子分类：
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 181 | Fastening device | US66845023 | 1923-10-13 | US1601352A | 1926-09-28 | DOUGHERTY JOHN J |
| 182 | Air-brake equipment | US64341323 | 1923-06-04 | US1535455A | 1925-04-28 | DAPRON JOSEPH M |
| 183 | Car door | US53360722 | 1922-02-02 | US1448287A | 1923-03-13 | COOPER ANGUS R; CARTHY HUGH J |
| 184 | Car-door | US33711519 | 1919-11-11 | US1356257A | 1920-10-19 | BRODHAGE WILLIAM H |
| 185 | Sash-fastener. | US14716717 | 1917-02-07 | US1276333A | 1918-08-20 | CROSTA WILLIAM |
| 186 | chaffee | US1195779D | US1195779A | 1916-08-22 | ||
| 187 | Car-door fastener. | US6003915 | 1915-11-06 | US1175349A | 1916-03-14 | FLEMING CHARLES |
| 188 | Car-door fastener. | US6078415 | 1915-11-10 | US1171047A | 1916-02-08 | HORNAGY JOHN |
| 189 | Car-door fastener. | US1390815 | 1915-03-12 | US1164456A | 1915-12-14 | BLACKBURN RONDO J |
| 190 | Trap-door for railway-cars. | US1914821920 | 1914-03-02 | US1144983A | 1915-06-29 | AXE ROY T |
| 191 | Trap-door for railway-cars and similar structures. | US1912721519 | 1912-09-20 | US1138070A | 1915-05-04 | AXE ROY T |
| 192 | Trap-door for railway-cars and similar structures. | US1912721520 | 1912-09-20 | US1090092A | 1914-03-10 | AXE ROY T |
| 193 | Car-platform extension. | US1911633345 | 1911-06-15 | US1056038A | 1913-03-18 | MAYO JOHN C |
| 194 | Sash lock or fastener. | US1911620073 | 1911-04-10 | US1026051A | 1912-05-14 | RODATT AUGUST C |
| 195 | Car-door fastener. | US1904200951 | 1904-03-31 | US799043A | 1905-09-12 | GREENE ELI R |
| 196 | Railway-car gate. | US1903223655 | 1903-03-06 | US785456A | 1905-03-21 | WAITE CHARLES M |
| 197 | bartlett | US384115D | US384115A | 1888-06-05 | ||
| 198 | boughton | US365117D | US365117A | 1887-06-21 | ||
| 199 | powers | US291354D | US291354A | 1884-01-01 | ||
| 200 | Improvement in seal-locks | US216631D | US216631A | 1879-06-17 | ||
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