| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 7 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Transport | |
| #3 | Mechanical elements | |
| #4 | Packaging and shipping | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Horticulture | |
| #2 | Servomotors | |
| #3 | Load transportation vehicles | |
| #4 | Dredging | |
| #5 | Motor vehicles | |
| #6 | Cranes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Symons Robert C | 7 |
| #2 | Boyd John H | 6 |
| #3 | Jasinski S | 3 |
| #4 | Cunningham David O | 2 |
| #5 | Elms Robert G | 2 |
| #6 | Jarvi A | 1 |
| #7 | Robinson James K | 1 |
| #8 | Paladino Anthony M | 1 |
| #9 | Golob T | 1 |
| #10 | Margerum B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3847060A | Control valve | |
| CA925771A | Control valve | |
| US3796241A | Tree harvesting apparatus and method | |
| US3620394A | Logging apparatus | |
| US3531235A | Timber harvester | |
| US3590760A | Timber-harvesting machine and method | |
| US3590894A | Shearing device | |
| US3515297A | Logging vehicle | |
| US3450006A | Cylinder and piston assembly with automatic power release | |
| US3385389A | Articulated vehicle | |
| CA835143A | Shearing device | |
| CA734303A | Articulated vehicle | |
| CA888532A | Tree harvesting apparatus and method | |
| CA797644A | Self loading articulated vehicle | |
| CA789898A | Logging vehicle | |
| CA836337A | Articulated vehicle |