Liquid purification or separation – Diverse distinct separators – Including a filter
Reexamination Certificate
2011-08-09
2011-08-09
Savage, Matthew O (Department: 1776)
Liquid purification or separation
Diverse distinct separators
Including a filter
C210S304000, C210S351000, C210S414000, C210S415000, C210S416100, C210S497100, C210S512300
Reexamination Certificate
active
07993519
ABSTRACT:
A filter apparatus, including a dual-chambered, centrifugal and compressive filtration apparatus having a central annular filter element, rotating external radial fins extending from adjacent the filter element to adjacent an outer cannister wall and internal fins within the annular filter element. The disclosed filter element is a continuous resilient, cylindrical, helical filter coil including a regular sinusoidal shape defining loop-shaped filter pores between adjacent coils.
REFERENCES:
patent: 823527 (1906-06-01), Hardie
patent: 1036123 (1912-08-01), Kiefer
patent: 3892173 (1975-07-01), Hall et al.
patent: 4173527 (1979-11-01), Heffley et al.
patent: 4193865 (1980-03-01), Aario
patent: 4309284 (1982-01-01), Morimoto et al.
patent: 4446788 (1984-05-01), Molnar
patent: 5229014 (1993-07-01), Collins
patent: 7182921 (2007-02-01), Miura et al.
patent: 7513372 (2009-04-01), Carew
patent: 7674377 (2010-03-01), Carew
patent: 2007/0124997 (2007-06-01), Liu et al.
patent: 2008/0290018 (2008-11-01), Carew
patent: 945614 (1964-01-01), None
patent: 2008030805 (2008-03-01), None
PCT International Search Report, International Application No. PCT/US2009/066415; International Filing Date Dec. 2, 2009, mailed Jan. 28, 2010.
Howard & Howard Attorneys PLLC
Savage Matthew O
LandOfFree
Filter apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Filter apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Filter apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2776065