| Patents for Albert Allen |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 299,915 | Jun. 03, 1884 | D.C. Cumings | Counter-shaft | industrial machine pulleys and belt drive mechanisms |
| 2,226,446 | Dec. 24, 1940 | A. Allen, G. Smith | Process for treating thermoplastic products | plastic molding machines |
| 2,226,447 | Dec. 24, 1940 | A. Allen, G. Smith | Magnetic heater | plastic molding machines |
| 2,228,902 | Jan. 14, 1941 | A. Allen | Automatically Controlled Machine Tool and Follow-Up System | metalworking machine mechanisms |
| GB-533,417 | Feb. 12, 1941 | A. Allen, G. Smith | Improvements in or relating to apparatus for heating moldable materials | plastic molding machines |
| GB-538,524 | Aug. 07, 1941 | G. Smith, A. Allen | Improvements in or relating to magnetic field structures for induction heating devices | plastic molding machines |
| GB-540,908 | Nov. 05, 1941 | A. Allen, G. Smith | Improvements in or relating to heating apparatus for injection moulding machines | plastic molding machines |
