| 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 | Governing means for engines | US64932623 | 1923-07-03 | US1504278A | 1924-08-12 | ALEXANDER SMITH WILLIAM |
| 2 | Locomotive power reverse gear | US35268840 | 1940-08-15 | US2327344A | 1943-08-24 | FORKER JR MAJOR TORBETT |
| 3 | Wedge adjusting mechanism for locomotive drive boxes | US27792739 | 1939-06-07 | US2212778A | 1940-08-27 | JONES JUNIUS H |
| 4 | Steam engine slide valve control device | US19679350 | 1950-11-21 | US2625137A | 1953-01-13 | ALFRED MCMILLAN |
| 5 | Valve gear for steam engines | US33126329 | 1929-01-09 | US1809712A | 1931-06-09 | ANTON KOWARICK FREDERICO |
| 6 | Operating mechanism for slide valves | US412425 | 1925-01-22 | US1567988A | 1925-12-29 | ALSRUHE URBAN S |
| 7 | Single-acting reversible steam engine | US54060122 | 1922-03-02 | US1528836A | 1925-03-10 | MCELVANEY CHARLES T |
| 8 | Adjustable valve-operating means | US59337322 | 1922-10-09 | US1526629A | 1925-02-17 | CALHOUN COLLINS |
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