
#3 United Kingdom 25
#4 France 22
#5 Germany 16
#6 Sweden 5
#7 Norway 3
#8 Brazil 2
#9 Finland 2
#10 Italy 1
#11 Japan 1

Patent filings per year

Chart showing YOUNGSTOWN SHEET AND TUBE COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cullen Roy H 26
#2 Elliott Charles H 22
#3 Ashton Albert A 22
#4 Adams Jr James L 20
#5 Aker Jimmie R 18
#6 Mirfield George E 13
#7 Busch Thomas N 11
#8 Hoadley Cyrus E 7
#9 Busch T 7
#10 Pryor Dale H 7

Latest patents

Publication Filing date Title
US4290463A Loading arm
US4227891A Recovery of hydrocarbon vapors from air
US4213322A Method and apparatus for upsetting pipe
US4188824A Coating adherence prospensity testing of metal substrates
CA1044885A Work guide for pipe reeling machines and the like and process for treating the same
CA1026214A Tree harvester
US4110824A Method and apparatus for continuously processing strand
US4113283A Pipe coupler for various size flanges
US4161273A Tube joint and method of making same
US4053742A Energy measuring systems adapted for use in conjunction with load moving and weight indicating devices
US4097569A Modified vinyl ester resin and pipe made therefrom
US4082576A Ultra-high strength low alloy titanium bearing flat rolled steel and process for making
US4044582A Work guide for pipe reeling machines and the like and process for treating the same
US4041007A Epoxy composition and article of manufacture thereof
CA1070120A Steelmaking process
CA1070119A Steelmaking process
US4018250A Modified vinyl ester resin and pipe made therefrom
US3988412A Method of making pipe having a liner layer of mixed resins
US3990330A Method of producing seamless tube mill piercer mandrel
US3950190A Recovery-annealed cold-reduced plain carbon steels and methods of producing