序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
41 Clip-on push roller US3424103D 1966-10-27 US3424103A 1969-01-28 SURACI ANTHONY J
42 Floor conveyors US54503466 1966-04-25 US3407751A 1968-10-29 BARCLAY ORWIN OLAF JOHN
43 Overhead tow conveyor US35349664 1964-03-20 US3265012A 1966-08-09 BEITZEL ARVENE R; GREEN AUGUSTUS E; MEYER HOWARD L
44 Drag line conveyor system US505260 1960-01-27 US3059587A 1962-10-23 DICKSON ROBERT H; WILLITTS WILLIAM M
45 Flush top rider chain for floor conveyers US15142250 1950-03-23 US2689036A 1954-09-14 EDWARD MULLEN; PAUL KLAMP
46 Pusher dog conveyer assembly US67482746 1946-06-06 US2529663A 1950-11-14 ROBINSON GEORGE H
47 Hand truck conveyer US13507337 1937-04-05 US2107465A 1938-02-08 BORGGAARD CLARENCE S
48 Vehicle propeller for endless conveyers US30752228 1928-09-21 US1740014A 1929-12-17 HAWKINS ALDA F
49 Endless conveyer. US9577116 1916-05-06 US1255339A 1918-02-05 RENO JESSE W
50 Transportation system. US5825215 1915-10-27 US1186465A 1916-06-06 BATES ADELMER M
51 System of tranferring freight and baggage. US1914843091 1914-06-04 US1124271A 1915-01-12 BERNHEIM MORRIS U
52 System for transferring freight and baggage. US1914842951 1914-06-04 US1124269A 1915-01-12 BERNHEIM MORRIS U
53 Car-haul. US1911608324 1911-02-13 US1000106A 1911-08-08 MORRIS CHARLES A
54 Inclined truck-elevator. US1909512531 1909-08-12 US942352A 1909-12-07 RENO JESSE W
55 Conveyer for hand-trucks. US1907391318 1907-09-04 US888591A 1908-05-26 COWARD HERBERT C
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