| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Canada | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Australia | 1 | |
| #6 | China | 1 | |
| #7 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Computer technology | |
| #3 | Measurement | |
| #4 | Chemical engineering | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Clutches and brakes | |
| #2 | Gearing | |
| #3 | Geophysics | |
| #4 | Separation | |
| #5 | Image data processing | |
| #6 | Hydraulic engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Johnson Kenneth O | 12 |
| #2 | Meyer Craig H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA2424321A1 | Automatic transmission friction clutch | |
| WO0071907A2 | Non-grounded hydraulic transmission apparatus | |
| US5129757A | Water removal system | |
| US4252547A | Gas cleaning unit |