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| Number | Title | Issue Date |
| 8413608 | Apparatus and method for handling animal waste An animal waste handling apparatus having a cylindrical housing with an opening to allow an animal to enter to relieve itself in litter held in the interior volume of the housing. The apparatus has a sifting drawer that is removably mounted in the interior volume of... | 04/09/2013 |
| 8381687 | Self scooping cat litter box An automated cat litter box comprising self-scooping mechanisms on a scooping carriage assembly at one end of a litter pan. The scooping carriage contains therein a waste drawer having a removable tray covered in lining. The tray travels with the carriage to the opp... | 02/26/2013 |
| 8375895 | Easy to clean animal litter container The present invention provides an animal litter container that is easy to clean and to maintain in a clean and sanitary condition. In one embodiment, the litter container includes at least two substantially identical container units correspondingly configured to nes... | 02/19/2013 |
| 8327802 | Animal litter box An animal litter box includes: an upper container, which having an upper opening for animals to come in and out, and a bottom portion, which allows fluid to pass through and over which particulate matter is spread; and a lower container having a lower opening provid... | 12/11/2012 |
| 8235006 | Disposable fold-up sifting animal litter filtering pan A disposable litter pan that is made of a flexible material, preferably biodegradable non-plastic material, such as thermally pressed cardboard or other paper fiber material treated with an aqueous coating that inhibits degradation of the pan in the presence of flui... | 08/07/2012 |
| 8166918 | Self-cleaning litter box A self-cleaning litter box (50) provides various advantages over the prior art. In particular, in one embodiment, the self-cleaning litter box (50) is configured to use a one piece litter cartridge (20) having a litter compartment (26) an... | 05/01/2012 |
| 8166920 | Self-cleaning litter box A self-cleaning litter box (50) provides various advantages over the prior art. In particular, in one embodiment, the self-cleaning litter box (50) is configured to use a one piece litter cartridge (20) having a litter compartment (26) an... | 05/01/2012 |
| 8166919 | Self-cleaning litter box A self-cleaning litter box (50) provides various advantages over the prior art. In particular, in one embodiment, the self-cleaning litter box (50) is configured to use a one piece litter cartridge (20) having a litter compartment (26) an... | 05/01/2012 |
| 8161908 | Self-cleaning litter box A self-cleaning litter box (50) provides various advantages over the prior art. In particular, in one embodiment, the self-cleaning litter box (50) is configured to use a one piece litter cartridge (20) having a litter compartment (26) an... | 04/24/2012 |
| 8156895 | Self cleaning litter box Embodiments of the present invention generally relate to an automatic self cleaning litter box. In accordance with one embodiment, an apparatus is provided that includes a litter receptacle, a drive unit moveably coupled to the litter receptacle, and a sieve coupled... | 04/17/2012 |
| 8146536 | Waste transfer pan for pet litter and method of use A waste collection and transfer pan device is disclosed. The device includes a handle portion connected to a non-planar body portion having a planar end portion forming a cavity therebetween. The pan device is useful for collecting and transferring waste material. T... | 04/03/2012 |
| 8109237 | Device for actuating automated litterbox An improved automated litter box comprises a motorized comb or rake drive mechanism for removing clumps, a means for cycling the drive mechanism, and a cat proximity sensor for sensing the relative position of a cat about or within said litter chamber. The cat proxi... | 02/07/2012 |
| 8109238 | Litter box interface junction cover The present invention relates to a device for facilitating and maintaining the cleanliness of a self cleaning cat litter box. The device is a structure that contains two plastic strips attached to a tape and attaches to an interface junction located at the top of a ... | 02/07/2012 |
| 8061301 | Method and apparatus for reducing malicious odors from a cat litter receptacle An air filter assembly is provide in conjunction with a cat litter receptacle that includes a supporting structure for a filter element. The filter element is formed of a porous structure incorporating activated ingredients specifically adapted for deodorizing unple... | 11/22/2011 |
| 8028659 | Self-cleaning litter box A self-cleaning litter box (50) provides various advantages over the prior art. In particular, in one embodiment, the self-cleaning litter box (50) is configured to use a one piece litter cartridge (20) having a litter compartment (26) an... | 10/04/2011 |
| 7997230 | Manual litter box A manual litter box provides various advantages over the prior art. In particular, in one embodiment, the manual litter box is configured to use a disposable cartridge which may include a litter compartment and a waste compartment. In another embodiment, the cartrid... | 08/16/2011 |
| 7856945 | Animal litter box An animal litter box having a movable hood can be used both in the open state and the closed state, and the movable hood can be compactly accommodated in the open state. The animal litter box includes an evacuation container and a hood, the hood having a fixed hood,... | 12/28/2010 |
| 7849818 | Animal litter box To provide an animal litter box that is easy to clean and whose setup space is not large. An animal litter box equipped with an excreta container; a lower container; and a hood, the hood has a fixed hood at a backside; a movable hood disposed at a front side; and a ... | 12/14/2010 |
| 7798101 | Apparatus and method to remove animal waste from litter An apparatus and method for separating animal waste from litter are provided. In one form, the apparatus includes a drum that contains litter and a helical rake that is rotatable in the drum. The rake can rotate relative to the drum to reduce power requirements for ... | 09/21/2010 |
| 7762213 | Self-cleaning litter box A self-cleaning litter box is disclosed which provides various advantages over the prior art. In particular, in one embodiment, the self-cleaning litter box is configured to use a cartridge which may include a litter compartment and a waste compartment. In another e... | 07/27/2010 |
