| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Agriculture | |
| #3 | Measurement | |
| #4 | Machines | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Harvesting | |
| #3 | Agricultural harvest processing | |
| #4 | Gearing | |
| #5 | Weighing | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schuman James B | 5 |
| #2 | Sharpe Joseph K Jr | 2 |
| #3 | Chatfield George L | 1 |
| #4 | Williamson George Warren | 1 |
| #5 | Beyl George | 1 |
| #6 | Buchanan Schuman James | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US781186A | Belt-tightener. | |
| US755401A | Centrifugal elevator. | |
| US755714A | Separating-head for centrifugal or pneumatic elevators. | |
| CA71375A | Pneumatic elevator and weigher | |
| US671402A | Separating-head for pneumatic elevators. | |
| US650033A | Dust-collecting attachment for pneumatic elevators. | |
| US641045A | Pneumatic elevator and weigher. | |
| US650593A | Automatic weigher. | |
| US651671A | Pneumatic elevator. | |
| US636372A | Bearing for throwing-wheels for pneumatic elevators. | |
| US646877A | Pneumatic elevator. |