| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Chemical engineering | |
| #3 | Materials and metallurgy | |
| #4 | Thermal processes | |
| #5 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Separation | |
| #3 | Heat-exchange device details | |
| #4 | Iron and steel production | |
| #5 | Cyclones | |
| #6 | Supplying combustion engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brassert Hermann A | 13 |
| #2 | Bacon Charles J | 5 |
| #3 | Mathesius Walther | 1 |
| #4 | Jones Howard H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA182142A | Gas washing machine | |
| CA182325A | Gas washer tower | |
| CA191037A | Gas drier | |
| US1172930A | Method of and apparatus for gas-washing. | |
| US1264263A | Gas-drier. | |
| US1171696A | Method of and apparatus for recovering sludge. | |
| US1238097A | Hot-blast stove. | |
| US1169766A | Gas-washer. | |
| US1169919A | Apparatus for drying gas. | |
| US1169765A | Gas-washer tower. | |
| US1169764A | Method of gas-washing. | |
| US1123232A | Gas-washing. | |
| US1066704A | Apparatus for cleaning gas. |