| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 8 | |
| #2 | WIPO (World Intellectual Property Organization) | 7 | |
| #3 | United States | 6 | |
| #4 | Canada | 5 | |
| #5 | Republic of Korea | 2 | |
| #6 | Spain | 1 | |
| #7 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Casting metal | |
| #2 | Foundry moulding | |
| #3 | Cylinders for combustion engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Downing Robert E | 10 |
| #2 | Koch Byron W | 8 |
| #3 | Badenhope Robert I | 7 |
| #4 | Cestaro John P | 4 |
| #5 | Bai Shen Hum | 3 |
| #6 | Wilson Bobby L | 3 |
| #7 | Thomas R Matthew | 3 |
| #8 | Mcgarigal John R | 2 |
| #9 | Bai Shen H | 2 |
| #10 | Mcgarigal John J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5259438A | Framed printout core for die and casting | |
| US5236034A | Web reinforced expendable core | |
| US5115856A | Core box with large diameter vents and plugs | |
| WO9203238A1 | Die casting from dies having coated expendable cores | |
| US5213150A | Core knock-out fixture | |
| US5080327A | Area displacement device for molten metal ladle | |
| US5078202A | Floating wedge lock for slide on movable die |