序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
1 Draft control apparatus for furnaces US60992032 1932-05-07 US1921763A 1933-08-08 ROBERT MACDOUGALL
2 Method of making glass-coated pipe coils US49451130 1930-11-10 US1882348A 1932-10-11 DEN STEINEN GUSTAV VON
3 Enamel firing stand US2735921D US2735921A 1956-02-21
4 Apparatus for applying enamel to can bodies US8925536 1936-07-06 US2129220A 1938-09-06 KRONQUEST ALFRED L
5 Furnace US42948230 1930-02-19 US1889955A 1932-12-06 ARNOLD DUTTON CHAUNCEY
6 Enameling furnace US30494528 1928-09-10 US1857206A 1932-05-10 ROBERT MACDOUGALL
7 Apparatus for supporting sheet-metal specimens during sag test US37403053 1953-08-13 US2745280A 1956-05-15 CONAWAY HARRY L
8 Enameling stand US32561252 1952-12-12 US2743499A 1956-05-01 EDGERTON ARTHUR H
9 Furnace conveyer structure US16042050 1950-05-06 US2696978A 1954-12-14 SIEGEL DAVID T
10 Apparatus for making glass-coated pipe coils US32602728 1928-12-14 US1882347A 1932-10-11 DEN STEINEN GUSTAV VON
11 Enameling furnace conveyer US44981630 1930-05-05 US1819472A 1931-08-18 ROBERT MACDOUGALL
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