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Class Information
Number: 119/163
Name: Animal husbandry > Waste toilet or related device > Activated by presence of animal
Description: Subject matter having an operating mechanism actuated in response to the animal approaching, using, or leaving the waste product collecting receiver or associated structure.










Sub-classes under this class:

Class Number Class Name Patents
119/164 Underlying belt type 23


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8613259 Dust free litter box Dec. 24, 2013
8434426 Pet toilet May. 7, 2013
8347819 Pet litter box employing ultraviolet irradiation Jan. 8, 2013
8196547 Animal potty chair Jun. 12, 2012
7958846 Animal litter device Jun. 14, 2011
7647889 Apparatus for a litter box Jan. 19, 2010
7594480 Deodorizer/disinfectant fluid treatment system and litter liner for use therewith Sep. 29, 2009
7490578 Apparatus for removing odor from animal deposits Feb. 17, 2009
7458336 Animal identification and entry control system for feeding purposes Dec. 2, 2008
7290499 Self-cleaning pet litter box assembly Nov. 6, 2007
7261058 Self cleaning litter box Aug. 28, 2007
7258076 Circular animal toilet enclosure Aug. 21, 2007
6938579 Pet toilet Sep. 6, 2005
6857391 Animal toilet enclosure Feb. 22, 2005
6561131 Pet toilet and method of cleaning same May. 13, 2003
6463881 Automatic cat litter device and method Oct. 15, 2002
6457435 Pet toilet Oct. 1, 2002
6453844 Animal waste disposal system Sep. 24, 2002
6286457 Self-cleaning litter box Sep. 11, 2001
6286459 Litter container with rotary movement sieve Sep. 11, 2001
6227145 Household animal waste collection sheet May. 8, 2001
6176201 Ventilated cat litter box Jan. 23, 2001
6123048 Litter box filter system Sep. 26, 2000
RE36847 Automated self-cleaning litter box for cats Sep. 5, 2000
6079364 Cat litter-tray Jun. 27, 2000
5931119 Self cleaning pet litter box Aug. 3, 1999
5791288 House animal toilet with automatic self-cleaning Aug. 11, 1998
5755181 Electro-mechanical cat litter box May. 26, 1998
5749318 Self-cleaning litter box for animals May. 12, 1998
5738040 Ventilated cat litter box Apr. 14, 1998
5662066 Automatic cat litter device and method Sep. 2, 1997
5595754 Sheets for animals, sheet, bags, daily goods, ink and packaging materials Jan. 21, 1997
5564364 Pet litter box with automatic exhaust system Oct. 15, 1996
5511513 Pet litter box for collecting pet waste and elimination of odor Apr. 30, 1996
5494001 Canine lavatory facility Feb. 27, 1996
5483922 Apparatus for detecting when birds are in a birdhouse Jan. 16, 1996
5477812 Automated self-cleaning litter box for cats Dec. 26, 1995
5458090 Open sanitary device for dogs and cats Oct. 17, 1995
5279258 Automated portable pet toilet Jan. 18, 1994
5195455 Arrangement for keeping dairy animals clean Mar. 23, 1993
5184575 Sanitary facility for cats Feb. 9, 1993
5113801 Self-cleaning cat litter box May. 19, 1992
5107797 Litterbox for domestic animals Apr. 28, 1992
5048463 Control system for accessories used with small animals and pets Sep. 17, 1991
5003920 Animal litter cleaning apparatus Apr. 2, 1991
4748700 Portable animal waste device Jun. 7, 1988
4729342 Self-cleaning pet toilet Mar. 8, 1988
4660506 Pet toilet Apr. 28, 1987
4574735 Electronic litter system Mar. 11, 1986
4271544 Animal commode Jun. 9, 1981

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