Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161174 | Method and apparatus for conveying sand molds | — | 2021-11-02 |
| 11014146 | Method and apparatus for forming sand molds via top and bottom pneumatic sand filling perpendicular to the pattern plate | Huang Lvting | 2021-05-25 |
| 10835952 | Method and apparatus for forming sand molds via top and bottom pneumatic sand filling perpendicular to the pattern plate | Huang Lvting | 2020-11-17 |
| 8826967 | Linear motion sand molding machine | — | 2014-09-09 |
| 8640858 | Method and apparatus for conveying sand molds | — | 2014-02-04 |
| 7819168 | Method and apparatus for transferring sand into flask of molding machine | — | 2010-10-26 |
| 7475716 | Foundry mold handling system with multiple dump outputs and method | William A. Hunter | 2009-01-13 |
| 7328736 | Automated clamping mechanism and mold flask incorporating same | William A. Hunter | 2008-02-12 |
| 7150310 | Automated clamping mechanism and mold flask incorporating same | William A. Hunter | 2006-12-19 |
| 6779586 | Two tiered linear mold handling systems | William A. Hunter | 2004-08-24 |
| 6571860 | Two tiered linear mold handling systems | William A. Hunter | 2003-06-03 |
| 6145577 | Linear mold handling system | William A. Hunter | 2000-11-14 |
| 6015007 | Sand mold shift testing method | William A. Hunter | 2000-01-18 |
| 5971059 | Molding and casting machine | William A. Hunter | 1999-10-26 |
| 5927374 | Manufacturing sand mold castings | William A. Hunter | 1999-07-27 |
| 5901774 | Linear mold handling system with double-deck pouring and cooling lines | William A. Hunter | 1999-05-11 |