| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 2 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines | |
| #3 | Engines, pumps and turbines | |
| #4 | Packaging and shipping | |
| #5 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Flotation | |
| #2 | Mixing | |
| #3 | Separation | |
| #4 | Unspecified technologies | |
| #5 | Unspecified technologies | |
| #6 | Non-positive-displacement pumps | |
| #7 | Transport or storage devices | |
| #8 | Furnaces | |
| #9 | Special non-positive-displacement engines | |
| #10 | Separating solids using liquids |
| # | Name | Total Patents |
|---|---|---|
| #1 | Weinig Arthur J | 7 |
| #2 | Morse George G | 2 |
| #3 | Johnson Alfred E | 1 |
| #4 | Wigton Paul Leroy | 1 |
| #5 | Wigton Paul L | 1 |
| #6 | Weinig Arthur John | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2324549A | Classifier | |
| US2243302A | Means of treating liquids | |
| US2254804A | Conveyer for classifiers | |
| GB525806A | Rotary driving mechanism for stirrers and like apparatus | |
| US2243301A | Aeration apparatus | |
| US2253535A | Differential driving mechanism | |
| US2262412A | Rotary driving mechanism | |
| US2198143A | Aeration apparatus | |
| US2217231A | Rubber impeller | |
| US2167788A | Flotation apparatus | |
| US2115997A | Impeller and lining construction | |
| US2143669A | Liquid level regulation apparatus | |
| CA484518A | Froth flotation apparatus and process | |
| CA410263A | Rotary driving mechanism |