| 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 | Conveyors | US50906655 | 1955-05-17 | US2903123A | 1959-09-08 | WILLIAM NAYLOR |
| 182 | Cable belt conveyors | US68265057 | 1957-09-09 | US2893541A | 1959-07-07 | WALKER JOHN R |
| 183 | Conveying apparatus | US61856456 | 1956-10-26 | US2886167A | 1959-05-12 | LANIER JR STERLING S |
| 184 | Troughed belt conveyor | US58786756 | 1956-05-28 | US2877887A | 1959-03-17 | OSKAR NOE |
| 185 | Band conveyors | US35970253 | 1953-06-05 | US2832463A | 1958-04-29 | CONRAD GREBE; ERICH HAUPT |
| 186 | Endless belt trough conveyor | US38795853 | 1953-10-23 | US2821290A | 1958-01-28 | WELLESLEY DUNCAN ANGUS |
| 187 | Endless-belt conveyors | US29706452 | 1952-07-03 | US2747726A | 1956-05-29 | DAVIS ROBINS SAMUEL |
| 188 | Conveyors | US33741553 | 1953-02-17 | US2746596A | 1956-05-22 | CHARLES THOMSON |
| 189 | Flexible trough belt conveyer | US30461052 | 1952-08-15 | US2670837A | 1954-03-02 | HANSEN EDWARD F |
| 190 | Conveyer belt | US11309549 | 1949-08-30 | US2656035A | 1953-10-20 | CHARLES THOMSON; HUNTER GORDON SAMUEL |
| 191 | Conveying and unloading device | US4916848 | 1948-09-14 | US2635735A | 1953-04-21 | SMITH PAUL A |
| 192 | Conveyer slat | US21049138 | 1938-05-27 | US2195796A | 1940-04-02 | CURRIE OTIS C |
| 193 | Corrosive resistant chain and drive | US19855038 | 1938-03-28 | US2188025A | 1940-01-23 | WEISS CHARLES R |
| 194 | Belt conveyer | US18925438 | 1938-02-07 | US2146689A | 1939-02-07 | ABRAM SIMON |
| 195 | Conveyer | US404535 | 1935-01-30 | US2076506A | 1937-04-06 | SIBSON WALTER W; BELCHER HAROLD H |
| 196 | Woven fabric conveyer and like band | US70843734 | 1934-01-26 | US2019700A | 1935-11-05 | EDWARD GYATT CECIL |
| 197 | Sectional endless screen conveyer | US68908433 | 1933-09-12 | US1995821A | 1935-03-26 | SARGENT ALLAN C |
| 198 | Endless conveyer or elevator | US34506129 | 1929-03-07 | US1750425A | 1930-03-11 | JOSEPH PARKER |
| 199 | Rope conveyer | US20492527 | 1927-07-11 | US1686030A | 1928-10-02 | BRINDLEY PITT ROBERT |
| 200 | Conveyer | US35073120 | 1920-01-12 | US1559772A | 1925-11-03 | RICHARD PEALE |
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