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Class Information
Number: 4/449
Name: Baths, closets, sinks, and spittoons > Dry closets
Description: Subject matter having means for receiving human waste material wherein a flush liquid is not used to assist the removal of the material from the means.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7437854 |
Stabilizer system for portable structure |
Oct. 21, 2008 |
| 7373757 |
Skid base for portable building |
May. 20, 2008 |
| 7360259 |
Toilet system |
Apr. 22, 2008 |
| 7252121 |
Urine disposing apparatus and method |
Aug. 7, 2007 |
| 7159346 |
Portable toilet advertisement display system |
Jan. 9, 2007 |
| 7117646 |
Privacy enclosure |
Oct. 10, 2006 |
| 7111332 |
Waterless urinals which can be flushed |
Sep. 26, 2006 |
| 7005077 |
Shipboard human waste treatment for removing solids |
Feb. 28, 2006 |
| 6920650 |
Portable outdoor toilet with advertising indicia |
Jul. 26, 2005 |
| 6910230 |
Submergible public sanitary device |
Jun. 28, 2005 |
| 6766541 |
Joint for a portable restroom |
Jul. 27, 2004 |
| 6754914 |
Disposable toilet bowl for care |
Jun. 29, 2004 |
| 6735790 |
Vent stack screen for portable toilet holding tanks |
May. 18, 2004 |
| 6681413 |
Portable restroom having a removable waste storage container and method therefor |
Jan. 27, 2004 |
| 6668392 |
Enclosure for portable toilet |
Dec. 30, 2003 |
| 6651267 |
Toilet device, especially for bedridden persons |
Nov. 25, 2003 |
| 6601243 |
Toilet installation implementing composting with worms |
Aug. 5, 2003 |
| 6571402 |
Hitch mounted portable toilet seat |
Jun. 3, 2003 |
| 6558472 |
Cleaning device for the anus |
May. 6, 2003 |
| 6427256 |
Knockdown portable toilet |
Aug. 6, 2002 |
| 6393627 |
Waterless toilet cabana |
May. 28, 2002 |
| 6378142 |
Foldable privacy screen and portable toilet combination |
Apr. 30, 2002 |
| 6349426 |
Portable outdoor toilet with advertising indicia |
Feb. 26, 2002 |
| 6327719 |
Portable restroom having molded base assembly with internal tank |
Dec. 11, 2001 |
| 6260216 |
Composting toilet |
Jul. 17, 2001 |
| 6249919 |
Passive deodorization device |
Jun. 26, 2001 |
| 6233753 |
Hinged assembly for toilet seat construction |
May. 22, 2001 |
| 6212701 |
Completely automatic waterless closet |
Apr. 10, 2001 |
| 6138291 |
Toilet waste agitating mechanism |
Oct. 31, 2000 |
| 6125480 |
Vehicle mounted toilet seat |
Oct. 3, 2000 |
| 6115971 |
Portable restroom |
Sep. 12, 2000 |
| 6112338 |
Mixing drum and composting toilet |
Sep. 5, 2000 |
| 6101641 |
Waste removal method for dry toilets |
Aug. 15, 2000 |
| 6081940 |
Non-flushing toilet |
Jul. 4, 2000 |
| 6081939 |
Portable toilet |
Jul. 4, 2000 |
| 6081942 |
Portable, foldable toilet apparatus for attachment to tree trunks |
Jul. 4, 2000 |
| 6081941 |
Portable, self-contained toilet seat |
Jul. 4, 2000 |
| 6038711 |
Potty training device |
Mar. 21, 2000 |
| 6009570 |
Convertible bed/chair with waste disposal |
Jan. 4, 2000 |
| 5996136 |
Toilet |
Dec. 7, 1999 |
| 5991931 |
Waste system for toilets |
Nov. 30, 1999 |
| 5983415 |
Toilet riser |
Nov. 16, 1999 |
| 5960487 |
Dry toilet |
Oct. 5, 1999 |
| 5953763 |
Safety urinal |
Sep. 21, 1999 |
| 5920927 |
Portable shower and toilet assembly |
Jul. 13, 1999 |
| 5901385 |
Dry type toilet system |
May. 11, 1999 |
| 5862540 |
Portable kitchen, toilet and shower unit |
Jan. 26, 1999 |
| 5842237 |
Convertible bed/chair with waste disposal |
Dec. 1, 1998 |
| 5830358 |
Method and apparatus for decomposition of organic waste |
Nov. 3, 1998 |
| 5787518 |
Convertible toilet seat |
Aug. 4, 1998 |
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