| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 22 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Packaging and shipping | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Rail vehicle suspensions | |
| #2 | Railway bodies | |
| #3 | Aeroplanes | |
| #4 | Containers for goods storage | |
| #5 | Unspecified technologies | |
| #6 | Spraying devices | |
| #7 | Punching metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Summers Edgar W | 23 |
| Publication | Filing date | Title |
|---|---|---|
| US1272871A | Door arrangement for pump-cars. | |
| US1363692A | Aeroplane-propeller | |
| US1215743A | Journal-box. | |
| US1189637A | Railway-car truck. | |
| US1158331A | Railway-car truck. | |
| US1144392A | Railway-car truck. | |
| US1232119A | Ore-dock. | |
| US972286A | Railway car and truck. | |
| US975804A | Dumping-door for railway-cars. | |
| US1038228A | Door arrangement for dumping-cars. | |
| US918098A | Railway-car. | |
| US778384A | Car. | |
| US740605A | Car-truck. | |
| US796945A | Plate-bending machine. | |
| US738128A | Metallic car. | |
| US728044A | Car. | |
| US728043A | Car-truck. | |
| US723756A | Roller side bearing for cars. | |
| US723755A | Car-truck. | |
| US723067A | Metallic car. |