Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method of and apparatus for packing sand around a mold pattern by vibration

Method of and apparatus for packing sand around a mold pattern by vibration

US Patent 4593739 · Granted Jun 10, 1986

Estimated economic value: $3,996,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Internal combustion engine with exhaust passage and reactor having a common wall1998
Method of molding FRP parts1998
Four-stroke internal combustion engine with contaminated oil elimination1995
Outboard motor with four stroke engine1995
Method of inserting, boring, and honing a cylinder bore liner1995
Four stroke one-piece engine block construction1995
Method and apparatus for producing housing having a cast-in-place insert using l1994
Vacuum valve apparatus for die casting1994
Vacuum valve design for die casting1994
Vacuum die casting process1993
Vacuum valve for die casting1993
Sealed shot sleeve for vacuum die casting1993