| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | United States | 4 | |
| #3 | Australia | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Chemical engineering | |
| #3 | Engines, pumps and turbines | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Harvesting | |
| #2 | Separation | |
| #3 | Cooling of machines | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Friesen David | 12 |
| Publication | Filing date | Title |
|---|---|---|
| CA2364185A1 | Remote control gate | |
| US5006135A | Self cleaning screen | |
| US4970849A | Swath pick-up for a combine harvester | |
| CA1185438A | Harvester swath pick-up drive | |
| US4498278A | Harvester swath pick-up drive | |
| US4129978A | Harvester swath pickup |