| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 23 | |
| #2 | Argentina | 7 | |
| #3 | Canada | 6 | |
| #4 | WIPO (World Intellectual Property Organization) | 5 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | Brazil | 1 | |
| #7 | China | 1 | |
| #8 | Germany | 1 | |
| #9 | France | 1 | |
| #10 | Hungary | 1 | |
| #11 | Italy | 1 | |
| #12 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Harvesting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Calmer Marion | 43 |
| Publication | Filing date | Title |
|---|---|---|
| US2020253121A1 | 12 bladed stalk roll | |
| WO2018136686A1 | Stalk roll | |
| US2018054970A1 | Stalk Roll | |
| WO2018049225A1 | Stalk roll | |
| US2018168103A1 | Stalk roll with hybrid flute having a sharp edge and two blunt edges | |
| EP3358933A1 | Stalk roll | |
| US2016338268A1 | Stalk roll | |
| US2014182255A1 | Stalk roll with series of flutes having decreasing lengths | |
| AR095284A1 | SIZE ROLLER | |
| US2014150394A1 | Narrow row head unit | |
| US9560804B1 | Stalk roll with flutes defining a recess | |
| US2007266689A1 | Stalk roll | |
| BRPI0405401A | Method and Equipment for Reducing Stalking | |
| US7373767B2 | Corn head row unit | |
| US7104038B2 | Strategic spatial realignment for attaching cornheads to combines | |
| CA2177747A1 | Universal corn picking row unit |