| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 7 | |
| #2 | Germany | 4 | |
| #3 | France | 2 | |
| #4 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Mixing | |
| #3 | Separating solids | |
| #4 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Carrier Robert M Jr | 3 |
| #2 | Dumbaugh George D | 3 |
| #3 | Dumbaugh George David | 3 |
| #4 | Hess Robert J | 2 |
| #5 | Willis Howell | 2 |
| #6 | Jun Robert Moorhead Carrier | 1 |
| #7 | D Dumbaugh George | 1 |
| #8 | Willis Howell C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1113651A | Improvements relating to vibratory bin and hopper apparatus | |
| CA747756A | Apparatus for conveying a column of material downward at a uniform rate | |
| CA726528A | Elevator | |
| CA748720A | Apparatus for transporting material by compound motion | |
| CA751259A | Agitating apparatus | |
| CA746358A | Vibratory hopper | |
| CA764806A | Counterbalanced vibratory hoppers | |
| CA748722A | Feeder |