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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Household
Class Information
Number: 4/459
Name: Baths, closets, sinks, and spittoons > Dry closets > Chemical
Description: Subject matter wherein a chemical is used for disinfection.










Patents under this class:

Patent Number Title Of Patent Date Issued
6258215 System and a rotary vacuum distiller for water recovery from aqueous solutions, preferably from urine aboard spacecraft Jul. 10, 2001
6081939 Portable toilet Jul. 4, 2000
5682622 Portable stand-alone restroom facility with handicap access Nov. 4, 1997
5566401 Cleaning mechanism of a stool Oct. 22, 1996
5088134 Portable non-flushing toilet Feb. 18, 1992
4979242 Collapsible room shelter Dec. 25, 1990
4974265 Collapsible privacy shelter Dec. 4, 1990
4712255 Portable toilet with valve actuating handle that automatically locks the valve in closed position during emptying of the holding tank Dec. 15, 1987
4641383 Portable toilet holding tank spout Feb. 10, 1987
4581780 Precast concrete toilet with vent Apr. 15, 1986
4493118 Collapsible toilet shelter Jan. 15, 1985
4305164 Portable toilet facility Dec. 15, 1981
4285077 Apparatus for extracting proteins from urine Aug. 25, 1981
4268925 Sewage treatment system May. 26, 1981
4114203 Water closet tank drain valve Sep. 19, 1978











 
 
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