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US 12,193,406 B2Granted
Enclosed litter box
OwnerNickey Lee Kirkpatrickinventor
Life of this patent
Estimating the term…
Abstract
An enclosed litter box is provided that includes a housing sized and shaped for an animal and litter tray. The apparatus includes a self-closing door that impedes airflow between the interior and exterior of the housing and can be utilized by an animal as an entrance and exit to the housing. The apparatus further includes a recirculation ventilation system that includes a fan to draw air from the interior of the housing through a filter and then circulate the filtered air back into the interior of the housing. This filter is configured to remove odor from the air.
Claims20
A litter box enclosure, comprising:
- a housing sized and shaped for an animal and a litter tray;
- a first self-closing door providing entry into the housing, wherein the first self-closing door and the housing are configured to impede airflow between an interior of the housing and an external environment outside the housing;
- a recirculating ventilation system comprising:
- a fan configured to draw air from the interior of the housing through a filtering chamber and to circulate filtered air directly back into the interior of the housing, wherein the filtering chamber is configured to remove odor from the air.
1 more element
A litter box enclosure, comprising:
- a housing sized and shaped for an animal and a litter tray;
- a removable litter tray configured to rest at the bottom of the interior of the housing;
- a first self-closing, one-way door providing entry into the housing;
- a second self-closing, one-way door providing exit from the housing;
- the first self-closing, one-way door, the second self-closing, one-way door, and the housing being configured to impede airflow between the interior of the housing and an external environment outside the housing;
- an exit ramp comprising a plurality of openings sized and shaped to permit debris to pass through, the exit ramp positioned so that the animal must walk down the exit ramp to reach the second self-closing, one-way door;
- a secondary tray configured to rest under the exit ramp at the bottom of the interior of the housing;
- a recirculating ventilation system comprising:
- a fan configured to draw air from the interior of the housing through a filter and to exhaust the filtered air directly back into the interior of the housing, wherein the filter is configured to remove odor from the air.
6 more elements
Dependencies are inferred from the claim text.