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| Number | Title | Issue Date |
| 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 |
| 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 |
| 7044287 | Conveyor belt washer A conveyor belt washer for cleaning a moving conveyor belt with a pressurized fluid. The conveyor belt washer includes a washtank, a spray assembly located within the washtank and having at least one spray head rotatably mounted with respect to the tank, and at leas... | 05/16/2006 |
| 5758600 | Livestock dung-collector This invention relates to a livestock dung-collector which has a pair of rotary shafts respectively mounted at the lower front and back comers of a split-rail pen, the front rotary shaft can be driven by a driving device; a piece of net cloth is disposed ... | 06/02/1998 |
| 5681297 | Device for disposing excrement A device for disposing excrement, comprising a diaper cup (1) having a main body (101) for encompassing a human body's hip and buttocks, a washing water sending hose (105) connected to the main body (101) for passing washing water to an interior of the di... | 10/28/1997 |
| 5592900 | Automated portable pet toilet A portable electromechanical apparatus for easily and hygienically managing and disposing of pet wastes. The apparatus contains separate solid and liquid waste collectors and containers, located beneath a platform. A waste receiving member is provided upo... | 01/14/1997 |
| 5460122 | Self cleaning kitty litter box having a movable floor A sanitary device for cats includes a rectangular, tub-like lower part that has opposite sides and is open at the top and has an opening across an entire right width on a right, narrow side thereof. The device further includes a second rectangular part th... | 10/24/1995 |
| 5289799 | Automatic pet relief station Disclosed is an automatic pet relief station (10) consisting of a housing (12) with an opening (14) to permit entry and exit of pets, an endless belt (16) positioned within the housing (12) to support a pet, a dispenser (18) positioned within the housing ... | 03/01/1994 |
| 5279258 | Automated portable pet toilet A portable electromechanical apparatus for easily and hygienically managing and disposing of pet wastes. The apparatus contains separate solid and liquid waste collectors and containers, located beneath a platform. A waste receiving member is provided upo... | 01/18/1994 |
| 5226386 | Absorbent urine detector for training animals The training device of the present invention is worn by a dog or other small quadruped and sounds an audio alarm when the animal urinates. This device includes a flexible absorbent panel assembly, a saddle assembly, a back strap assembly, and a front stra... | 07/13/1993 |
| 5188062 | Automatic litter box for small animals An automatic litter box for small animals, consisting of a litter package 37, a disposable litter container 23 for soiled litter, and an automatic litter box 1. The litter package 37 consists of alternating layers of litter 43 and clean paper layers 44 wh... | 02/23/1993 |
| 5156640 | Bird cage with conveyor for disposing of debris A self-cleaning bird cage includes a chamber formed of a plurality of transparent vertical walls and a top enclosing a perch, with a perforated floor for permitting waste from birds to drop through. A cabinet supporting the chamber includes a platform und... | 10/20/1992 |
| 4844011 | Cat waste disposal system A waste disposal system for providing and removing a controlled flow of absorbent cat litter is disclosed. The apparatus comprises a hopper for receiving and storing the litter in a flowable form. The hopper is provided with an exit passage at its lower e... | 07/04/1989 |
| 4502413 | Sanitary device for disposal of excretory matter of animals such as dogs A sanitary device for receiving natural excretory wastes from dogs or similar animals, and automatically disposing of such wastes, includes a rolling carpet on which the animal can deposit the waste matter, a platform surrounding an upper part of the carp... | 03/05/1985 |
| 4493288 | Continuous pet litter cleaning apparatus A device for continuously cleaning the litter in a litter pen by removing the old, used litter automatically as the animal uses the litter box. The number of litter changes is greatly reduced and the amount of litter wasted is also reduced.... | 01/15/1985 |
| 4465018 | Pet relief station A pet relief station is comprised to provide a safe, sanitary and natural method for pets to excrete their waste products indoors. The station has a housing which has an opening therein for the pet to enter and exit from. Inside the housing is a platform ... | 08/14/1984 |
| 4242763 | Pet toilet The present invention is a dog lavatory that is installable in a basement, apartment bathroom, or a separate area of a residential home or building. The lavatory comprises a hollow, box-shaped platform having a shield mounted around the top thereof. An en... | 01/06/1981 |
| 4196693 | Water closets for pet use The pet pot is an electrically powered water closet designed for household pets and requiring permanent installation either indoors or outdoors. It has a cover to close the unit when not in use and which acts as a backsplash when the unit is open. It is a... | 04/08/1980 |
| 4098229 | Self-contained, portable animal commode A self-contained, portable animal commode including a base with a waste holding tank and a top pivoted to the base, the top including an end vertical panel, for satisfying a male dog's natural urinating instincts, and a platform underlying a movable belt ... | 07/04/1978 |
| 4050414 | Animal toilet An animal toilet having a frame supported conveyor belt upon which the animal deposits its excreta. One end of the conveyor belt is pivoted to the toilet frame with the opposite end of the belt being supported upon a trip lever which is depressed when the... | 09/27/1977 |
| 4011837 | Self-cleaning animal kennel An animal kennel having a provision for automatically disposing of animal waste. An impervious sheet is moved along the floor of the kennel and is adapted to collect the animal waste, and after leaving the kennel, a sheet of absorbent paper is applied ove... | 03/15/1977 |
