| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Australia | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Crop agriculture | |
| #2 | Planting | |
| #3 | Horticulture | |
| #4 | Hand carts | |
| #5 | Harvesting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zehrung Jr Claude D | 5 |
| #2 | Moran Richard Tadashi | 3 |
| #3 | Oliver William H | 3 |
| #4 | Biegel Edward T | 3 |
| #5 | Zehrung Claude D Jr | 2 |
| #6 | Oliver William N | 2 |
| #7 | Martinez Joseph C | 1 |
| #8 | Urie Clarence L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6347593B1 | Modular dethatcher and seeder | |
| US5680903A | Lawn aerator having tine assemblies spaced along a shaft | |
| US5690178A | Sod cutter | |
| US5119880A | Aerating apparatus | |
| US4168079A | Movable carrier for storing and transporting normally elongated parts | |
| US4028868A | Towable lawn comber | |
| US4068455A | Bag for a lawn comber |