Patents
Hunter Foundry Machinery Corporation’s history of innovation began in 1963, 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.