Ronald L Allison

US Patent:

57788227, Jul 14, 1998

Filed:

Dec 29, 1995

Appl. No.:

8/581496

Inventors:

James Wesley Giffin - Southlake TX
Ronald William Allison - Fort Worth TX
Joe Benton Carnahan - Flower Mound TX

Assignee:

Giftech Filter Products, Inc. - Southlake TX

International Classification:

A01K 2900

US Classification:

119165

Abstract:

A pet litter container having a covering defines an interior space. A door opening in the covering allows for pet ingress and egress. A plurality of ventilation openings are provided in the covering. A power filter is located in fluid communication with the ventilation openings for removing and filtering odors from the air in the interior space. The power filter includes a power filter housing having an air inlet and an air outlet. An air path is defined by the power filter housing between the air inlet and the air outlet. A low voltage fan is mounted in the housing in the air path for moving air at a predetermined rate from the interior space, through the air inlet, and out the air outlet for exhausting filtered air from the interior space into an interior room in a house or an apartment. A self-contained filter cartridge is removably mounted in the housing in the air path for removing odors from the air in the air path. The power filter housing also includes retention means for releasably retaining the air inlet in fluid communication with the ventilation slots in the covering.