| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 4 | |
| #3 | China | 3 | |
| #4 | EPO (European Patent Office) | 3 | |
| #5 | New Zealand | 3 | |
| #6 | WIPO (World Intellectual Property Organization) | 3 | |
| #7 | Hong Kong | 2 | |
| #8 | Mexico | 2 | |
| #9 | India | 1 | |
| #10 | Norway | 1 | |
| #11 | Ukraine | 1 | |
| #12 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Finishing work on buildings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kufner Edward A | 31 |
| #2 | Volponi Michele | 19 |
| #3 | Burgin Ralph | 8 |
| #4 | Michele Volponi | 3 |
| #5 | Volponi Michael | 1 |
| #6 | Kufner Edward A Ea | 1 |
| #7 | Burgin Ralph R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US7954300B1 | Tile alignment and leveling device | |
| US2010287868A1 | Tile alignment and leveling device | |
| EP1856348A2 | Tile alignment and leveling device and method for using same | |
| US2006185319A1 | Tile alignment and leveling device and method for using the same |