Liquid purification or separation – With repair or assembling means
Reexamination Certificate
2008-06-16
2011-11-15
Soohoo, Tony G (Department: 1777)
Liquid purification or separation
With repair or assembling means
C210S233000, C210S234000, C210S235000, C210S443000, C210S444000
Reexamination Certificate
active
08057669
ABSTRACT:
A fluid filtering apparatus and method may include keyed components to ensure that a correct filter element is being installed into a filter base. Keyed arrangements may occur between a filter element and a filter housing, a filter and a filter base, and a filter base and a filter housing. A locking arrangement may be provided to prevent undesired loosening of a filter relative to a filter base. The filter base may include a torsion lock insert that engages lock detents of a filter to prevent the undesired loosening. An adaptor may be provided to provide the lock detents that interact with a torsion lock insert.
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Dahl Baldwin, Marine Diesel Fuel/Water Separators, Installation pamphlet, 2005, 9 pages, pp. 1-9.
Beard John H.
Calcaterra Farrell F.
Baldwin Filters, Inc.
Keyworth Peter
Reinhart Boerner Van Deuren P.C.
Soohoo Tony G
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