| Patent Number |
Title Of Patent |
Date Issued |
| D331960 |
Urinal |
December 22, 1992 |
|
| 5228984 |
System for composting feces and treating urine |
July 20, 1993 |
| A system and method is disclosed for composting feces and treating. Human feces is collected within a composting retainer and exposed to sufficient air and water to allow the feces to compost, thereby forming compost product. Urine is collected within an urine treatment retainer which is |
| 5207869 |
Evaporative reduction of waste liquid |
May 4, 1993 |
| A liquid waste reduction system uses an evaporator having two packed columns. A reservoir of the evaporator has three level sensor which monitor the fluid level in the reservoir. An input pump delivers waste liquid to the reservoir. When the fluid level has exceeded a low level, a co |
| 5192428 |
Portable system for treating human waste |
March 9, 1993 |
| A new portable system is disclosed for composting feces and for treating urine includes a composting retainer which includes a composting means for exposing the feces to sufficient air and water to allow the feces to compost, thereby forming a compost product. A urine-treatment retainer |
| 5129758 |
System and method for distribution of greywater to a soil bed |
July 14, 1992 |
| A system and method is disclosed for distributing greywater to a soil bed without significant erosion of the soil bed. An interior tube defining at least one aperture is disposed within an exterior tube. The interior tube and the exterior tube are immersed in a soil bed for aerobic decom |
| 5005227 |
Composting toilet with respray of liquid wastes |
April 9, 1991 |
| A composting toilet disposes of quantities of liquid wastes by providing ingress and egress means for air into and from a housing for the wastes. Within the housing is means for conducting the air into the path of liquid waste being sprayed, to entrain or evaporate such waste into the ai |
