Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 4516280 | Water saving toilet system A toilet system comprising a bowl, a treating chamber, a trap connecting the bowl to the treating chamber, said trap containing a bypass to a waste pipe, a conductor connecting the treating chamber to the waste pipe, a macerator in the treating chamber fo... | 05/14/1985 |
| 4499614 | Organic waste bioconverter and method The bioconverter includes a collecting vessel having a plurality of stirring shafts rotatably mounted therein, each of which is driven by a separate electric motor. Adjacent shafts operate in opposite directions and stirring arms are oriented relative to ... | 02/19/1985 |
| 4433444 | Toilet with mechanical drainage comprising a draining chamber accessible and dismountable from inside the toilet bowl The invention relates to a toilet apparatus with forcible drainage. Said toilet is of the type comprising a bowl supplied with water and communicating through its bottom part with a lower chamber equipped with means for crushing the faeces and removing them to... | 02/28/1984 |
| 4433443 | Self-contained flow through sewage waste disposal system A self-contained sewage waste disposal system including a housing structure and a toilet bowl adapted to receive human waste and fluid for diluting the waste, transporting the waste and rinsing the bowl. A removable filter cassette is in the housing in co... | 02/28/1984 |
| 4333185 | Water saving toilet system A toilet system comprising a bowl, a valve for supplying flush water to the bowl, an attrition chamber to which the effluent in the bowl is transferred by a motor-driven discharge pump connected to the attrition chamber for inducting the effluent from the... | 06/08/1982 |
| 4324007 | Sanitation system particularly for marine craft A macerator/ejector pump within a waste material holding tank on a boat liquefies solid waste material in the tank and pumps the liquefied waste material through a discharge line adapted for connection to an on-shore waste collection system. The macerator... | 04/13/1982 |
| 4271540 | Sewage system with comminutor A sewage system for handling human waste provides for comminution of excrement and other material processed therein. The system is primarily of use in a system wherein the toilets empty into sewage pipe leading to a septic field and avoids the need for fr... | 06/09/1981 |
| 4240164 | Device in a toilet for biological degradation of excrement A toilet for biological degradation of excrement comprises a collecting vessel for excrement and for material suitable for the degradation thereof and a container for receiving a mixture of excrement and material discharged from the collecting vessel. The... | 12/23/1980 |
| 4216554 | Automatic freeze-proof drain system A system to protect piping and containers from damage by freezing of contained aqueous liquid includes a temperature-actuated SPDT switch connected at its movable contact to a rechargable battery. The fixed contacts of the switch are connected to two inpu... | 08/12/1980 |
| 4214324 | Human waste storage and disposal systems for railroads or the like A human waste storage and disposal system for railroads including a toilet bowl, a discharge outlet connected to the bowl, a flushing fluid inlet for flushing the bowl and a vertically disposed receiver coupled to the outlet for receiving the contents dis... | 07/29/1980 |
| 4170797 | Apparatus for treating waste matter The disclosure relates to a method and apparatus for treating waste matter in aerobic digestion apparatuses, such as closets. In the method a frother means is disposed in the circulation path of the liquid between the pump and the receptacle means, the fr... | 10/16/1979 |
| 4170798 | Apparatus for homogenizing and handling biowaste and other materials in isolation Apparatus to receive fecal material directly into a container and maintain it isolated, particularly as to its odors, while automatically homogenizing and withdrawing samples as may be desired and disposing of the remainder. The apparatus, either in fixed... | 10/16/1979 |
| 4161792 | Waste disposal system and method Disclosed is a portable waste disposal system that is designed primarily for use in marine craft, mobile homes, campers or the like. The system comprises a macerator unit for converting excrement to a liquified effluent, and an incinerator unit for incine... | 07/24/1979 |
| 4159550 | Toilet facility A toilet facility for use in boats, campers, mobile homes, recreational vehicles, land and water cruisers, residences, basement flush up, and the like, is disclosed. The toilet facility utilizes a minimum amount of flush water and includes a modified wate... | 07/03/1979 |
| 4156297 | Sewage treatment apparatus A sewage treatment apparatus for use in a toilet room comprises a casing with an inlet for reception of sewage and a discharge outlet. There are means within a chamber in the casing for the chemical treatment and agitation of the sewage to reduce the sewa... | 05/29/1979 |
| 4131959 | Non-polluting toilet system A toilet system capable of rendering the effluent innocuous and reducing the solid matter therein to microparticle size comprising a reversible, motor-driven pump and a two-position valve operable, on the one hand, for taking water into the system for flu... | 01/02/1979 |
| 4115876 | Self-contained recirculating toilet system This disclosure relates to a self-contained recirculating toilet system which includes a toilet bowl having a built-in flush pump and a waste-discharge macerator pump with the discharge of the macerator pump being connected to a holding tank unit for deli... | 09/26/1978 |
| 4114207 | Toilet A toilet system comprising a collecting tank, a pump extending downwardly into the collecting tank and having an inlet, a drain opening in the bottom surface of the collecting tank a selected distance beneath the pump inlet and having a size sufficient to... | 09/19/1978 |
| 4032995 | System and method for treating human waste A toilet system for use on vehicles, such as railroad trains and boats, wherein the toilet contents are chlorinated and ground into a slurry of a predetermined size prior to pumping out. The system includes a grinder which recirculates the toilet contents... | 07/05/1977 |
| 3958279 | Recirculating sewerage system A recirculating sewage system comprising a toilet, a recirculating tank, means for draining the recirculating tank, means for directing the effluent flushed from the toilet into the recirculating tank, pump means communicating with the recirculating tank,... | 05/25/1976 |
| 3934275 | Oil recovery system A two phase recirculating sanitary system is described in which the flushing fluid phase is temporarily stored in the toilet bowl while the waste phase in the storage tank is being drained. A controllable valve is inserted between the toilet bowl and the ... | 01/27/1976 |
