| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 4 | |
| #2 | United Kingdom | 3 | |
| #3 | Canada | 1 | |
| #4 | Switzerland | 1 | |
| #5 | Spain | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Harvesting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Christ Ludwig | 10 |
| #2 | Megner Alois | 4 |
| #3 | Goerg Carl Ludwig | 1 |
| #4 | Goerg Carl Jr | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US853343A | Harvesting-machine. | |
| GB190519383A | Improvements relating to Harvesting Machines. | |
| GB190503781A | Improvements in and relating to Rock Drills | |
| GB190400783A | Improvement in and relating to the connection between the Removable Point and the Spindle of a Rock Drill. | |
| CA81408A | Stone boring apparatus |