Portable filtration unit

The ornamental design for a portable filtration unit, as shown and described.

FIG. 1 is a front elevational view of a portable filtration unit showing my new design.

FIG. 2 is a side elevational view of the right side thereof as viewed in FIG. 1.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a left side elevational view thereof as viewed in FIG. 1.

FIG. 5 is a bottom plan view thereof.

FIG. 6 is a top plan view thereof.

The showing of the tubular elements broken away is to indicate indeterminate length.

Patent	Priority	Assignee	Title
7615152,	Aug 23 2001	Helen of Troy Limited	Water filter device
7740765,	Aug 23 2001	Helen of Troy Limited	Methods for treating water
7740766,	Aug 23 2001	Helen of Troy Limited	Methods for treating water
7749394,	Aug 23 2001	Helen of Troy Limited	Methods of treating water
7850859,	Aug 23 2001	Helen of Troy Limited	Water treating methods
7922008,	Aug 23 2001	Helen of Troy Limited	Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles
8119012,	Aug 23 2001	Helen of Troy Limited	Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles
D501912,	Aug 19 2003	Procter & Gamble Company, The	Water filter device

Patent	Priority	Assignee	Title
3012676,
3616609,
3920552,
4144167,	Apr 14 1977	BURKETT, BARBARA L , 6358 N ORANGE TREE DR , TUCSON, AZ	Sewage treatment system
194861,

Executed on

Assignor

Assignee

Conveyance

Frame

Reel

Doc

n/a

Date	Maintenance Fee Events

n/a

Date	Maintenance Schedule