| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 1 | Convertible freight car | US456539 | 1983-01-07 | US4497259A | 1985-02-05 | John D. Titterton |
| A convertible freight car operable as a flatbed car for receiving items such as lumber and the like or as a bulk storage freight car for bulk items such as grain or the like. The freight car is converted from the flatbed car to the bulk storage freight car when the flatbed is elevated upward permitting a plurality of flexible containers attached to the underside of the flatbed to be extended to form containers for receiving bulk goods or liquids. | ||||||
| 2 | Rail track | US50235855 | 1955-04-19 | US3037095A | 1962-05-29 | FERDINAND REITERER; LOUIS WINDISCH |
| 3 | Load discharging car | US57108331 | 1931-10-26 | US1889171A | 1932-11-29 | ARGYLE CAMPBELL |
| 4 | Freight car | US1661863D | US1661863A | 1928-03-06 | ||
| 5 | Dump car | US66175223 | 1923-09-10 | US1635248A | 1927-07-12 | ARGYLE CAMPBELL |
| 6 | Dump-car construction | US67460623 | 1923-11-14 | US1555203A | 1925-09-29 | HART HARRY S |
| 7 | Car construction | US54315122 | 1922-03-13 | US1543477A | 1925-06-23 | NEIKIRK JOHN O |
| 8 | Load-discharging car | US65705823 | 1923-08-13 | US1520696A | 1924-12-30 | ARGYLE CAMPBELL |
| 9 | General-service railway car | US58503422 | 1922-08-29 | US1470390A | 1923-10-09 | ROA WILLIAM J |
| 10 | Railway car | US33741519 | 1919-11-12 | US1446627A | 1923-02-27 | NEIKIRK JOHN O |
| 11 | Car-door-operating mechanism | US19050517 | 1917-09-10 | US1430378A | 1922-09-26 | JOSEPH HOSCEIT WILLIAM |
| 12 | Freight car | US33573819 | 1919-11-04 | US1421637A | 1922-07-04 | WHELAN MARTIN J |
| 13 | Transformable vehicle | US49703621 | 1921-08-30 | US1419769A | 1922-06-13 | MARIE SCHERL ANNA; VOLKHARD SCHERL |
| 14 | Railway-car construction | US40502420 | 1920-08-21 | US1411275A | 1922-04-04 | HOSCEIT WILLIAM J |
| 15 | Convertible car | US31627919 | 1919-08-09 | US1402424A | 1922-01-03 | HOSCEIT WILLIAM J |
| 16 | Convertible-car construction | US31635619 | 1919-08-09 | US1397686A | 1921-11-22 | HART HARRY S |
| 17 | Dump-car | US17913017 | 1917-07-07 | US1375700A | 1921-04-26 | INGOLDSBY FRANK S |
| 18 | Convertible ballast-car | US33657619 | 1919-11-08 | US1374568A | 1921-04-12 | DAVID HINDAHL |
| 19 | Dumping-car | US17886017 | 1917-07-05 | US1370658A | 1921-03-08 | KONRAD MALCHER |
| 20 | Convertible railway-car | US35367420 | 1920-01-24 | US1344323A | 1920-06-22 | WALKER RICHARD E |
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