| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 15 | |
| #2 | United States | 9 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Chemical engineering | |
| #3 | Packaging and shipping | |
| #4 | Measurement | |
| #5 | Machines | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Harvesting | |
| #2 | Separating solids | |
| #3 | Transport or storage devices | |
| #4 | Unspecified technologies | |
| #5 | Clutches and brakes | |
| #6 | Agricultural harvest processing | |
| #7 | Measuring volume |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hartley Arthur J | 24 |
| #2 | Houweling Arthur C Van | 1 |
| #3 | Hale William | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1909351A | Grain cleaning mechanism | |
| US1946692A | Grain pick-up mechanism | |
| US1774710A | Grain-clfaning device | |
| US1875725A | Grain measuring device | |
| US1954479A | Combined harvesting, threshing, and grain measuring device | |
| US1705478A | Grain elevator | |
| US1643986A | Power-driven conveyer | |
| US1723481A | Automatic conveyer adjustment means | |
| US1597970A | Governor | |
| CA252138A | Band cutter and feeder | |
| CA289384A | Conveyer drive mechanism | |
| CA305787A | Combined harvesting, threshing and grain measuring device | |
| CA319764A | Grain cleaning mechanism | |
| CA251100A | Thresher feeder | |
| CA276377A | Grain feeding device | |
| CA368693A | Thresher feeder mechanism | |
| CA289417A | Conveyer mechanism | |
| CA247691A | Folding conveyer support | |
| CA257925A | Governor | |
| CA316899A | Grain cleaning device |