| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 4 | |
| #3 | Germany | 3 | |
| #4 | United Kingdom | 3 | |
| #5 | Australia | 1 | |
| #6 | Denmark | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Norway | 1 | |
| #9 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Testing of structures | |
| #2 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Miller Darwin Adrian | 7 |
| #2 | Miller Darwin Ladon | 7 |
| #3 | Miller Darwin L | 6 |
| #4 | Miller Ronnie Floyd | 6 |
| #5 | Miller Darwin A | 6 |
| #6 | Miller Ronnie F | 6 |
| #7 | Dwyer Arthur Lance | 5 |
| #8 | Nousak Matthew J A | 4 |
| #9 | Dwyer Arthur L | 4 |
| #10 | Floyd Ronnie | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4998435A | Method and apparatus for leak testing of pipe | |
| CA1213751A | Method and apparatus for leak testing of pipe | |
| EP0131628A1 | Method and apparatus for leak testing of pipe. | |
| US4601194A | Method and apparatus for leak testing of pipe | |
| US4517828A | Apparatus for leak testing of pipe | |
| US4548069A | Pipe testing tool | |
| US4480462A | Hydrostatic test apparatus |