CHAPARRAL STEEL CO has a total of 32 patent applications. Its first patent ever was published in 1986. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets materials and metallurgy, machines and thermal processes are UNITED AMERICAN METALS CORP, FLOCON ITALIANA and GARRETT CROMWELL ENGINEERING COMPANY.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 6 | |
#2 | Canada | 4 | |
#3 | EPO (European Patent Office) | 4 | |
#4 | China | 3 | |
#5 | WIPO (World Intellectual Property Organization) | 3 | |
#6 | Australia | 2 | |
#7 | Brazil | 1 | |
#8 | Czechoslovakia | 1 | |
#9 | Hungary | 1 | |
#10 | Republic of Korea | 1 | |
#11 | Mexico | 1 | |
#12 | Norway | 1 | |
#13 | Poland | 1 | |
#14 | Russian Federation | 1 | |
#15 | Turkey | 1 | |
#16 | South Africa | 1 |
# | Industry | |
---|---|---|
#1 | Materials and metallurgy | |
#2 | Machines | |
#3 | Thermal processes | |
#4 | Civil engineering | |
#5 | Environmental technology | |
#6 | Machine tools |
# | Name | Total Patents |
---|---|---|
#1 | Rostik Libor F | 14 |
#2 | Forward Gordon E | 11 |
#3 | Schmelzle Lloyd M | 11 |
#4 | Hartman Richard J | 7 |
#5 | Jaffre Richard T | 5 |
#6 | Hunt Harry D | 5 |
#7 | Simcoe Robert J | 2 |
#8 | Libor F Rostik | 2 |
#9 | Lloyd M Schmelzle | 2 |
#10 | Wright Peter | 1 |
Publication | Filing date | Title |
---|---|---|
US7018140B1 | Z-shaped sheet piling | |
US5685524A | Direct ironmaking or steelmaking apparatus using self-reducing iron oxide pellets | |
RU2060098C1 | Continuous-cast beam billet and process of manufacture of beam profile | |
EP0355940A1 | Continuous casting mold with removable insert | |
US4824492A | Method for producing a precipitation hardenable martensitic low alloy steel forging | |
US4744406A | Horizontal continuous casting apparatus with break ring formed integral with mold |