| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 270 | |
| #2 | France | 32 | |
| #3 | United Kingdom | 15 | |
| #4 | Canada | 8 | |
| #5 | Switzerland | 6 | |
| #6 | Germany | 6 | |
| #7 | Austria | 4 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Civil engineering | |
| #3 | Control | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Rail vehicle suspensions | |
| #2 | Railway bodies | |
| #3 | Indexing scheme relating to hinges | |
| #4 | Railway brakes | |
| #5 | Unspecified technologies | |
| #6 | Locomotives | |
| #7 | Vehicle wheels | |
| #8 | Doors and windows | |
| #9 | Coin-freed | |
| #10 | Ticket-issuing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Adams Walter S | 69 |
| #2 | Kohler George B | 40 |
| #3 | Elmer Latshaw | 27 |
| #4 | Curwen Samuel M | 16 |
| #5 | Brooks James A | 14 |
| #6 | Smith Warren M | 13 |
| #7 | Head Arthur F H | 10 |
| #8 | Kling Louis A | 10 |
| #9 | Bucknam Ezra S | 10 |
| #10 | Howson Henry | 9 |
| Publication | Filing date | Title |
|---|---|---|
| US2358700A | Vehicle spring | |
| US2358699A | Vehicle spring | |
| US2264702A | Lightweight truck | |
| US2271158A | Heating and ventilating system | |
| US2264701A | Truck | |
| US2207295A | Rail brake for railway cars | |
| US2233541A | Eight-wheel truck | |
| US2164015A | Brake shoe assembly | |
| US2268502A | Motor vehicle ventilating system | |
| US2106525A | Universal tool holder | |
| US2116366A | Folding seat | |
| US2116102A | Seat upholstery unit and method of making the same | |
| US2039274A | Truck wheel brake | |
| US2215182A | Truck | |
| US2059256A | Car wheel | |
| US2084835A | Passenger car construction | |
| US2024375A | Wheel | |
| US2233540A | Journal box mounting | |
| US2029432A | Metal door | |
| US2046391A | Railway car construction |