| 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 | Speed regulating devices for use on railroad cars | US50722255 | 1955-05-10 | US2886144A | 1959-05-12 | CHRISTY LAWRENCE R; MARSH HARRY S; DANIEL MCINTYRE; AND MERCANTILE MARGARET PHILBR |
| 2 | Mine car | US69224224 | 1924-02-12 | US1673453A | 1928-06-12 | HOCKENSMITH WILBUR D |
| 3 | Mine car | US41506620 | 1920-10-06 | US1508971A | 1924-09-16 | HEBB JOHN A; MCDADE WILLIAM J |
| 4 | Braking means | US48682121 | 1921-07-22 | US1505888A | 1924-08-19 | HELTMAN CURG W |
| 5 | Mine-car brake | US63089923 | 1923-04-09 | US1499674A | 1924-07-01 | JOHN MCCOOL |
| 6 | Vehicle-brake. | US1913747563 | 1913-02-10 | US1129249A | 1915-02-23 | STRAETEN FERNAND VAN DER |
| 7 | Friction-brake. | US1911643001 | 1911-08-08 | US1058336A | 1913-04-08 | RUDOLPH ROBERT E |
| 8 | Car-brake. | US1912676062 | 1912-02-07 | US1047022A | 1912-12-10 | FARRIER MERVIN J JR |
| 9 | Car-brake. | US1910556476 | 1910-04-20 | US989360A | 1911-04-11 | HILL WALLACE J |
| 10 | Car-brake. | US1906317285 | 1906-05-17 | US840215A | 1907-01-01 | HOUGHTON DAVID J |
| 11 | Car-brake. | US1906310356 | 1906-04-06 | US837846A | 1906-12-04 | KILLINGWORTH SAMUEL J |
| 12 | Railway car and brake. | US1905288708 | 1905-11-23 | US820366A | 1906-05-08 | PIERCE ROBERT FRANKLIN |
| 13 | Braking system for cars. | US1905241386 | 1905-01-16 | US796964A | 1905-08-08 | FIELD JESSE A |
| 14 | Brake. | US1904219737 | 1904-08-06 | US782049A | 1905-02-07 | PETERS ARTHUR EDWARD; GRAHAM EMERY EUGENE |
| 15 | Brake mechanism for railway-cars. | US1901077398 | 1901-10-03 | US700818A | 1902-05-27 | POWELL CHARLES W |
| 16 | Brake for street-cars. | US1900026303 | 1900-08-08 | US683710A | 1901-10-01 | SHRYOCK WILLIAM T |
| 17 | Car-brake-operating mechanism. | US1900024266 | 1900-07-20 | US663671A | 1900-12-11 | BLUMENBERG HENRY JR |
| 18 | Car-brake | US574913D | US574913A | 1897-01-12 | ||
| 19 | Brake foe railway oars | US541866D | US541866A | 1895-07-02 | ||
| 20 | Brake for railway-cars | US530379D | US530379A | 1894-12-04 | ||
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