| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 6 | |
| #2 | Canada | 2 | |
| #3 | United States | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Australia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Optics | |
| #3 | Audio-visual technology | |
| #4 | Control |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Optical systems | |
| #3 | Television | |
| #4 | Systems for regulating electrical variables | |
| #5 | Cameras |
| # | Name | Total Patents |
|---|---|---|
| #1 | Meltzer Brad A | 5 |
| #2 | Linville Gregory | 3 |
| #3 | Schultz Philip K | 2 |
| #4 | Baker Donald L | 2 |
| #5 | Riordan Mathew B | 2 |
| #6 | Linville Gregory D | 1 |
| #7 | Thompson Jack | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6580449B1 | Borehole inspection instrument having a low voltage, low power fiber optic light-head | |
| WO9641066A1 | Logging system combining video camera and sensors for environmental downhole conditions | |
| EP0656127A1 | Reduced diameter down-hole instrument cable | |
| EP0598557A1 | Downhole instrument power supply system | |
| US5663758A | Instrument probe having a back-lighted camera |