Patent ID: 7396152

Claim:
A bladeless mixer for agitating and mixing a compound, the mixer comprising: a driving shaft rotatable about a first vertical axis of rotation; a motor unit operatively coupled to the driving shaft for rotation of the same; a support plate mounted onto the driving shaft and rotatable about the first vertical axis; a stationary ring gear coaxial to the support plate, said stationary ring gear having a portion with an inner surface extending above said support plate; and at least one pinion gear rotatably mounted to the support plate about a second vertical axis of rotation parallel to the first vertical axis of rotation, said at least one pinion gear having an outer surface complementary to the inner surface of the stationary ring gear, the outer surface of the pinion gear meshing with the inner surface of the stationary ring gear, the pinion gear having a cavity wherein the compound to be agitated and mixed is inserted.