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| Number | Title | Issue Date |
| 6920650 | Portable outdoor toilet with advertising indicia A portable outdoor toilet (10) with advertising indicia including a platform (12) having a generally circular configuration. A base (18) is positioned atop the platform (12). The base (18) has a generally circular configuration. A ... | 07/26/2005 |
| 6910230 | Submergible public sanitary device A public sanitary device, comprising one or more walk-in positions, each having a receptacle for human excrement and/or urine, which is connected to a waste pipe for connection to a sewage system. The sanitary device has the characteristic that it is provided with m... | 06/28/2005 |
| 6681413 | Portable restroom having a removable waste storage container and method therefor A portable restroom facility has a housing. The housing has a door opening for entering and exiting the housing. A removable waste storage container is stored within the housing for holding bodily waste. When the removable waste storage container is full ... | 01/27/2004 |
| 6668392 | Enclosure for portable toilet An enclosure for a portable toilet comprises at least two sections, one of which has a door opening and a door mounted thereon. The enclosure door is moveable between a closed position and an opened position. Each enclosure section includes a first end an... | 12/30/2003 |
| 6393627 | Waterless toilet cabana A toilet cabana having a removable container is disclosed. The cabana has a door for ingress and egress of the user and comprises a surrounding enclosure for privacy. The removable container receives waste from the user and comprises a top opening for rec... | 05/28/2002 |
| 6249919 | Passive deodorization device The present invention provides a passive deodorization device suitable for use in a portable toilet enclosure having a vent tube for venting odors from a holding tank. The deodorization device has a housing having an engagement surface for engaging a vent... | 06/26/2001 |
| 5251342 | Plastic portable toilet assembly A portable toilet assembly has a twin-sheet thermoformed toilet tank, base, and urinal. The toilet tank has an upper thermoplastic sheet which is fused to a lower thermoplastic sheet. The toilet tank sheets are each coextruded from two thermoplastic mater... | 10/12/1993 |
| 5044020 | Urinal for convenience and training of juvenile males A urinal provided for the convenience and training of juvenile boys in accordance with this invention requires no plumbing, and comprises a support means having front and rear surfaces. The rear surface is adapted for attachment to a vertical surface, and... | 09/03/1991 |
| 5040248 | Stand-up training potty for male toddlers An improved stand-up training potty for male toddlers is disclosed. A commode having a waste-receiving pot and an open seat is equipped with a detachably fastenable urinal accessory including a conduit for receiving urine and communicating it into the pot... | 08/20/1991 |
| 4670918 | Urinal for use with a portable toilet structure A urinal for use with a portable restroom unit is formed of plastic and includes a unitary urinal body, including rear, side, bottom and front walls. Front and rear shelves are integral with front and rear walls, respectively, and cooperate with front and... | 06/09/1987 |
| 4380836 | Collapsible toilet shelter A shelter specially adapted to function as a portable toilet is disclosed being collapsible for ease of shipment. Inefficiencies of shipping fully assembled portable toilet shelters are eliminated by a modular construction shelter having foldable walls, a... | 04/26/1983 |
| 4305164 | Portable toilet facility A knock-down portable toilet facility that has components made of thermoplastic material and which can be shipped in a disassembled state, and which can be erected at a site of intended use by interconnecting the components.... | 12/15/1981 |
| 4285077 | Apparatus for extracting proteins from urine Pharmaceutically useful trace elements contained in human urine are collected by disposing a filter body containing an adsorbent for the trace elements in the gravity flow line connecting the unflushed urinal of a portable toilet to its holding tank. The ... | 08/25/1981 |
| 4133062 | Lifting apparatus for toilet seat Apparatus is disclosed for lifting a toilet seat of a conventional toilet to convert a conventional toilet into a urinal.... | 01/09/1979 |
