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WEIRTON STEEL CORP

Overview
  • Total Patents
    168
About

WEIRTON STEEL CORP has a total of 168 patent applications. Its first patent ever was published in 1985. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets machine tools, packaging and shipping and surface technology and coating are SOLUTION INC C, UNIVERSAL CAN CORP and ERBA MARIO.

Patent filings per year

Chart showing WEIRTON STEEL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Saunders William T 95
#2 Dalrymple William H 29
#3 Bray James A 15
#4 Sinsel John A 12
#5 Saunders William Thomas 10
#6 Jenkins Leonard A 10
#7 Olashuk Kenneth R 9
#8 Wang Jyhwen 8
#9 Meerdo Robert 8
#10 Johnston William L 7

Latest patents

Publication Filing date Title
WO2004011689A2 Polymeric coating formulations and steel substrate composites
AU2003249721A1 Processing and apparatus for production of engineered composite combining continuous-strip sheet metal and thermoplastic polymers
US6679273B2 Surface cleansing of continuous-strip steel for hot-dip metal coating and apparatus for decreasing surface cleansing solution requirements
AU3107601A Polymeric coated metal strip and method for producing same
JP2001175767A System and method for group performing interactive commercial transaction
US6280596B1 Electrolytic tinplating of steel substrate and apparatus
CA2242478A1 Improved weatherproofing for sheet metal roofing
WO9955469A1 Metal spray-coated flat-rolled mild steel and its manufacture
BR9811360A Process and tool for forming single hemispherical rivet, equipment for carrying out the process, single hemispheric rivet and rigid sheet metal end closure structure
US6035689A Rigid sheet metal rivet button fabrication for convenience-feature can stock
WO9818562A1 Manufacture of composite-metal slabs and flat-rolled product
US5953810A Weatherproofing for sheet metal roofing
US5941050A Protecting flat-rolled sheet metal for shipment and storage
US5830282A Continuous particle separation operation
WO9725454A2 Electrolytic plating of steel substrate
US5813811A Easy-access sheet metal container structures
US6305210B1 One-piece can bodies for pressure pack beverage cans
US5887647A Decreasing contamination of molten metal prior to solidification casting
WO9635525A2 Method of fabricating sheet metal can body
US5692634A Rigid packaging using gas-permeable membrane