| All Patents in class 34/233 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 56,861 | Jul. 31, 1866 | P. Plant | Coffee Roaster | coffee roasters |
| 61,393 | Jan. 22, 1867 | J. Burns | Grain Dryer | coffee coolers |
| 270,503 | Jan. 09, 1883 | J.J. Stopple | Coffee Roaster | coffee roasters |
| 591,307 | Oct. 05, 1897 | B. Tupholme | Apparatus for Roasting Coffee | coffee roasters |
| 619,297 | Feb. 14, 1899 | D.B. Fraser | Apparatus for Cooling Roasted Coffee | coffee coolers |
| 2,346,500 | Apr. 11, 1944 | R.C. Moore | Drying method and apparatus | |
| 4,065,249 | Dec. 27, 1977 | J.W. Nelson | Heater for billets | |
