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Class Information
Number: 4/482
Name: Baths, closets, sinks, and spittoons > Dry closets > Receptacle type > Ventilated
Description: Subject matter including means for removing gases having a disagreeable odor.

Patents under this class:

Patent Number Title Of Patent Date Issued
7490367 Solid and liquid waste drying bag Feb. 17, 2009
7020909 Portable venting commode Apr. 4, 2006
6779204 Portable venting commode Aug. 24, 2004
6233749 Portable toilet stool having deodorizing and air-curtaining efficiencies May. 22, 2001
6128790 Sanitary apparatus for assisting infirm persons, in particular for aiding in performing physiological functions Oct. 10, 2000
5588167 Apparatus and method for managing waste from patient care maintenance and treatment Dec. 31, 1996
5438721 Apparatus and method for managing waste from patient care, maintenance and treatment Aug. 8, 1995
5355537 Environmentally controlled portable toilet Oct. 18, 1994
5285534 Recycling device Feb. 15, 1994
5269030 Apparatus and method for managing waste from patient care, maintenance, and treatment Dec. 14, 1993
4942632 Method for waste collection and storage Jul. 24, 1990
4937891 Valve for waste collection and storage Jul. 3, 1990
4894872 Waterless sanitation system with ventilation Jan. 23, 1990
4870709 Apparatus for waste collection and storage Oct. 3, 1989

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