| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 81 | Continuous furnace | US17591250 | 1950-07-26 | US2608740A | 1952-09-02 | DANY ELMER W |
| 82 | Machine for stringing hangers and the like | US9850749 | 1949-06-11 | US2589899A | 1952-03-18 | VAIL WALTER J |
| 83 | Sheet bowing support for oven conveyers | US45827242 | 1942-09-14 | US2338015A | 1943-12-28 | WHITAKER CHARLES H |
| 84 | Coating apparatus | US32596440 | 1940-03-26 | US2266392A | 1941-12-16 | DURANT WALTER W; BARNES ROBERT B |
| 85 | Support | US23729738 | 1938-10-27 | US2252963A | 1941-08-19 | FAHRENWALD FRANK A |
| 86 | Double tier oven | US20740838 | 1938-05-11 | US2222514A | 1940-11-19 | O'BRIEN FRANK J; KRONQUEST ALFRED L |
| 87 | Equalizer support for enameled tanks during firing | US14886637 | 1937-06-18 | US2201786A | 1940-05-21 | NILSON ERIC H |
| 88 | Drying oven | US12913837 | 1937-03-05 | US2157938A | 1939-05-09 | DANIEL MILAN |
| 89 | Enameling furnace | US15849237 | 1937-08-11 | US2137040A | 1938-11-15 | WOODSON JAMES C |
| 90 | Protective circuit for enameling furnaces | US55301631 | 1931-07-24 | US1904580A | 1933-04-18 | NORDSTRAND ROBERT D VAN |
| 91 | Enameling furnace | US49972430 | 1930-12-03 | US1891919A | 1932-12-27 | ARNOLD DUTTON CHAUNCEY |
| 92 | Apparatus for heat-treating | US24213227 | 1927-12-23 | US1867941A | 1932-07-19 | GEER PAUL L |
| 93 | Furnace | US52833431 | 1931-04-07 | US1852816A | 1932-04-05 | MCFARLAND JAMES L |
| 94 | Muffle furnace | US47669830 | 1930-08-20 | US1833088A | 1931-11-24 | PAUL MOHRING |
| 95 | Furnace | US32683328 | 1928-12-18 | US1830548A | 1931-11-03 | IPSEN CARL L; MCFARLAND JAMES L |
| 96 | Enameling furnace conveyer | US44981630 | 1930-05-05 | US1819472A | 1931-08-18 | ROBERT MACDOUGALL |
| 97 | Apparatus for loading and unloading enameling furnaces | US14235026 | 1926-10-18 | US1761996A | 1930-06-03 | STEVENSON LAWRENCE J |
| 98 | Muffle furnace and method of operating the same | US21631327 | 1927-08-29 | US1752800A | 1930-04-01 | WALLACE KEMP WILLIAM |
| 99 | Baking apparatus | US10397926 | 1926-04-22 | US1746155A | 1930-02-04 | HEISLER CHARLES L |
| 100 | Burning rack | US31668628 | 1928-11-02 | US1738030A | 1929-12-03 | BEBB HARRY T |
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