| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 7 | |
| #2 | United States | 4 | |
| #3 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Railway bodies | |
| #2 | Load transportation vehicles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lawson Thomas | 13 |
| #2 | Ilgenfritz King George | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US931933A | Dumping-car. | |
| GB190726257A | Improvements in Tyres for Wheeled Vehicles. | |
| GB190720041A | A Toy or Game | |
| GB190719182A | Improvements relating to Padlocks | |
| GB190719183A | An Improved Mincing Apparatus | |
| GB190606361A | A New or Improved Tyre for Wheeled Vehicles. | |
| CA91869A | Dump car | |
| CA82577A | Dumping mechanism | |
| GB190118076A | Improvements in Dumping Mechanism for Railway Wagons, applicable also for Scows and Vehicles and Vessels generally | |
| US682206A | Dumping-car. | |
| US682329A | Dumping-car. | |
| US659239A | Dumping-scow. | |
| GB189519094A | Improvements in Doors and Door Frames for Ashpits. |