| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 285 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Environmental technology | |
| #4 | Civil engineering | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Railway bodies | |
| #2 | Couplings | |
| #3 | Rail vehicle suspensions | |
| #4 | Unspecified technologies | |
| #5 | Climate change mitigation in transportation | |
| #6 | Locks | |
| #7 | Bolts for doors or windows | |
| #8 | Doors and windows | |
| #9 | Lubricating | |
| #10 | Vehicle windows, roofs and doors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gilpin Garth G | 106 |
| #2 | Small Arthur E | 80 |
| #3 | Sisson Vinton E | 27 |
| #4 | Murphy Walter P | 19 |
| #5 | David Bonsall Charles | 9 |
| #6 | Schlesinger Edgar E | 5 |
| #7 | Tangerman William J | 5 |
| #8 | Bonsall Charles D | 3 |
| #9 | Dodds Ethan I | 3 |
| #10 | Swann James S | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US2074433A | Wall for railway cars | |
| US2070045A | Railway hopper car construction | |
| US2077558A | Railway car wall | |
| US2054784A | Railway car structure | |
| US2050655A | Railway car wall | |
| US2059405A | Railway car construction | |
| US2080005A | Wall panel for railway cars | |
| US2074439A | Wall for railway cars | |
| US2041651A | Railway car wall | |
| US2061319A | Car coupler support | |
| US2040045A | Railway car construction | |
| US2030748A | Railway car structure | |
| US2010382A | Railway car wall | |
| US1981814A | Railway car wall | |
| US2010381A | Railway car side wall | |
| US2021570A | Railway car coupler support | |
| US1983049A | Railway car hopper door | |
| US1987290A | Car coupler carrier | |
| US2037072A | Railway car door | |
| US2054783A | Car construction |