Gas separation – Zigzag – corrugated – or conical
Reexamination Certificate
2005-09-20
2005-09-20
Hopkins, Robert A. (Department: 1724)
Gas separation
Zigzag, corrugated, or conical
C055SDIG007, C156S205000, C156S474000, C425S369000
Reexamination Certificate
active
06946012
ABSTRACT:
A filter includes first and second sheets of filter media, the second sheet being pleated and forming with the first sheet a plurality of axially extending flow channels having lateral cross-sectional shapes with two adjacent included angles each greater than 45° and less than 75°. Forming apparatus and methods are provided.
REFERENCES:
patent: 1924472 (1933-08-01), Thomson
patent: 2553054 (1951-05-01), Lincoln et al.
patent: 3025963 (1962-03-01), Bauer
patent: 3112184 (1963-11-01), Hollenbach
patent: 3966646 (1976-06-01), Noakes et al.
patent: 4017347 (1977-04-01), Cleveland
patent: 4028252 (1977-06-01), Morris
patent: 4398931 (1983-08-01), Shevlin
patent: 4410427 (1983-10-01), Wydeven
patent: 4430223 (1984-02-01), Miyakawa et al.
patent: 4617072 (1986-10-01), Merz
patent: 4652286 (1987-03-01), Kusuda et al.
patent: 5042249 (1991-08-01), Erdmannsdoerfer
patent: 5075160 (1991-12-01), Stinton et al.
patent: 5194078 (1993-03-01), Yonemura et al.
patent: 5196120 (1993-03-01), White
patent: 5207807 (1993-05-01), Manfre et al.
patent: 5250476 (1993-10-01), Mogensen et al.
patent: 5298046 (1994-03-01), Peisert
patent: 5322537 (1994-06-01), Nakamura et al.
patent: 5376218 (1994-12-01), Mito et al.
patent: 5456069 (1995-10-01), Haerle
patent: 5562825 (1996-10-01), Yamada et al.
patent: 5567536 (1996-10-01), Lintz et al.
patent: 5611832 (1997-03-01), Suzuki et al.
patent: 5876537 (1999-03-01), Hill et al.
patent: 5895574 (1999-04-01), Friedmann et al.
patent: 5908480 (1999-06-01), Ban et al.
patent: 6238561 (2001-05-01), Liu et al.
patent: 2002/0090314 (2002-07-01), Bedeau et al.
patent: 1155723 (2001-11-01), None
patent: 1260683 (2002-11-01), None
patent: WO 02/49741 (2002-06-01), None
Monolithic Metal Oxide Thin-Wall Substrates with Closed and Open Cells: Optimal Designs by Theoretical Modeling and Experimental, Eugene Shustorovich, Victor Shustorovich, Konstantin Sointsev, SAE 2001 World Congress, Mar. 5-8, 2001.
Demirdogen A. Caner
Haberkamp William C.
Liu Z. Gerald
Miller Robert K.
Schukar Murray R.
Andrus Sceales Starke & Sawall LLP
FleetGuard, Inc.
Hopkins Robert A.
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