Did You Know...
...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 7849526 | Odorless toilet A toilet is provided which transports malodorous air from the bowl to the sewer line. The tank of the toilet is equipped with a fan which draws air from the bowl through the flush holes, located in the rim of the bowl, into a sealed fan box. An intake tube is used t... | 12/14/2010 |
| 7275271 | Toilet evacuation system A ventilation system for a toilet which functions by drawing air from around the bowl through the original flush holes into the existing overflow-pipe and then into a fan compartment. The fan is activated by manipulating the flush handle upward. Malodorous air is th... | 10/02/2007 |
| 7020909 | Portable venting commode A portable self-contained vented commode is described. The stand alone apparatus includes a frame, a pivoting toilet seat, and an aligned removable collection container capable of being dumped post receipt of human waste, which container is disposed beneath the toil... | 04/04/2006 |
| 6351855 | Bathroom odor withdrawal system A commode deodorizing filtering device for use in a commode water tank having an overflow tube operably disposed therein and communicating with a toilet bowl, and having refill device with refill tube and float operably disposed in the water tank, the dev... | 03/05/2002 |
| 6158058 | Ventilated toilet A recreational vehicle or boat toilet includes a bowl with a water ingress line to the bowl, and a flush mechanism for emptying the bowl after water from the ingress line has entered the bowl. The recreational vehicle or boat toilet also includes a ventil... | 12/12/2000 |
| 5560048 | Water closet exhaust collector An exhaust collector comprising an underside intake secured within the interior of a toilet by a detachable and compressible mounting of the connecting conduit to the sidewall through which it extends to draw discharged odoriferous gases away from the per... | 10/01/1996 |
| 5539938 | Water closet A toilet flushing apparatus. The toilet flushing apparatus includes a vacuum fan for generating a partial vacuum for transporting solid and liquid waste from a toilet bowl to a sewer drain, a sensor for detecting a level of flushing water in the toilet bo... | 07/30/1996 |
| 5499405 | Urinal A urinal for capturing and directing urine into a drain line. The inventive device includes an adjustable mounting structure securable to a wall surface within a bathroom. A urinal is supported by the adjustable mounting structure and can be positioned at... | 03/19/1996 |
| 5351344 | Fluid evacuation system This invention is a fluid evacuation system used in conjunction with a standard water closet. A wet/dry evacuation motor is used to remove foul air not only from the immediate area of the water closet but from the entire room. Should a liquid overflow occ... | 10/04/1994 |
| 5341521 | Environmentally controlled standard toilet An environmentally controlled standard toilet designed to neutralize and confine contaminating agents such as bacteria, odors, vapors and other airborne particles inside the bowl by generating and maintaining a cyclone-type air circulation inside the exis... | 08/30/1994 |
| 5333321 | Environmentally controlled commercial/public toilet An environmentally controlled commercial/public toilet designed to neutralize and confine contaminating agents such as bacteria, odors, vapors and other airborne particles inside the bowl by generating and maintaining a cyclone-type air circulation inside... | 08/02/1994 |
| 5321856 | Flush toilet exhaust system An exhaust fixture adapted to be connected to a toilet, the toilet having a bowl, a water tank having a normal amount of water therein and an upper, peripheral edge, an overflow pipe located within the tank, and a lid adapted to fit about the peripheral e... | 06/21/1994 |
| 5255395 | Ventilating system for toilet bowl The invention consists of a ventilating system and particularly a ventilating kit to be installed on a conventional toilet bowl at the rear of the toilet seat above the apertures used to anchor the toilet seat to the toilet bowl. The kit includes a parape... | 10/26/1993 |
| 5231705 | Method and apparatus for eliminating toilet odors A system for removing unpleasant gaseous odors in a toilet having a bowl, a tank, and an overflow tube is disclosed. The system includes an air intake port located in the toilet bowl. A battery powered suction pump assembly contained in the tank is connec... | 08/03/1993 |
| 5210884 | Environmentally controlled toilet An environmentally controlled toilet designed to neutralize and confine contaminating agents such as bacteria, odors, vapors and other airborne particles inside the bowl by generating and maintaining a cyclone-type air circulation inside the bowl. A bowl ... | 05/18/1993 |
| 5161262 | Toilet odor removal apparatus An apparatus for removing odors from toilets represents a new level of sophistication, adaptability, convenience, aesthetics and performance. The apparatus includes an adjustable housing having first and second sections, both with neck portions, one of wh... | 11/10/1992 |
| 5136729 | Odor remover device An odor removing device for toilets includes an odor collector secured to the conventional hinge posts of a toliet bowl. The odor collector has a single inlet opening and is connected in communicating relation to a downwardly convex auxiliary venturi hous... | 08/11/1992 |
| 5029346 | Toilet bowl vent system A system for venting odors from a toilet having a bowl with a plurality of openings disposed about its rim and a tank to store water with a bowl fill tube interconnected with the openings. A vent is positioned above the level of maximum water storage in t... | 07/09/1991 |
| 4800596 | Ventilated toilet A toilet has a toilet bowl and a flushing tank which accommodates a supply of flushing liquid for the bowl. The bowl, which discharges into a waste line, is connected to the flushing tank by a flushing pipe. A second pipe for evacuating odors from the bow... | 01/31/1989 |
| 4200940 | Toilet seat volatile gas incinerator The invention describes a system for removing the odors associated with the bodily discharge of odorous volatile gases associated with the use by the human body of the toilet stool. A hollow toilet seat having radial holes associated with the centermost p... | 05/06/1980 |
| 4175293 | Toilet bowl odor removing apparatus and hinge Apparatus for removing odors from the bowls of conventional toilets inclues a hood adapted to be mounted to a toilet body, to overhang the toilet bowl and having a central plugged opening at the rear thereof; tubular spindles adapted to be coupled into op... | 11/27/1979 |
| 4168553 | Toilet odor eliminating device A plate is dimensioned to fit atop the rear flange of a toilet bowl and has a pair of bores formed therethrough in correspondence with those of the bowl so that it is affixable to the bowl beneath the toilet seat. A plurality of rectangular tubular channe... | 09/25/1979 |
| 4117559 | Bathroom deodorizer and odorizer devices and methods of making and using the same A bathroom deodorizer and odorizer for use with a conventional toilet bowl comprising housing means, said housing means provided with a motor chamber therein, said motor chamber opening externally of said housing, said housing provided with first and seco... | 10/03/1978 |
| 4103370 | Odorless water closet A water closet has an intake manifold interposed between the seat and the top periphery of the bowl. A suction blower is arranged to draw gases from the manifold, and deliver them to the sewer connection beyond the water trap. The components, including th... | 08/01/1978 |
| 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 |
