Fluid filter

Liquid purification or separation – With repair or assembling means

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C210S450000, C210S493300

Reexamination Certificate

active

07897046

ABSTRACT:
The invention comprises a fluid filter for separating contaminants from a liquid. The filter comprises a cylindrical body, a retainer, and a ring. The cylindrical body comprises an aperture disposed therethrough, a filter material for filtering the contaminants from the liquid, and an end cap portion. The retainer is coupled to the end cap portion, and the ring is disposed at least partially between the end cap portion and the retainer. A method for constructing such a filter is also disclosed.

REFERENCES:
patent: 2533266 (1950-12-01), Kovacs et al.
patent: 2693281 (1954-11-01), Winzen
patent: 3000506 (1961-09-01), Hultgren
patent: 3054507 (1962-09-01), Humbert, Jr. et al.
patent: 3224583 (1965-12-01), Rosaen
patent: 3288291 (1966-11-01), Rosaen
patent: 3295680 (1967-01-01), Wilber
patent: 3333703 (1967-08-01), Scavuzzo et al.
patent: 3397786 (1968-08-01), Hultgren
patent: 3457339 (1969-07-01), Pall et al.
patent: 3486622 (1969-12-01), Rosaen et al.
patent: 3561604 (1971-02-01), Yotsumoto
patent: 3807561 (1974-04-01), Cullis
patent: 4108775 (1978-08-01), Wilkes et al.
patent: 4133763 (1979-01-01), Cooper
patent: 4521309 (1985-06-01), Pall
patent: 4536291 (1985-08-01), Hoffmann et al.
patent: 4755289 (1988-07-01), Villani
patent: 4906365 (1990-03-01), Baumann et al.
patent: 4948503 (1990-08-01), Baumann et al.
patent: 4956089 (1990-09-01), Hurst
patent: 5045192 (1991-09-01), Terhune
patent: 5066391 (1991-11-01), Faria
patent: 5085769 (1992-02-01), Klausen et al.
patent: 5211846 (1993-05-01), Kott et al.
patent: 5250179 (1993-10-01), Spearman
patent: 5374355 (1994-12-01), Habiger et al.
patent: 5468386 (1995-11-01), Ardes
patent: 5538626 (1996-07-01), Baumann
patent: 5660726 (1997-08-01), Dluzik
patent: 5660729 (1997-08-01), Baumann
patent: 5718825 (1998-02-01), Greive et al.
patent: 5770054 (1998-06-01), Ardes
patent: 6016923 (2000-01-01), Baumann
patent: 6086763 (2000-07-01), Baumann
patent: 6090283 (2000-07-01), Schumann et al.
patent: 6554139 (2003-04-01), Maxwell et al.
patent: 6569326 (2003-05-01), Baumann et al.
patent: 6579448 (2003-06-01), Dworatzek
patent: 6685829 (2004-02-01), Baumann et al.
patent: 6696671 (2004-02-01), Boehnke
patent: 6921479 (2005-07-01), Ardes
patent: 6926825 (2005-08-01), Ardes
patent: RE38917 (2005-12-01), Ardes
patent: 7029575 (2006-04-01), Baumann et al.
patent: 7066726 (2006-06-01), Boehnke
patent: 2003/0173053 (2003-09-01), Boehnke
patent: 2145708 (1972-03-01), None
patent: 2815993 (1979-10-01), None
patent: 3422482 (1985-12-01), None
patent: 3538589 (1987-12-01), None
patent: 3904701 (1990-08-01), None
patent: 3903675 (1991-09-01), None
patent: 4325997 (1994-09-01), None
patent: 4214500 (1996-05-01), None
patent: 375373 (1990-06-01), None
patent: 1177350 (1959-04-01), None
patent: 526736 (1940-09-01), None
patent: 2163368 (1986-02-01), None
patent: 2226254 (1990-06-01), None
patent: WO 01/19491 (2001-03-01), None
patent: WO 01/85304 (2001-11-01), None
Photograph of Fleetguard Filter Element, available approximately on Jan. 30, 2004, one page.
Photographs of Hengst Filter Element, available approximately on Jan. 30, 2004, two pages.
Photograph of Hengst Filter Element, available approximately on Jan. 30, 2004, one page.
Photograph of John Deere Filter Element, available approximately on May 6, 2002, one page.
Photographs of Mann Filter Element, available approximately on Jan. 30, 2004, two pages.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Fluid filter does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Fluid filter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fluid filter will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2719425

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.