序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
161 Sand muller US30588439 1939-11-24 US2267677A 1941-12-23 WILLIAM BAXTER
162 Sand mixer, aerator, and sifter US17058537 1937-10-23 US2207011A 1940-07-09 HOPKINS ROBERT C
163 Sand conditioning apparatus US23550438 1938-10-17 US2182284A 1939-12-05 DAVIES STANLEY B
164 Method of and apparatus for making castings and handling and conditioning the molding sand therefor US12649226 1926-08-02 US1812121A 1931-06-30 MAX SKLOVSKY
165 Machine for treating granular material US35032729 1929-03-27 US1769670A 1930-07-01 HERMANN BEHRENS
166 Separator US26452828 1928-03-24 US1755364A 1930-04-22 ROYER ENOS S
167 Sand-reconditioning machine for foundry art US28291028 1928-06-05 US1737144A 1929-11-26 CAMEROTA LOUIS A
168 Apparatus for treating and blending molders' sand US20517727 1927-07-12 US1736055A 1929-11-19 ROYER GEORGE F
169 Separator for granular material US69278924 1924-02-14 US1559916A 1925-11-03 ROYER GEORGE F
170 Method of and apparatus for separating and blending molders' sand US57340822 1922-07-07 US1559915A 1925-11-03 ROYER GEORGE F
171 Sand-cutting machine US33747819 1919-11-12 US1443773A 1923-01-30 WADSWORTH HOWARD L
172 Malt-turning machine. US1912710967 1912-07-22 US1066088A 1913-07-01 DORNFELD JOHN F
173 Carrier. US1911636119 1911-06-29 US1019175A 1912-03-05 MOORE JAY W
174 Malt-spreading-out apparatus. US1909487182 1909-04-01 US934115A 1909-09-14 WEINBEER GREGOR
175 Green-malt-turning machine. US1905265109 1905-06-13 US819145A 1906-05-01 KRAUSS HANS G
176 Malt-stirring apparatus. US1903153189 1903-04-18 US815275A 1906-03-13 DORNFELD JOHN F
177 Malt-turning apparatus. US1904228336 1904-10-13 US792106A 1905-06-13 WOERZ FRITZ; EISNER GUSTAV
178 Malt-stirring machine. US1901067427 1901-07-08 US684402A 1901-10-15 AUMANN FRANK X
179 Malt-turning apparatus. US1900001626 1900-01-16 US673835A 1901-05-07 FRANZL FRANCIS; JIROUTEK VACLAV
180 Malt stibeek US606586D US606586A 1898-06-28
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