| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 28 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Materials and metallurgy | |
| #5 | Weapons |
| # | Technology | |
|---|---|---|
| #1 | Rail vehicle suspensions | |
| #2 | Railway bodies | |
| #3 | Gearing | |
| #4 | Unspecified technologies | |
| #5 | Couplings | |
| #6 | Motor vehicles | |
| #7 | Shafts | |
| #8 | Pig-iron processing | |
| #9 | Military vessels | |
| #10 | Vehicle tyre repairing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pulliam Oswald S | 31 |
| #2 | Allison John | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1449546A | Iron purifying and balling furnace | |
| US1371187A | Transmission | |
| US1355570A | Steering-gear | |
| US1388303A | Variable-speed power-transmission | |
| US1391342A | Antiskid device | |
| US1371809A | Rear-axle drive for motor-vehicles | |
| US1328762A | Steering-gear attachment | |
| US1161970A | Bearing. | |
| US1172732A | Car-body-underframe construction. | |
| US1112556A | Car-underframe. | |
| US1147433A | Roller-bearing. | |
| US1073628A | Bolster. | |
| US1159534A | Underframe center-sill construction for cars and the like. | |
| CA118209A | Side frame | |
| CA117852A | Car truck | |
| US899680A | Car-wheel. | |
| US956997A | Body-bolster. | |
| US839783A | Friction draft-rigging. | |
| US824437A | Side frame for railway-car trucks. | |
| US821312A | Car-truck bolster. |