Filter element, air cleaner, and methods

Gas separation: processes – Filtering

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C055S357000, C055S490000, C055S492000, C055S498000, C055S500000, C055S502000, C055S521000, C055SDIG007, C055SDIG031

Reexamination Certificate

active

07001450

ABSTRACT:
A filter arrangement includes a filter element, a frame construction secured to the filter element, and a handle member secured to the filter element. In preferred embodiments, the handle member is secured to the frame construction. Preferably, the filter element includes a central core member, wherein fluted filter media is coiled around the central core member. Preferably, the central core member includes a plurality of corrugations, wherein the corrugations mateably engage at least some flutes. Preferably, the handle member is integral with the central core member, and also includes a fastening member for connection to a frame construction on the filter element. Methods for cleaning air and servicing an air cleaner preferably include constructions as described herein.

REFERENCES:
patent: 1238068 (1917-08-01), Slater et al.
patent: 2064207 (1936-12-01), Jacobs
patent: 2559604 (1952-06-01), Bauer et al.
patent: 2599604 (1952-06-01), Bauer et al.
patent: 2890796 (1959-06-01), Blood
patent: 3025963 (1962-03-01), Bauer
patent: 3209917 (1965-10-01), Yelinek
patent: 3676242 (1972-07-01), Prentice
patent: 3695437 (1972-10-01), Shaltis
patent: 3807150 (1974-04-01), Maracle
patent: 3841953 (1974-10-01), Lohkamp et al.
patent: 3849241 (1974-11-01), Butin et al.
patent: 3878014 (1975-04-01), Melead
patent: 3912631 (1975-10-01), Turman
patent: 3996914 (1976-12-01), Crall et al.
patent: 4065341 (1977-12-01), Cub
patent: 4093435 (1978-06-01), Marron et al.
patent: 4201819 (1980-05-01), Schenz
patent: 4255175 (1981-03-01), Wilkins
patent: 4316801 (1982-02-01), Cooper
patent: 4322231 (1982-03-01), Hilzendeger et al.
patent: 4394147 (1983-07-01), Caddy et al.
patent: 4402830 (1983-09-01), Pall
patent: 4410430 (1983-10-01), Hagler, Jr.
patent: 4449993 (1984-05-01), Bergeron
patent: 4575422 (1986-03-01), Zimmer
patent: 4589983 (1986-05-01), Wydevan
patent: 4810379 (1989-03-01), Barrington
patent: 4997466 (1991-03-01), Hood
patent: 5069790 (1991-12-01), Mordeki
patent: 5211846 (1993-05-01), Kott et al.
patent: 5290621 (1994-03-01), Bach et al.
patent: 5304312 (1994-04-01), Forster et al.
patent: 5350515 (1994-09-01), Stark et al.
patent: 5415677 (1995-05-01), Ager et al.
patent: 5435870 (1995-07-01), Takagaki et al.
patent: 5443891 (1995-08-01), Bach
patent: 5472463 (1995-12-01), Herman et al.
patent: 5487767 (1996-01-01), Brown
patent: 5531892 (1996-07-01), Duffy
patent: 5536290 (1996-07-01), Stark et al.
patent: 5543007 (1996-08-01), Takagaki et al.
patent: 5547480 (1996-08-01), Coulonvaux
patent: 5601717 (1997-02-01), Villette et al.
patent: 5613992 (1997-03-01), Engel
patent: 5624559 (1997-04-01), Levin et al.
patent: 5714126 (1998-02-01), Frund
patent: 5730766 (1998-03-01), Clements
patent: 5820646 (1998-10-01), Gillingham et al.
patent: 5846495 (1998-12-01), Whittenberger et al.
patent: 5895574 (1999-04-01), Friedmann et al.
patent: 5897676 (1999-04-01), Engel et al.
patent: 5897787 (1999-04-01), Keller
patent: 6017379 (2000-01-01), Kaufmann
patent: D437402 (2001-02-01), Gieseke et al.
patent: 6235195 (2001-05-01), Tokar
patent: D444219 (2001-06-01), Gieseke et al.
patent: 6348084 (2002-02-01), Gieseke et al.
patent: 6547857 (2003-04-01), Gieseke et al.
patent: 6746518 (2004-06-01), Gieseke et al.
patent: 962 066 (1957-04-01), None
patent: 3405719 (1985-08-01), None
patent: 44 29 527 (1995-10-01), None
patent: 44 15 890 (1995-11-01), None
patent: 1 169 109 (2004-04-01), None
patent: 2 382 258 (1978-09-01), None
patent: 945 065 (1963-12-01), None
patent: 1 284 403 (1972-08-01), None
patent: 1171615 (1989-07-01), None
patent: WO 97/40917 (1997-11-01), None
Allowed claims 21-47 from U.S. Appl. No. 10/349,405.
Translated copy of the contentions filed in European Opposition No. 00913578 by Mann & Hummel opposing Donaldson European Appl. 1 169 109, submitted Jan. 13, 2005.

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

Filter element, air cleaner, and methods 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 element, air cleaner, and methods, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Filter element, air cleaner, and methods will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3690465

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