Imperforate Bowl: Centrifugal Separators Patents (Class 494)

With condition responsive means (Class 494/1)

With means for indicating, inspecting, measuring, signaling or testing (Class 494/10)

With cyclic or time control means (Class 494/11)

Including means or structure for promoting safety (Class 494/12)

With means for exchanging heat (Class 494/13)

With means for lubricating (Class 494/15)

Including plurality of miniature bowls (e.g., test tubes) distrubuted about rotatable carrier and readily removable therefrom (Class 494/16)

Including introduction of differing-weight fluids (e.g., liquids) for countercurrent flow (Class 494/22)

With means for furnishing auxiliary fluid to material or apparatus (Class 494/23)

Including plurality of separate and distinct bowls (Class 494/31)

Bowl and means external thereof for recirculating material (Class 494/35)

With means for filtering (Class 494/36)

Process (Class 494/37)

Including sealing means (Class 494/38)

Including driven means at least partially external of bowl for moving material thereto or therefrom (Class 494/42)

Rotatable bowl (Class 494/43)

Including vibration damping means (Class 494/82)

Including bearing structure (Class 494/83)

Including specific device or structure for driving or controlling bowl (Class 494/84)

Miscellaneous (Class 494/85)

Involving mixture containing one or more gases (Class 494/900)

Involving mixture containing oil (Class 494/901)

Involving the use of mercury (Class 494/902)

Class-related foreign documents (Class 494/FOR000)