...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 7217029 | Mixer with lump breaker having multiple axes of rotation A mixer is provided comprising: a casing (20) having symmetry of rotation about a first axis (13), mixing members (22) driven in rotation relative to the casing (20) and about a second axis (15) that is inclined relative to the fir... | 05/15/2007 |
| 4792237 | Agitating blade structure of soil stabilizing apparatus An agitating and cutting blade structure of soil apparatus substantially comprises a plurality of concentric rotary shafts which rotate in mutually opposite directions and a plurality of agitating blades which are fixedly mounted on the respective rotary ... | 12/20/1988 |
| 4473299 | Gluten producing system A system for producing gluten continuously at a rapid rate, the system including a vertical tube having an inlet at its upper end to receive a flour paste, the lower end of the tube being perforated to define a separation zone surrounded by a water jacket... | 09/25/1984 |
| 4368986 | Dual shell blender with intensifier Disclosed is a dual shell blender having a liquid dispersion intensifier assembly or agitator which extends in only one of two legs of the blender. The intensifier assembly includes a single assembly of discs adapted to be rotated at a high rate of speed ... | 01/18/1983 |
| 4100615 | Food processing apparatus The lid support member for the lid of a high speed food processing apparatus supports a mixing baffle blade through the center of the lid. The mixing baffle blade drive shaft is hollow for introducing liquids into the mixing bowl directly over the food pr... | 07/11/1978 |