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| Number | Title | Issue Date |
| 7103925 | Odor eliminating system for a toilet, toilet including the odor eliminating system, and toilet seat assembly An odor eliminating system utilizes an air pump to remove odors from a bowl of a toilet to a trap of the toilet. By moving the odors to the trap, the odors cannot escape back to the bowl and can only proceed out of the toilet to the sewer. The system can be adapted ... | 09/12/2006 |
| 6526598 | Self-contained venting toilet A venting toilet having a conventional ceramic bowl and flushing tank arrangement includes a water powered odor exhaust system which withdraws gases from the toilet bowl. A suction blower powered by a water motor through which the refill water to the toil... | 03/04/2003 |
| 6073273 | Venting apparatus for flush toilets A toilet venting apparatus includes an upper insert mountable between a toilet tank and a toilet bowl, and a lower insert mountable between the bowl and a floor sewer pipe. The upper insert has a first aperture therethrough cooperating between a flush val... | 06/13/2000 |
| 5692247 | Exhaust fan The disclosure herein describes an apparatus for recovering kinetic energy in a free flowing water stream and converting it into useful energy; it comprises a body (22) immerged in a stream, the body defining a duct having an intake side (26) and a discha... | 12/02/1997 |
| 5689837 | Water actuated toilet fan A toilet fan assembly inserted between the water shut-off valve and the toilet intake connector that ventilates the area surrounding the toilet and neutralizes odors through automatic activation of a water-driven fan after the toilet is flushed, the toile... | 11/25/1997 |
| 5257421 | Air fresh toilet Odors associated with the use of toilets are reduced by providing a water driven positive ventilation fan which pumps undesirable odor bearing gases from the toilet bowl and discharges them into the sewer through an auxiliary passage built into the toilet... | 11/02/1993 |
| 4222129 | Odor extracting apparatus and combination thereof with a toilet An odor-extracting apparatus for a toilet comprising an extractor element, an electric motor having a drive shaft with one end secured to the extractor element for transmitting drive thereto whereby the odor of a toilet may be extracted directly from the ... | 09/16/1980 |
| 4059857 | Free standing toilet stool ventilating device A free standing toilet stool ventilating device for placing adjacent a toilet and ventilating fumes therefrom. The device having a reversible pivotable air inlet arm disposed between the top of the toilet bowl and the bottom of the toilet seat. The device... | 11/29/1977 |
