| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 5 | |
| #2 | Canada | 4 | |
| #3 | United States | 3 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Vehicle brake control systems | |
| #2 | Nails | |
| #3 | Unspecified technologies | |
| #4 | Servomotors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Smith John Pearson | 4 |
| #2 | Bowyer John P | 4 |
| #3 | Ware Nathan C | 2 |
| #4 | Smith John P | 2 |
| #5 | Czaban Gerald L | 2 |
| #6 | Larberg Warren C Jr | 2 |
| #7 | Pierce William C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5320026A | Spring brake actuator with dust guard | |
| US5193432A | Tamper-resistant brake actuator | |
| US5016523A | Adjustable mounting apparatus for air-operated diaphragm brakes | |
| CA1323847C | Stroke indicator for air operated diaphragm spring brakes | |
| CA1338182C | Air brake with integral spring chamber |