| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 25 | |
| #2 | Australia | 5 | |
| #3 | Canada | 5 | |
| #4 | EPO (European Patent Office) | 5 | |
| #5 | WIPO (World Intellectual Property Organization) | 4 | |
| #6 | Japan | 1 | |
| #7 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Environmental technology | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Crop agriculture | |
| #2 | Climate change mitigation in goods production | |
| #3 | Foundations and excavations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Maas David R | 45 |
| #2 | Bjorge Scott W | 34 |
| Publication | Filing date | Title |
|---|---|---|
| US2016219780A1 | Aeration apparatus and methods | |
| WO2012015386A1 | Systems and methods for treating a ground surface | |
| US2008011493A1 | Soil aeration device | |
| US2006131039A1 | Aeration device | |
| EP1744612A2 | Ground aeration | |
| US7204317B2 | Aerating a ground surface | |
| US7070005B2 | Soil aerator assembly | |
| US6983806B2 | Aeration device | |
| US7152691B2 | Arcuate aeration tine | |
| US7290619B2 | Soil aeration device | |
| US7055617B2 | Soil aerator | |
| US7096968B2 | Aeration device |