| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 40 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Packaging and shipping | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Railway bodies | |
| #2 | Unspecified technologies | |
| #3 | Venting or aerating devices | |
| #4 | Containers for goods storage | |
| #5 | Rail vehicle suspensions | |
| #6 | Railway brakes | |
| #7 | Pistons and sealings | |
| #8 | Load transportation vehicles | |
| #9 | Locks | |
| #10 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pierce Raymond C | 14 |
| #2 | Weaver Robert R | 9 |
| #3 | Parks Ostrander J | 7 |
| #4 | Paul Klemoff | 3 |
| #5 | Eakins Isaiah A | 2 |
| #6 | Geddes William E | 2 |
| #7 | Rosenfeld David T | 1 |
| #8 | Nelson Axel M | 1 |
| #9 | Garlick Fred G | 1 |
| #10 | Weaver Robert Roy | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2112668A | Closure-equipped structure | |
| US2027878A | Refrigerator structure | |
| US2059025A | Tank car | |
| US2071236A | Refrigerator car | |
| US1915758A | Car | |
| US1915756A | Car | |
| US2009149A | Automobile-car | |
| US1885624A | Refrigerator car ice bunker | |
| US2087703A | Tank car | |
| US1863252A | Outlet valve | |
| US1988808A | Tank car | |
| US1915757A | Car | |
| US1923841A | Safety brake-beam support for car trucks | |
| US1838388A | Safety brake-beam support for car trucks | |
| US1860021A | Reversible display device | |
| US1831486A | Supporting structure | |
| US1817581A | Tank car | |
| US1817580A | Method of manufacturing tank cars | |
| US1810621A | Valve mechanism | |
| US1691670A | Valve-equipped container |