# US 12,213,448 B1 · Animal waste disposal apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,213,448 B1 - Document ID: US12213448B1 - Status: Granted - Kind: B1 - Application number: 17/751,258 - Filed: 2022-05-23 - Granted: 2025-02-04 - Earliest claimed: 2019-03-21 - Applicants: Colette Green - Inventors: Colette Green - Web page: https://patentgrep.com/patent/US12213448B1 ## CPC - A01K 1/0117: {with conveying belts for removing excrement} - B65F 1/02: without removable inserts - B65F 7/00: Cleaning or disinfecting devices combined with refuse receptacles or refuse vehicles (such devices per se A61L, B08B) - B65F 2240/136: Dog dirt - A01K: ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS - B65F: GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE (disinfecting refuse A61L; refuse disintegrators B02C; sorting refuse B03B; B07B; handcarts for transporting refuse receptacles B62B; sack holders B65B67/00; converting refuse into fertilisers C05F; converting refuse into solid fuels C10L; sewers, cesspools E03F; arrangements in buildings for the disposal of refuse E04F17/10; refuse-consuming furnaces F23G; {for surgical articles A61B50/36}) ## Abstract A pet waste disposal apparatus having an open top container, a sloping floor surface, an outlet drain, a pair of space apart support bars located within and connecting the side walls of the container, a walking board supported on the support bars, a first roller located between the first end of the walking board and a second roller located between the second end of the walking board, a waste inlet located between the first roller and the first end of the container, a rotating belt having an artificial turf exterior surface and tensioned mounted to the rollers, an electrically driven cover plate moveable between a closed and opened position, a spray cleaning system located within the container for cleaning the rotating belt of wastes and directing pet wastes out of the container and a motor for powering rollers, the cover plate, and the spray cleaning system. ## Claims ### Claim 1 A pet waste disposal apparatus comprising: a waterproof open top container having a first end, a second end, a pair of sidewalls; a sloping floor surface located within the open top container; a vertical drop outlet drain located on the sloping floor surface, the vertical drop outlet drain connectable to an existing sewer line to receive pet waste within the open top container with the sloping floor surface angled to direct fluids and pet waste flow to the vertical drop outlet drain; a pair of space apart support bars located within the open top container and connecting the side walls of the open top container; a water and weatherproof walking board having a first end, a second end and a top surface, the walking board fixedly supported on the pair of support bars between the pair of sidewalls of the open top container; a first electrically driven roller located between the first end of the walking board and the first end of the open top container and supported at least partially within the open top container by the pair of the walls; a second electrically driven roller located between the second end of the walking board and the second end of the open top container and supported at least partially within the open top container by the pair of the walls; a pet waste inlet located between the first roller and the first end of the open top container; a rotating belt having a waterproof artificial turf exterior surface and an interior surface, the rotating belt tensioned mounted by the engagement of the inner interior surface of the rotating belt to the exterior surfaces of the first and second electrically driven rollers and the top surface of the walking board; an electrically driven cover plate mounted proximal the first end of the open top container and moveable in an angular direction between a closed position and an opened position to allow the pet waste inlet to receive pet waste from the rotating belt into the open top container; a spray cleaning system located within the open top container, the spray cleaning system having at least one sprayer for cleaning the waterproof artificial turf exterior surface of the rotating belt of pet wastes while simultaneously directing pet wastes located on the floor surface of the container through the outlet of the open top container; and at least one motor for powering at least one of electrically driven rollers, the electrically driven cover plate, and the spray cleaning system. ### Claim 2 (depends on 1) The pet waste disposal apparatus of claim 1 wherein the floor surface comprises a V-shaped floor surface sloping from the second end towards the first end of the open top container. ### Claim 3 (depends on 2) The pet waste disposal apparatus of claim 2 wherein the V-shaped floor surface includes at least one V-shaped trough extending from one of the ends of the open top container to the vertical drop outlet drain, the V-shaped trough collecting and facilitating the flow of the fluids and pet waste to the vertical drop outlet drain. ### Claim 4 (depends on 2) The pet waste disposal apparatus of claim 2 wherein the U-shaped floor surface includes at least one U-shaped trough extending from one of the ends of the open top container to the vertical drop outlet drain, the U-shaped trough collecting and facilitating the flow of fluids and pet waste to the vertical drop outlet drain. ### Claim 5 (depends on 1) The pet waste disposal apparatus of claim 1 wherein the vertical drop outlet drain is located directly underneath the pet waste inlet. ### Claim 6 (depends on 1) The pet waste disposal apparatus of claim 1 wherein the vertical drop outlet drain is located proximal midway between the first end and the second end of the open top container. ### Claim 7 (depends on 1) The pet waste disposal apparatus of claim 1 wherein the first electrically driven roller and the second electrically driven roller are located completely within the open top container. ### Claim 8 (depends on 1) The pet waste disposal apparatus of claim 1 wherein the spray cleaning system is located underneath the rotating belt. ### Claim 9 (depends on 1) The pet waste disposal apparatus of claim 1 wherein the spray cleaning system includes a rotating belt cleaning sprayer and a floor surface cleaning sprayer. ### Claim 10 (depends on 1) The pet waste disposal apparatus of claim 1 wherein the at least one motor comprises a first motor for powering the at least one of electrically driven rollers, a second motor for powering the electrically driven cover plate, and a third motor for powering the spray cleaning system. ### Claim 11 A pet waste disposal apparatus comprising: a waterproof open top container having a first end, a second end, a pair of sidewalls; a pair of space apart support bars located within the open top container and connecting