Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Back-to-back valve gate system

Back-to-back valve gate system

US Patent 5478230 · Granted Dec 26, 1995

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Apparatus for controlled blowing of asphalt2015
Esterification and transesterification systems, methods and apparatus2010
Methods and apparatus for materials processing2002
Heater block with unitized removable heat conductive member2000
Method for applying a differential heating to injection nozzle2000
Heating device for an injection mold apparatus1998
Minimum vestige nozzle assembly for plastics injection molding1998
Fluid injecting nozzle having spaced projections1998
Fluid injecting apparatus1998
Heater block for injection molding with removable heat conductive member in groo1996
Nozzle for heating and passing a fluid into a mold1996
Fluid injecting nozzle having spaced projections1995