| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 2 | |
| #3 | South Africa | 2 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Vehicle brake control systems | |
| #2 | Unspecified technologies | |
| #3 | Clutches and brakes | |
| #4 | Safety devices | |
| #5 | Vehicle drive control systems | |
| #6 | Load transportation vehicles | |
| #7 | Dredging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Coval Arthur B | 8 |
| #2 | Lee Arthur L | 8 |
| #3 | Coval A | 2 |
| #4 | Lee A | 2 |
| #5 | Wilkerson Jason | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2016281504A1 | Apparatus for dispersing explosion prevention mixture | |
| US4192405A | Spring applied brake mechanism | |
| US4243127A | Control system for automatically actuating vehicle brakes | |
| US4243126A | Brake system for a vehicle and method of operation thereof | |
| CA1059448A | Brake mechanism | |
| ZA7607457B | Improved brake mechanism | |
| US4113076A | Interrelated controls for vehicle brakes, transmission and motor |