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GLOBE STEEL TUBES CO

Overview
  • Total Patents
    17
About

GLOBE STEEL TUBES CO has a total of 17 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United States, Canada and Austria. Its main competitors in its focus markets machine tools, surface technology and coating and machines are PATENTS CORP, NIPPON KANIZEN KK and NIPPON STEEL HARDFACING.

Patent filings in countries

World map showing GLOBE STEEL TUBES COs patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 2
#3 Austria 1
#4 Germany 1
#5 Spain 1
#6 France 1

Patent filings per year

Chart showing GLOBE STEEL TUBES COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ihrig Harry K 7
#2 Sjobring Nels P 2
#3 Foren Pehr A 2
#4 Martin Swanson 2
#5 Nygren Karl A 1
#6 Walzer George W 1
#7 Zschlesche Johannes A 1

Latest patents

Publication Filing date Title
US2157902A Impregnation of metals with silicon
US2142941A Impregnation of metals with silicon
US2163753A Method of making hot molding die plates and other castings and product thereof
US2109485A Impregnation of metals with silicon
US2071533A Process of cementation
US2046629A Process of cementation
US2003551A Tube rolling mill
US2049577A Tube drawing machine
US1858990A Method of and means for rolling seamless tubing
US1553727A Electric welding machine
US1553726A Electric welding machine
CA382747A Metal siliconizing method
CA332495A Seamless tubing rolling apparatus