| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 2 | |
| #2 | Australia | 1 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | Denmark | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Mexico | 1 | |
| #8 | Malaysia | 1 | |
| #9 | Norway | 1 | |
| #10 | African Intellectual Property Organization | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Geophysics |
| # | Name | Total Patents |
|---|---|---|
| #1 | French William S | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US4660185A | Method for determining the absolute location of a streamer incorporating a reference signal system where the a priori location of the reference signal source (or alternatively the detector) need not be known | |
| US4486863A | Circular seismic acquisition system |