| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 21 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Measurement | |
| #3 | Optics | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Optical systems | |
| #3 | Measuring temperature | |
| #4 | Measuring mechanical vibrations | |
| #5 | Geophysics | |
| #6 | Special measuring | |
| #7 | Pistons and sealings | |
| #8 | Measuring speed and acceleration | |
| #9 | Testing of structures | |
| #10 | Radio navigation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Taverner Domino | 4 |
| #2 | Vincelette Andre R | 2 |
| #3 | Turley Rocky A | 1 |
| #4 | Treybig Duane | 1 |
| #5 | Killoh Ian Raymond | 1 |
| #6 | Dunphy James R | 1 |
| #7 | Barannikow Ivan Andre | 1 |
| #8 | Lefebvre Paul | 1 |
| #9 | Conger Robert | 1 |
| #10 | Reyna Mario M | 1 |