Patents

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 #

1998

Drag Mold Release Mechanism

5,853,042

1999

Linear Mold Handling System with Double-Deck Pouring & Cooling Lines

5,901,774

1999

Manufacturing Sand Mold Castings

5,927,374

1999

Molding & Casting Machine

5,971,059

2000

Linear Mold Handling System

6,145,577

2001

Transfer Conveyor for a Sand Mold Handling System

6,263,952

2003

Pouring Conveyor for Mold Handling System

6,533,022

2003

Method for Forming Sand Molds & Matchplate Molding Machine

6,622,772

2003

Two Tiered Linear Mold Handling System

6,571,860

2004

Two Tiered Linear Mold Handling System

6,779,586

2004

Matchplate Molding Machine for Forming Sand Molds

6,817,403 B2

2005

Squeeze Station for Automated Molding Machine

2,591,325

2006

Squeeze Station for Automated Molding Machine

7,117,924 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

2008

Method for Forming Sand Molds & Matchplate Molding Machine

2,482,671

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