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RUSTLESS IRON & STEEL CORP

Overview
  • Total Patents
    88
About

RUSTLESS IRON & STEEL CORP has a total of 88 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United States and Canada. Its main competitors in its focus markets materials and metallurgy, machines and surface technology and coating are ELECTRO METALLURG CO, AMERICAN METALLURG PRODUCTS CO and LUDLUM STEEL COMPANY.

Patent filings in countries

World map showing RUSTLESS IRON & STEEL CORPs patent filings in countries
# Country Total Patents
#1 United States 57
#2 Canada 31

Patent filings per year

Chart showing RUSTLESS IRON & STEEL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Feild Alexander L 16
#2 Nicholas Krivobok Vsevolod 10
#3 Arness William B 8
#4 Schaufus Henry S 7
#5 Ostrofsky James N 5
#6 Bell Arness William 4
#7 Arness William Bell 3
#8 Bloom Frederick Kenneth 3
#9 Krivobok Vsevolod Nicolas 3
#10 Clingan Irvine C 2

Latest patents

Publication Filing date Title
US2388731A Grinding dust separation
US2384024A Thermocouple tube
US2363736A Stainless steel process
US2336237A Alloy process
US2378397A Alloy process
US2370364A Alloy steel process
US2379066A Polishing stainless iron and steel
US2387130A Alloy process
US2310341A Rustless iron
US2303991A Production of stainless steel
US2384567A Alloy steel method and products
US2384565A Alloy steel and articles
US2384566A Method of working alloy steel and products thereof
US2278495A Method of working steel, and products thereof
US2266952A Stainless steel treatment and product
US2359993A Wire treating method
US2347742A Pickling process
US2331721A Polishing stainless iron and steel
US2262693A Electric welding
US2262705A Electric welding