Filter Patents (Class 210/348)
- Centrifugal extractor (Class 210/360.1)
- Separate agitator (Class 210/383)
- Vibrator and unidirectional motion filter medium (Class 210/384)
- With plural motion (Class 210/385)
- Rolls or confining members contacting residue (Class 210/386)
- Unrollable (Class 210/387)
- Vibrating or longitudinally reciprocating (Class 210/388)
- Mounted on movable valve element (Class 210/390)
- With cleaning means (Class 210/391)
- Within sealed enclosure (Class 210/398)
- Belt type (Class 210/400)
- Drum type (Class 210/402)
- Attached to or within portable prefilt receiver (Class 210/419)
- Selective directive flow relative to filter (Class 210/420)
- Combining or dividing flow passages with filter in combined passage (Class 210/428)
- Filter coaxial with valve seat or valve stem (Class 210/429)
- Filter in valve body recess (Class 210/432)
- Vented (Class 210/436)
- Central internal liquid receiver, e.g., tube (Class 210/437)
- Inlet and outlet at same end (Class 210/443)
- Clamped in casing joint (Class 210/445)
- Axially aligned inlet and outlet (Class 210/446)
- Gasket within casing or spaced removable end members (Class 210/450)
- Internal fixed shoulder supporting filter element (Class 210/451)
- Filter element clamped between closure and end wall (Class 210/453)
- Filter element attached to closure (Class 210/454)
- Medium within foraminous supporting container or sheath (Class 210/484)
- External cage-type support (Class 210/485)
- Spaced wall type, e.g., hollow leaf (Class 210/486)
- Abutted or superimposed members (Class 210/488)
- Pleated (Class 210/493.1)
- Convolute (Class 210/494.1)
- Single ring or closed frame type (Class 210/495)
- Bound, fused or matted, e.g., porous shapes, sponges, etc. (Class 210/496)
- Cylindrical, conical, or trough shape (Class 210/497.01)
- Perforated or grooved plates (Class 210/498)
- Screens, e.g., woven (Class 210/499)