| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | United States | 3 | |
| #4 | Australia | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Measurement | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Foundations and excavations | |
| #3 | Generating mechanical vibrations | |
| #4 | Geophysics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lange James E | 12 |
| #2 | Smith Brian | 7 |
| #3 | Lange James | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US7182155B2 | Locking split barrel sampler and soil sampling system | |
| US7182152B2 | Sampling isolator | |
| EP1643078A2 | Sonic drill head | |
| CA2439459A1 | Sonic drill head |