the side walls of the open top containers; a water and weatherproof walking board having a first end, a second end and a top surface, the walking board fixedly supported on the pair of support bars between the pair of sidewalls of the open top container; a first electrically driven roller located between the first end of the walking board and the first end of the open top container and supported at least partially within the open top container by the pair of the walls; a second electrically driven roller located between the second end of the walking board and the second end of the open top container and supported at least partially within the open top container by the pair of the walls; a pet waste inlet located between the first roller and the first end of the open top container; a V-shaped floor surface sloping from the second end towards the first end of the open top container; a vertical drop outlet drain located on the sloping floor surface proximal the pet waste inlet, the vertical drop outlet drain connectable to an existing sewer line to receive pet waste within the open top container with the sloping floor surface angled to direct fluids and pet waste flow to the vertical drop outlet drain; a rotating belt having a waterproof artificial turf exterior surface and an interior surface, the rotating belt tensioned mounted by the engagement of the inner interior surface of the rotating belt to the exterior surfaces of the first and second electrically driven rollers and the top surface of the walking board; an electrically driven cover plate mounted proximal the first end of the open top container and moveable in an angular direction between a closed position and an opened position to allow the pet waste inlet to receive pet waste from the rotating belt into the open top container; a spray cleaning system located within the open top container, the spray cleaning system having at least one sprayer for cleaning the waterproof artificial turf exterior surface of the rotating belt of pet wastes while simultaneously directing pet wastes located on the floor surface of the container through the outlet of the open top container; and at least one motor for powering at least one of electrically driven rollers, the electrically driven cover plate, and the spray cleaning system. ### Claim 12 (depends on 11) The pet waste disposal apparatus of claim 11 wherein the V-shaped floor surface includes at least one V-shaped trough extending from one of the ends of the open top container to the vertical drop outlet drain, the V-shaped trough collecting and facilitating the flow of the fluids and pet waste to the vertical drop outlet drain. ### Claim 13 (depends on 12) The pet waste disposal apparatus of claim 12 wherein the vertical drop outlet drain is located proximal the pet waste inlet. ### Claim 14 (depends on 13) The pet waste disposal apparatus of claim 13 wherein the electrically driven rollers, the electrically driven cover plate, and the spray cleaning system are all controlled by a control system. ### Claim 15 (depends on 14) The pet waste disposal apparatus of claim 14 wherein the at least one motor is located on an exterior of the open top container. ### Claim 16 (depends on 15) The pet waste disposal apparatus of claim 15 wherein the spray cleaning system is located underneath the rotating belt. ### Claim 17 (depends on 16) The pet waste disposal apparatus of claim 16 wherein the spray cleaning system includes a pair of rotating belt cleaning sprayer and a plurality of floor surface cleaning sprayer. ### Claim 18 (depends on 11) The pet waste disposal apparatus of claim 11 wherein the U-shaped floor surface includes at least one U-shaped trough extending from one of the ends of the open top container to the vertical drop outlet drain, the U-shaped trough collecting and facilitating the flow of the fluids and pet waste to the vertical drop outlet drain. ### Claim 19 A pet waste disposal apparatus comprising: a waterproof open top container having a first end, a second end, a pair of sidewalls; a pair of space apart support bars located within the open top container and connecting the side walls of the open top containers; a water and weatherproof walking board having a first end, a second end and a top surface, the walking board fixedly supported on the pair of support bars between the pair of sidewalls of the open top container; a first electrically driven roller located between the first end of the walking board and the first end of the open top container and supported at least partially within the open top container by the pair of the walls; a second electrically driven roller located between the second end of the walking board and the second end of the open top container and supported at least partially within the open top container by the pair of the walls; a pet waste inlet located between the first roller and the first end of the open top container; a V-shaped floor surface sloping from the second end towards the first end of the open top container; a vertical drop outlet drain located on the sloping floor surface proximal the pet waste inlet, the vertical drop outlet drain connectable to an existing sewer line to receive pet waste within the open top container with the sloping floor surface angled to direct fluids and pet waste flow to the vertical drop outlet drain; a V-shaped trough extending from the second end towards the first end of the open top container, the V-shaped trough collecting and facilitating the flow of fluids and pet waste to the vertical drop outlet drain; a rotating belt having a waterproof artificial turf exterior surface and an interior surface, the rotating belt tensioned mounted by the engagement of the inner interior surface of the rotating belt to the exterior surfaces of the first and second electrically driven rollers and the top surface of the walking board; an electrically driven cover plate mounted proximal the first end of the open top container and moveable in an angular direction between a closed position and an opened position to allow the pet waste inlet to receive pet waste from the rotating belt into the open top container; a spray cleaning system located within the open top container, the spray cleaning system including a pair of rotating belt cleaning sprayer for cleaning the waterproof artificial turf exterior surface of the rotating belt of pet wastes while simultaneously directing pet wastes located on the floor surface of the container through the outlet of the open top container and a plurality of floor surface cleaning sprayer; and at least one motor for powering at least one of electrically driven rollers, the electrically driven cover plate, and the spray cleaning system. ### Claim 20 (depends on 19) The pet waste disposal apparatus of claim 19 wherein the vertical drop outlet drain is located proximal the pet waste inlet.