| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 21 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Chemical engineering | |
| #5 | Foods and drinks | |
| #6 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Rail vehicle suspensions | |
| #2 | Unspecified technologies | |
| #3 | Couplings | |
| #4 | Shafts | |
| #5 | Separation | |
| #6 | Unspecified technologies | |
| #7 | Domestic stoves for solid fuels | |
| #8 | Vehicle brake control systems | |
| #9 | Fodder | |
| #10 | Springs |
| # | Name | Total Patents |
|---|---|---|
| #1 | Laughlin Elmyr A | 25 |
| #2 | Potts Joshua R H | 2 |
| #3 | Potts Josua R H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1643073A | Spring | |
| US1586252A | Coupler centering device | |
| US1562100A | Draft rigging | |
| US1477964A | Method of producing stock feed from coarse farm products | |
| US1402625A | Car mounting | |
| US1407551A | Car bolster | |
| US1468596A | Car mounting | |
| US1488451A | Car mounting | |
| US1437852A | Variable-load brake system | |
| US1396688A | Vehicle-body bearing | |
| US1396687A | Vehicle-body bearing | |
| US1222552A | Truck-bolster. | |
| US1131252A | Side bearing. | |
| US1118501A | Fire-grate. | |
| US1133294A | Side bearing. | |
| US1163020A | Side bearing. | |
| US1112012A | Center-bearing. | |
| US1000926A | Side bearing for railway-cars. | |
| US960564A | Pneumatic cleaner. | |
| US955886A | Pneumatic cleaner. |