| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 7 | |
| #2 | Australia | 4 | |
| #3 | United States | 4 | |
| #4 | New Zealand | 3 | |
| #5 | Denmark | 2 | |
| #6 | EPO (European Patent Office) | 2 | |
| #7 | Mexico | 2 | |
| #8 | Netherlands | 2 | |
| #9 | Republic of Korea | 1 | |
| #10 | Philippines | 1 | |
| #11 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machines | |
| #3 | Materials and metallurgy | |
| #4 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cassens Nicholas Jr | 6 |
| #2 | Lippert James Walter | 4 |
| #3 | Barna Gordon Lee | 4 |
| #4 | Cassens Nicholas | 2 |
| #5 | Fennema Paul T | 2 |
| #6 | Cassens Jr Nicholas | 2 |
| #7 | Barna Gordon L | 2 |
| #8 | Lippert James W | 2 |
| #9 | Campbell Frank Jr | 2 |
| #10 | Natolino Romeo | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US5002908A | Resin bonded refractory shape and method of making | |
| CA1321405C | Making a taphole | |
| US4779798A | Gunning apparatus | |
| US4778526A | Gunnable refractory composition | |
| US4570910A | Method of constructing a steelmaking ladle | |
| CA1199648A | Carbonaceous refractory composition for pressing brick shapes |