| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 8 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Materials and metallurgy | |
| #3 | Machines | |
| #4 | Environmental technology | |
| #5 | Measurement | |
| #6 | Thermal processes | |
| #7 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hendrych Jiri | 3 |
| #2 | Gidick Ward F | 2 |
| #3 | Irwin Rodney C | 2 |
| #4 | Dzermejko Albert J | 2 |
| #5 | Bucha Robert M | 2 |
| #6 | Hyde Jack | 2 |
| #7 | Stuart James G | 2 |
| #8 | Sczerba Stanley T | 1 |
| #9 | Gerber Donald J | 1 |
| #10 | Greenwalt Richard B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4596197A | Coke oven door | |
| US4510959A | Method for installation of an extended header | |
| US4478575A | Blast furnace stove outlet | |
| CA1222475A | Pusher ram | |
| US4511264A | Gas temperature monitoring device | |
| US4475989A | Insulating charging hole cover | |
| US4486139A | Pusher ram | |
| US4486138A | Pusher ram | |
| US4489747A | Apparatus for extending a header | |
| US4416688A | Direct reduction of ores and concentration of metallic values |