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07-1709 - Parker Hannifin Corporation et al v. Baldwin Filters, Inc. et al


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07-1709 - Parker Hannifin Corporation et al v. Baldwin Filters, Inc. et al
July 3, 2008
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Memorandum Opinion and Order: This matter is before the Court to construe the disputed terms of Claims 20, 24, 25 and 26 of U.S. Patent No. 5,643,446 ("the '446 Patent") and Claims 1, 2, 3, 4 and 9 of U.S. Patent No. 6,328,883 ("the '883 Patent"). the disputed claim terms are construed as follows: "Said one of said first and second end caps" lacks antecedent basis and, therefore, renders Claim 20 of the '446 Patent invalid for indefiniteness. "End cap" means "structure that caps the filter." "Attached at an annular portion thereof to said media" means "attached at a ring-shaped portion thereof to said media." "Annular portion surrounding and defining a central opening" means "ring-shaped portion surrounding and defining a central opening." "Longitudinally extending actuating projection" means "an element that protrudes or projects from the surface of another element of the filter in a direction generally parallel to the center axis of the filter." "Said actuating projection being stationary relative to said media" needs no construction. "In circumferentially surrounding relation" means "in circumferentially and axially surrounding relation." "Circumferentially bounding" means "touching and defining the circumference of." "Nipple portion" means "a portion extending from the filter head through which fluid can flow." "Longitudinally extending annular end cap wall" means "ring-shaped end cap wall that extends into the central chamber in a direction generally parallel to the center axis of the filter." "Housing" means "a case, canister, enclosure, cover, or container for a filter media." "Closed end" means "an end at which the housing does not allow insertion of the filter media." "Open end" means "an end at which the housing allows the insertion of the filter media." "Annular body portion bonded to the filter media ring" means "ring-shaped body portion directly fixed with adhesive to the filter media ring." Judge Patricia A. Gaughan on 7/3/08. (LC,S) re 35, 37.
August 11, 2008
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Memorandum Opinion and Order: Plaintiffs' Motion to Strike Defendants' Belatedly Identified Invalidity Defenses (47) is GRANTED in PART and DENIED in PART. Judge Patricia A. Gaughan on 8/11/08. (LC,S)