| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | Australia | 1 | |
| #4 | Italy | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Medical technology | |
| #3 | Environmental technology | |
| #4 | Machines | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Testing of structures | |
| #2 | Implantable devices | |
| #3 | Solid waste disposal | |
| #4 | Unspecified technologies | |
| #5 | Syringes | |
| #6 | Foundations and excavations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Thompson Glenn M | 8 |
| #2 | Evans Owen D | 3 |
| #3 | Pfeil William E | 3 |
| #4 | Golding Randy D | 2 |
| #5 | Abranovic David John | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5447055A | Automated leak detection apparatus and method | |
| US5076728A | Landfill liner leak detection system and method | |
| US5048324A | Aboveground tank leak detection system and method | |
| US5046353A | Underground pipe leak detection system | |
| US4725551A | Rapid leak detection system | |
| US4709577A | System for continuously monitoring for leaks in underground storage tanks |