| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Vehicle tyre repairing | |
| #2 | Vehicle transmission mounting | |
| #3 | Unspecified technologies | |
| #4 | Making gears or toothed racks | |
| #5 | Metal-working | |
| #6 | Clutches and brakes | |
| #7 | Vehicle wheels |
| # | Name | Total Patents |
|---|---|---|
| #1 | Parker Clark W | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US2317636A | Dual tire inflater | |
| US2256469A | Dual tire inflator device | |
| US2211935A | Automatic tire inflater | |
| US1453599A | Friction disk | |
| US1380583A | Tractor axle and wheel | |
| US1367088A | Tractor-axle | |
| US1316057A | Tractor-wheel. | |
| CA178839A | Metal plating process | |
| CA141944A | Lever for transmission gear | |
| CA142099A | Retarding device | |
| US1042819A | Method of producing finished tempered gear. | |
| US1298087A | Wire wheel. | |
| CA200164A | Brake mechanism | |
| CA299878A | Apparatus for delivering lighted cigarettes and cigars |