| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Brazil | 2 | |
| #4 | Canada | 2 | |
| #5 | China | 2 | |
| #6 | EPO (European Patent Office) | 2 | |
| #7 | Mexico | 2 | |
| #8 | Taiwan | 2 | |
| #9 | South Africa | 2 | |
| #10 | Argentina | 1 | |
| #11 | Australia | 1 | |
| #12 | Chile | 1 | |
| #13 | Egypt | 1 | |
| #14 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Foundations and excavations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stahm William G | 17 |
| #2 | Jewett Thomas E | 4 |
| #3 | Yapundich John | 3 |
| #4 | William G Stahm | 2 |
| #5 | Gross Dennis A | 2 |
| Publication | Filing date | Title |
|---|---|---|
| TW201303117A | Improved ground anchor with guide ribs | |
| US7611129B1 | Tension testing anchor lock | |
| US2009041549A1 | Earth anchor | |
| US2009041548A1 | Ground anchor | |
| KR20020058148A | Ground anchor | |
| AU7251700A | Ground anchor | |
| EP0863262A1 | Bi-directional anchor drive system and method of using same | |
| EP0863261A1 | Ground anchor assembly and method for installing same |