| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Australia | 1 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | Germany | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | New Zealand | 1 | |
| #9 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Telecommunications |
| # | Technology | |
|---|---|---|
| #1 | Measuring volume | |
| #2 | Radio navigation | |
| #3 | Measuring speed and acceleration | |
| #4 | Telephonic communication |
| # | Name | Total Patents |
|---|---|---|
| #1 | Petroff Alan M | 10 |
| #2 | Fullerton Larry W | 8 |
| #3 | Clark Robert Kent | 2 |
| #4 | Stevens Patrick L | 1 |
| #5 | Fullerton Larry M | 1 |
| #6 | Byrd John William | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5942698A | Detecting and measuring liquid flow in remote sewer structures | |
| US5821427A | Liquid velocity measurement using curve fitting for peak velocity detection | |
| GB9318409D0 | Collecting data from hazardous environments via telephone | |
| US5226328A | Velocity measurement system | |
| US5198989A | Sewer flow measurement control system | |
| US5020374A | Velocity measurement system |