Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Precise control non-return valve

Precise control non-return valve

US Patent 7527493 · Granted May 5, 2009

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Plasticating and injection molding system2024
Miniature automatic shutoff nozzle tip2014
Plasticating screw for efficient melting and mixing of polymeric material2004
Positive control non-return valve for an injection molding machine2002
Screw and plasticating apparatus and method1998
Plastic extruder having a mixing valve with automatic shut-off1995
Pipe coupling device and method1993
Plastic extruder with automatic shut-off valve1992
Plastic feeding device and method1992
Methods of injection molding and extruding wet hygroscopic ionomers1990