| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 6 | |
| #2 | Switzerland | 4 | |
| #3 | United Kingdom | 4 | |
| #4 | Denmark | 3 | |
| #5 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Planting | |
| #2 | Spraying devices | |
| #3 | Crop agriculture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Spitzenberg Georg Karl | 15 |
| #2 | Spitzenberg Georg-Karl | 4 |
| Publication | Filing date | Title |
|---|---|---|
| US719898A | Cultivator. | |
| GB190118434A | Apparatus for Digging or Cultivating Land. | |
| US714051A | Sowing apparatus. | |
| GB190115593A | Improvements in Sowing Apparatus | |
| GB189611915A | Improvements relating to Line Reels. | |
| GB189504609A | Improvements in or relating to the Preparation of the Soil for the Planting of Seeds and Plants, and in Means therefor. |