| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Engines, pumps and turbines | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Clutches and brakes | |
| #2 | Vehicle brake control systems | |
| #3 | Unspecified technologies | |
| #4 | Special machines | |
| #5 | Cylinders for combustion engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sawtelle Charles A | 14 |
| #2 | Darmstaetter Armin A | 4 |
| Publication | Filing date | Title |
|---|---|---|
| US1998097A | Brake assembly | |
| US2020578A | Brake | |
| US2012025A | Vehicle brake | |
| US2057847A | Vehicle brake assembly | |
| US2008425A | Control means for vehicle brakes | |
| US1998096A | Brake assembly | |
| US1950572A | Brake assembly | |
| US1985953A | Brake assembly | |
| US1938979A | Hydraulic brake mechanism | |
| US1865793A | Piston | |
| US1885552A | Hydraulic brake control mechanism | |
| US1885551A | Variable leverage brake mechanism | |
| US1926064A | Method of forming alpha brake band | |
| US2024808A | Vehicle brake |