| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Couplings | |
| #2 | Rail vehicle suspensions | |
| #3 | Springs |
| # | Name | Total Patents |
|---|---|---|
| #1 | Thomson Glascodine Richard | 12 |
| #2 | Lawrence Whitmore Reginald | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2224223A | Control device | |
| US2050604A | Central buffing and draft gear | |
| US2058076A | Steel beam or spring | |
| US1891674A | Rolling stock | |
| US1903859A | Rolling stock | |
| US1853857A | Central buffing and drawgear for railway vehicles | |
| US1924237A | Bogie truck for railway and like vehicles | |
| US1809198A | Central buffing and drawgear for railway vehicles | |
| US1731852A | Railway or like passenger vehicle |