| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 3 | |
| #2 | Canada | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Harvesting | |
| #2 | Motor vehicles | |
| #3 | Vehicle wheels |
| # | Name | Total Patents |
|---|---|---|
| #1 | Grohmann Carl Ferdinand | 11 |
| Publication | Filing date | Title |
|---|---|---|
| CA71758A | Harvesting mechanism | |
| US716706A | Device for emptying collecting-boxes of harvesting-machines. | |
| GB190109334A | An Attachment for Potato Digging Machines for Automatically Depositing the Potatoes in Heaps. | |
| CA72477A | Gear for steering agricultural machines | |
| US694010A | Device for steering agricultural machines. | |
| GB190106728A | Improvements in and relating to the Steering Mechanism of Agricultural and like Machines. | |
| CA71210A | Potato harvester | |
| GB190102767A | Improved Potato Digging and Screening Machine |