| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | Australia | 3 | |
| #3 | United States | 3 | |
| #4 | South Africa | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Control |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Control or regulating systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Watkins Amos Jack | 7 |
| #2 | Watkins Amos J | 4 |
| #3 | Laporte Irvin Joseph | 4 |
| #4 | Laporte Irvin J | 2 |
| #5 | Stahl Bert | 2 |
| #6 | Laporte Irwin J | 2 |
| #7 | Laporte Irvin Joseph Bud | 2 |
| #8 | Laporte Irwin Joseph | 1 |
| #9 | Laporte Irvin Jospeh Bud | 1 |
| #10 | Watkins Arnos Jack | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA2165936A1 | Method and Apparatus for Controlling Diamond Drill Feed | |
| CA2138201A1 | Propulsion seal for wire line core drilling apparatus | |
| CA2117968A1 | Resilient hoisting plug for drill rods and the like | |
| CA2053719A1 | Drilling apparatus, particularly wire line core drilling apparatus | |
| CA2038378A1 | Stabilized drill tube |