| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Materials and metallurgy | |
| #3 | Machines | |
| #4 | Mechanical elements | |
| #5 | Consumer goods | |
| #6 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Venting or aerating devices | |
| #3 | Foundry moulding | |
| #4 | Laundering textiles | |
| #5 | Milling | |
| #6 | Animal catching |
| # | Name | Total Patents |
|---|---|---|
| #1 | Macdonald Mitchell James | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US2744636A | Clothes drier attachment | |
| US2196119A | Dewatering apparatus | |
| US2107080A | Animal trap | |
| US2069553A | Control valve mechanism for material tanks | |
| US1979168A | Settling apparatus | |
| US1979169A | Settling apparatus | |
| US1848023A | Automatic settling tank | |
| US1873138A | Valve structure | |
| US1957898A | Settling apparatus | |
| US1906916A | Settling apparatus | |
| US1807125A | Apparatus for settling and classifying sand | |
| US1861315A | Apparatus for reducing rock and other mineral substances |