| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Australia | 1 | |
| #3 | Canada | 1 | |
| #4 | Germany | 1 | |
| #5 | United Kingdom | 1 | |
| #6 | Japan | 1 | |
| #7 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Dredging | |
| #2 | Unspecified technologies | |
| #3 | Gearing | |
| #4 | Motor vehicles | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Johnson F C | 5 |
| #2 | Long G E | 5 |
| #3 | Reese D L | 5 |
| #4 | Reese D | 2 |
| #5 | Johnson F | 2 |
| #6 | Long G | 2 |
| #7 | Schritt Renaldo F | 2 |
| #8 | Long George E | 1 |
| #9 | Jiyooji Ii Rongu | 1 |
| #10 | Denisu Eru Riisu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4373619A | Transmission control system | |
| US4315555A | Electro-hydraulic steering system | |
| JPS5275833A | Digital control system for constructing fixed surface | |
| USRE28979E | Control system for road grader | |
| GB1390066A | Grader control | |
| CA984939A | Grader blade position control | |
| US3786871A | Grader control | |
| US3791452A | Control system for road grader |