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Class Information
Number: 4/471
Name: Baths, closets, sinks, and spittoons > Dry closets > Valved bowl
Description: Subject matter wherein there is a movable element stopping means which, when open, allows the bowel material to pass through.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6802085 |
Method and apparatus for disposing of waste |
Oct. 12, 2004 |
| 6101641 |
Waste removal method for dry toilets |
Aug. 15, 2000 |
| 6101638 |
Toilet utilizing air pressure, grinding and heat to produce a dry powder waste |
Aug. 15, 2000 |
| 6003162 |
Waste disposal apparatus |
Dec. 21, 1999 |
| 5901385 |
Dry type toilet system |
May. 11, 1999 |
| 5293651 |
Toilet seat |
Mar. 15, 1994 |
| 5193231 |
Lavatory having a dispenser for excrement bags and control and excrement bag for this purpose |
Mar. 16, 1993 |
| 4785483 |
Integrated passenger seat and toilet apparatus and method |
Nov. 22, 1988 |
| 4713848 |
Hygienic wheelchair seat for extended use |
Dec. 22, 1987 |
| 4439875 |
Toilet |
Apr. 3, 1984 |
| 4059124 |
Valved stopper for a urine bottle |
Nov. 22, 1977 |
| 3943578 |
Method and apparatus for deodorizing the dipping up system of a lavatory |
Mar. 16, 1976 |
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