| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 27 | |
| #2 | Canada | 18 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Materials and metallurgy | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Rail vehicle suspensions | |
| #2 | Pipes | |
| #3 | Shafts | |
| #4 | Casting metal | |
| #5 | Unspecified technologies | |
| #6 | Manufacturing processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hewitt Herbert H | 45 |
| #2 | Sill Samuel J | 3 |
| #3 | Paeplow Charles H Jr | 2 |
| #4 | Susemihl Francis C L G | 1 |
| #5 | Susemihl Francis G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA182191A | Car truck | |
| US1259624A | Car-truck. | |
| US1264184A | Car-truck. | |
| US1180717A | Car-truck. | |
| US1130730A | Car-truck. | |
| CA152223A | Car truck | |
| CA152572A | Journal box | |
| CA152571A | Journal box | |
| CA152570A | Hose coupling | |
| CA150935A | Car truck | |
| CA150934A | Car truck | |
| CA150936A | Car truck | |
| CA150933A | Car truck | |
| CA150937A | Railway car | |
| US1067337A | Hose-coupling. | |
| US1058430A | Railway-car. | |
| US1224638A | Hose-coupling. | |
| US1129979A | Hose-coupling. | |
| US1072727A | Railway-car journal-box. | |
| US1072726A | Railway-car journal-box. |