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 Ceramic composition and method of preparing US72065734 1934-04-14 US2073136A 1937-03-09 LEE BENNETT ALBERT
182 Clays and processes for preparing same US74315534 1934-09-07 US2036617A 1936-04-07 PAUL BECHTNER; HIRSCHMANN WINFRED B
183 Ceramic wares and method of manufacture US37254329 1929-06-20 US1862974A 1932-06-14 MCDOUGAL TAINE G
184 Treatment of clay US30143328 1928-08-22 US1771479A 1930-07-29 ALTON WILLIAM H
185 Treatment of clay US29512428 1928-07-24 US1771477A 1930-07-29 ALTON WILLIAM H
186 Use of dumortierite US17881027 1927-03-26 US1723174A 1929-08-06 JEFFERY JOSEPH A; RIDDLE FRANK H
187 Method of making ceramic articles US1973725 1925-03-31 US1690208A 1928-11-06 ROSS DONALD W; LAMBIE JAMES M
188 Process of manufacturing artificial stone US4616225 1925-07-25 US1617927A 1927-02-15 TANNER OSCAR A
189 Process of preparing material for ceramic articles US62197423 1923-03-01 US1589617A 1926-06-22 AUSTIN ARTHUR O
190 Antislip tile US53177122 1922-01-25 US1567091A 1925-12-29 TONE FRANK J
191 Manufacture of chamotte bricks US65425723 1923-07-27 US1561492A 1925-11-17 EMIL SIEURIN SVEN
192 Refractory ware US43476321 1921-01-03 US1438599A 1922-12-12 JEFFERY JOSEPH A
193 Ceramic insulating material US38163720 1920-05-15 US1409953A 1922-03-21 JEFFERY JOSEPH A
194 Porcelain US26516018 1918-12-03 US1343040A 1920-06-08 CHRISTIAN DANTSIZEN
195 Manufacture of lavatory-basins, &c., made of earthenware. US1905283064 1905-10-16 US839150A 1906-12-25 JOHNSON ALFRED
196 Robert brewster US474286D US474286A 1892-05-03
197 Rose ann johnson US474253D US474253A 1892-05-03
198 Brick-kiln US252319D US252319A 1882-01-17
199 Improvement in the manufacture of artificial stone US127264D US127264A 1872-05-28
200 Improvement in explosive projectiles US38491D US38491A 1863-05-12
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