| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 2 | |
| #2 | United Kingdom | 2 | |
| #3 | Netherlands | 2 | |
| #4 | Sweden | 2 | |
| #5 | Canada | 1 | |
| #6 | Germany | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | France | 1 | |
| #9 | United States | 1 | |
| #10 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Geophysics | |
| #3 | Analysing materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bryan Edward L | 9 |
| #2 | Peters Wendell R | 5 |
| #3 | Darilek Glenn T | 5 |
| #4 | Owen Thomas E | 5 |
| #5 | Hoffman Leslie B | 4 |
| #6 | Campbell Thomas M | 4 |
| #7 | Brewer Timothy | 4 |
| #8 | Hugg Steven B | 4 |
| #9 | Bryan E L | 3 |
| #10 | Brewer T | 2 |
| Publication | Filing date | Title |
|---|---|---|
| CA1174073A | Methods and apparatus for well investigation and development | |
| US4467283A | Electrical geophysical exploration system with addressable current probes |