| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 4 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Railway brakes | |
| #2 | Clutches and brakes | |
| #3 | Rail vehicle suspensions | |
| #4 | Vehicle suspension arrangements | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Price William Gunn | 17 |
| Publication | Filing date | Title |
|---|---|---|
| US1157721A | Slack-adjuster. | |
| CA146391A | Brake shoe fastener | |
| US1044243A | Brake-shoe fastener. | |
| US1067842A | Brake-hanger. | |
| US1189176A | Friction-clutch. | |
| US1028386A | Brake-beam support. | |
| US1064249A | Brake-rigging. | |
| US1053216A | Brake-rigging. | |
| CA124226A | Car brake | |
| US1045180A | Brake-shoe controller. | |
| US960396A | Separator for elliptic springs. | |
| US872541A | Brake-shoe hanger. | |
| US881949A | Truck-bolster hanger. | |
| GB190010264A | Improvements in Brakes for Railway and Tramway Vehicles. | |
| GB189628015A | Improvements in Street Car Brakes. | |
| CA280130A | Hydraulic brake | |
| CA202474A | Fruit sizing machine |