| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Locomotives | |
| #2 | Rail vehicle suspensions | |
| #3 | Unspecified technologies | |
| #4 | Vehicle wheels | |
| #5 | Venting or aerating devices | |
| #6 | Railway brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Goodwin Ernest G | 6 |
| #2 | Frantz Virgil L | 5 |
| #3 | White William H | 3 |
| #4 | Ranson William L | 3 |
| #5 | Parrish Dudley T | 1 |
| #6 | Knauff George H | 1 |
| #7 | Johnson Walter P | 1 |
| #8 | Stephen Riccio | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2216297A | Vehicle sander | |
| US2215405A | Valve | |
| US2175151A | Improved sander nozzle | |
| US2181804A | Automatic high speed sanding mechanism | |
| US2125275A | Tilted spring snubber | |
| US2084638A | Wedge snubbing device | |
| US2084637A | Railway snubbing device | |
| US1877837A | Locomotive sanding mechanism | |
| US1864057A | Locomotive sanding trap | |
| US1938287A | Automatic valve for locomotive sanders | |
| US1884227A | Valve for locomotive sanders | |
| US1611126A | Locomotive sander | |
| US1521799A | Locomotive sander | |
| US1581546A | Locomotive sander valve | |
| CA273860A | Locomotive sander | |
| CA248330A | Sander valve | |
| CA365991A | Railway car snubbing system | |
| CA365990A | Railway car snubbing system | |
| CA376742A | Tilted spring snubber |