| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Canada | 4 | |
| #3 | Mexico | 3 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Thermal processes | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Casting metal | |
| #2 | Building materials | |
| #3 | Casings for combustion chambers | |
| #4 | General building constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heaslip Lawrence J | 5 |
| #2 | Dorricott James D | 4 |
| #3 | Porterfield Andrew Dean | 2 |
| #4 | Harper Robert | 2 |
| #5 | Heaslip Lawrence John | 2 |
| #6 | Knight Curtis L | 2 |
| #7 | Caffey Robert W | 2 |
| #8 | Sharp Everett W Jr | 1 |
| #9 | Lassiter Perry B | 1 |
| #10 | Dorricott James Derek | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA2124488A1 | Resin bond taphole closure refractory product | |
| US5246209A | Tundish with improved flow control | |
| CA2067322A1 | Tundish with improved flow control | |
| US5196051A | Ladle and method for draining liquid metal with improved yield | |
| CA2040581A1 | Insulation module assembly and method and apparatus for installation | |
| US5268031A | Pumpable ceramic fiber composition | |
| EP0323555A1 | Aluminum resistant refractory composition |