| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 61 | Apparatus for filling and ramming foundry flasks | US8067949 | 1949-03-10 | US2568536A | 1951-09-18 | SIDNEY BEECH AUSTIN |
| 62 | Flask charging machine for foundries | US11000049 | 1949-08-12 | US2555914A | 1951-06-05 | SIDNEY BEECH AUSTIN |
| 63 | Apparatus for ramming flasks | US59814545 | 1945-06-07 | US2497585A | 1950-02-14 | CLAY MURRAY G |
| 64 | Flask filling apparatus | US15686137 | 1937-08-02 | US2230432A | 1941-02-04 | NAYLOR WALTER E |
| 65 | Flask filling apparatus | US12270037 | 1937-01-28 | US2190457A | 1940-02-13 | NAYLOR WALTER E |
| 66 | Flask filling apparatus | US6080736 | 1936-01-25 | US2092331A | 1937-09-07 | PIPER WALTER F |
| 67 | Sand handling apparatus | US58205331 | 1931-12-19 | US1997392A | 1935-04-09 | PIPER WALTER F |
| 68 | Sand ramming machine | US38758129 | 1929-08-22 | US1882608A | 1932-10-11 | HOWE ANDREW F |
| 69 | Sand distributor for filling molding boxes and the like with molding sand | US37962629 | 1929-07-20 | US1865145A | 1932-06-28 | WILHELM SEIDEMANN |
| 70 | Sand-handling truck | US8044726 | 1926-01-11 | US1809796A | 1931-06-09 | BEARDSLEY ELMER O; PIPER WALTER F |
| 71 | Machine for handling molding sand | US31111528 | 1928-10-08 | US1804394A | 1931-05-12 | BEARDSLEY ELMER O |
| 72 | Machine for filling molds for founding | US75448724 | 1924-12-08 | US1774076A | 1930-08-26 | BEARDSLEY ELMER O; PIPER WALTER F |
| 73 | Molding machine | US8801426 | 1926-02-13 | US1717652A | 1929-06-18 | BEARDSLEY ELMER O; PIPER WALTER F |
| 74 | Molding machine | US75309524 | 1924-12-01 | US1717651A | 1929-06-18 | BEARDSLEY ELMER O; PIPER WALTER F |
| 75 | Sand-ramming machine | US37179920 | 1920-04-07 | US1570652A | 1926-01-26 | TOWNSEND JOHN S |
| 76 | Sandslinger machine | US66046823 | 1923-09-01 | US1564258A | 1925-12-08 | ALEXIUS LOUGHRAN |
| 77 | Molding machine | US60465822 | 1922-12-04 | US1534566A | 1925-04-21 | BEARDSLEY ELMER O; PIPER WALTER F |
| 78 | Portable molding machine | US59672222 | 1922-10-25 | US1534565A | 1925-04-21 | BEARDSLEY ELMER O |
| 79 | Molding-sand-handling machine | US60068722 | 1922-11-13 | US1533383A | 1925-04-14 | CAMPBELL DONALD J |
| 80 | Molding machine | US50731821 | 1921-10-12 | US1527765A | 1925-02-24 | WANGELIN WALTER H |
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