| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machine tools | |
| #3 | Machines | |
| #4 | Engines, pumps and turbines | |
| #5 | Mechanical elements | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Separating solids | |
| #2 | Separation | |
| #3 | Finishing work on buildings | |
| #4 | Siphons | |
| #5 | Unspecified technologies | |
| #6 | Perforating | |
| #7 | Cutting | |
| #8 | Unspecified technologies | |
| #9 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Blackburn Daniel M | 5 |
| #2 | Clark Thomas J | 1 |
| #3 | Allan Ramsay | 1 |
| #4 | Hinckley Mitchell William | 1 |
| #5 | Colville Kenneth H | 1 |
| #6 | Culver Willard B | 1 |
| #7 | Edmonds Samuel Owen | 1 |
| #8 | Bonnell Tappen Alexander | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2150889A | Filter screen | |
| US2205758A | Filter screen | |
| US2159777A | Variable stroke shaking screen | |
| US2114329A | Fastening device for screen plates | |
| US2004562A | Adjustable shaft mounting | |
| US2009219A | Shaking screen | |
| US1979791A | Shaking screen | |
| US1862633A | Method of perforating sheet rubber | |
| US1536636A | Stair tread | |
| US1212151A | Screen. | |
| US785409A | Steam-injector. |