Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Hardenable cast iron and the method of making cast iron

Hardenable cast iron and the method of making cast iron

US Patent 4666533 · Granted May 19, 1987

Estimated economic value: $34,240,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Combination sand cleaning and heat treating apparatus for sand casted metallic p1993
Method for producing a selectively surface hardened cast iron part1993
Method for preparing high silicon, low carbon austempered cast iron1992
Method and apparatus for surface austempering of cast iron parts1991
High silicon, low carbon austemperable cast iron1991
Expendable cap device to minimize dross inclusions in the vacuum casting process1990
Gray cast iron having both increased wear resistance and toughness1990
Machinable ductile or semiductile cast iron and method1988
Method of controlling metallurgical structure of cast aluminum1986
Method of making CG iron1986
Method of making CG iron1986
Method of making ductile cast iron with improved strength1984