| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Australia | 1 | |
| #3 | Brazil | 1 | |
| #4 | China | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Finland | 1 | |
| #7 | Hungary | 1 | |
| #8 | Israel | 1 | |
| #9 | Mexico | 1 | |
| #10 | Norway | 1 | |
| #11 | New Zealand | 1 | |
| #12 | Slovakia | 1 | |
| #13 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Civil engineering | |
| #3 | Chemical engineering | |
| #4 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Price Michael I | 9 |
| #2 | Smith R Paul | 8 |
| #3 | Smith Robert Paul | 6 |
| #4 | Price Michael Irwin | 5 |
| #5 | Smith Paul R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5288171A | Method of recycling construction and demolition debris | |
| US5181803A | Method of making daily cover for a landfill |