| 7669555 | Self-cleaning pet litter box assembly with reciprocating bars A self-cleaning pet litter box has a conveyor to incrementally transport clumped litter material and solid pet waste to a waste receptacle. The conveyor has one end configured to extend into a pet litter container of the self-cleaning litter box and an opposite exit... | 03/02/2010 |
| 7628118 | Self scooping cat litter box An automated cat litter box comprising self-scooping mechanisms on a scooping carriage assembly at one end of a litter pan. The scooping carriage contains therein a waste drawer having a removable tray covered in lining. The tray travels with the carriage to the opp... | 12/08/2009 |
| 7597063 | Nested disposable pet litter trays Each pet litter tray of the nested disposable pet litter trays includes a rear portion and a front portion. The front portion includes a pair of front sidewalls, with each of the front walls having a plurality of slits formed therethrough. Following a pet's deposit ... | 10/06/2009 |
| 7568448 | Pet toilet A pet toilet 10 having a toilet box 13, a drainboard 14 partitioning the toilet box into an upper compartment and a lower compartment, an excreta treating material 15 laid in the upper compartment, and an urine absorbent member 11 ... | 08/04/2009 |
| 7565882 | Animal waste receptacle having vibration directed flow An method and apparatus for receiving and mixing a portion of animal waste material and sand includes a receptacle capable of allowing an animal to enter therein and receiving a portion of animal waste material; and a vibrating motor communicating with the receptacl... | 07/28/2009 |
| 7487742 | Apparatus and method to remove animal waste from litter An apparatus and method for separating animal waste from litter are provided. In one form, the apparatus includes a drum that contains litter and a helical rake that is rotatable in the drum. The rake can rotate relative to the drum to reduce power requirements for ... | 02/10/2009 |
| 7487743 | Cat litter box apparatus A cat litter box apparatus for accommodating a plurality of cats, the apparatus controlling odors by providing a lid and two doors which return to a closed position automatically. The apparatus further provides either manual screening of litter via the sieved half-r... | 02/10/2009 |
| 7380519 | Pet litter box A pet litter box includes a litter container for storing liquid-passing litter and a liquid-absorbing sheet tray for holding a liquid-absorbing sheet. The front-back direction of the liquid-absorbing sheet can be changed without removing the liquid-absorbing sheet f... | 06/03/2008 |
| 7293529 | Kennel system A kennel system having a floor assembly including at least one floor unit having a floor pan and a grate. The floor pan has a drain, an integral water receptacle and a trough for guiding fluid to the drain. The grate is positioned over the floor pan. The grate has a... | 11/13/2007 |
| 7293528 | Pet litter cleaning system and method A pet litter containment and cleaning system and methods of using a pet litter containment and cleaning system are described. The pet litter system comprises a pan module and removably attached processor module. Soiled pet litter is conveniently processed by rotatin... | 11/13/2007 |
| 7290499 | Self-cleaning pet litter box assembly A self-cleaning pet litter box has a conveyor to incrementally transport clumped litter material and solid pet waste to a waste receptacle. The conveyor has one end configured to extend into a pet litter container of the self-cleaning litter box and an opposite exit... | 11/06/2007 |
| 7278372 | Litter box A pet litter box includes an elongated housing having a first end wall and a second end wall. The housing further includes a sidewall extending between the first end wall and the second end wall. The litter box also includes a base supporting the housing for rotatio... | 10/09/2007 |
| 7263951 | Self cleaning litter box mechanism An apparatus for a self-cleaning litter box having a control system for a mechanical self-cleaning mechanism. The litter box has a turret carrying a rake. Limit switches indicate the location of the rake and the turret. The box includes an animal sensor that detects... | 09/04/2007 |
| 7261058 | Self cleaning litter box An apparatus for a self-cleaning litter box having a control system for a mechanical self-cleaning mechanism. The litter box has a turret carrying a rake. The box includes an animal sensor that detects the presence of an animal in the box. A specified time after the... | 08/28/2007 |
| 7258076 | Circular animal toilet enclosure The circular animal toilet enclosure of this invention has a bottom section removably coupled to a rotatable flywheel floorboard, a cover cylinder removably coupled to the bottom section, a top section removably coupled to the cover cylinder, and a controller for th... | 08/21/2007 |
| 7228818 | Litter dump apparatus and method A litter box assembly has a two piece litter box, each piece having an open end and a support frame in which the open ends are pivotally mounted to each other and to the support frame. Elevating support legs are affixed to the support frame and depend therefrom, the... | 06/12/2007 |
| 7222584 | Rake shield for automated litter boxes A rake shield apparatus used for preventing urination onto the tines of a rake and the rake itself of an automated litter box comprising: a shield, and at least one cord; the distal end of the cord is affixed to the tine of a rake and the other distal end of the cor... | 05/29/2007 |
| 7213535 | Apparatus, system and method for litter sifter A litter sifter and method for using. A litter sifter includes a lower portion having through-holes. An upper portion is connected to the lower portion. Handles are connected to the upper portion. The litter sifter having a flange. A distance between any two through... | 05/08/2007 |
| 7207292 | Apparatus and method for increasing capacity of automated litter box An improved automated litter box system which provides increased storage capacity of a waste receptacle which receives animal waste and clumped litter. The increased capacity of the waste receptacle is achieved by elevating the automated litter box system with an el... | 04/24/2007 |
| 7198006 | Cat litter box A cat litter box with a pivotable container housed on a frame, the tray floor of which forms a collection tray for cat litter and the like. A cleaning mechanism is arranged standing in the container and reaching to the floor of the tray, with which cleaning mechanis... | 04/03/2007 |
