Hunter Foundry

Patents

Hunter Foundry Machinery Corporation’s history of innovation began in 1964, and includes a total of 143 patents in the U.S. and around the world.

Industry Firsts

Hunter was the first company whose machinery included the following:

  • Technology Bridging The Gap Between Jobbing And High Production
  • Gravity Fill-Type Automatic Matchplate Molding
  • Both Matchplate And Cope-And-Drag Tooling
  • Recipe-Programmable Automatic Matchplate Molding
  • Automatic Coresetters For Matchplate Molding
  • Turntable Mold Handling Offered In Several Diameters
  • Integral Fume Hoods, From One To Six Levels Of Controlled In-Mold Cooling, For All Mold Sizes In All Models
  • More Than 90% Of Parts, Labor, And Components Made In The U.S.

Hunter Patents

Here are their currently held patents. Most of these patents are also filed in pertinent foreign countries.

YEAR ISSUED PRODUCT PATENT #
2001 Transfer Conveyor for a Sand Mold Handling System 6,263,952 B1
2003 Pouring Conveyor for Mold Handling System 6,533,022
2003 Method for Forming Sand Molds & Matchplate Molding Machine 6,622,772 B1
2004 Matchplate Molding Machine for Forming Sand Molds 6,817,403 B2
2006 Automated Clamping Mechanism & Mold Flask Incorporating Same 7,150,310 B2
2007 Squeeze Station for Automated Molding Machine 7,210,515 B2
2008 Automated Clamping Mechanism & Mold Flask Incorporating Same 7,328,736 B2
2009 Foundry Mold Handling System with Multiple Dump Outputs & Method 7,475,716 B2
2009 Method & Apparatus for Conveying Sand Molds to a Metal Pouring Machine 7,637,303 B2
2010 Method & Apparatus for Transferring Sand into Flask of Molding Machine 7,819,168 B2
2014 Method & Apparatus for Conveying Sand Molds 8,640,858 B2
2014 Linear Motion Sand Molding Machine 8,826,967 B1

Many of the above U.S. patents are also protected by foreign patents.  In addition, we have several pending U.S. patents for new developments.