Bizarre Patents
Pneumatic Shoe Lacing Apparatus
This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.
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| Number | Title | Issue Date |
| 6928666 | Toilet with self-contained ventilation system A ventilation system is self contained on a toilet. The ventilation system has an enlarged vent pipe located in the water tank that communicates with the upper rim ducts of the toilet bowl. The vent pipe extends out of the water tank and reenters the toilet via the ... | 08/16/2005 |
| 6092549 | Device in a waste disposal system in a building The drain system in a building is divided in at least two parts, namely a first part (2) arranged to receive drain water contaminated to a relatively high degree from one or a plurality of first units (3), and a second part (10) arranged to receive drain ... | 07/25/2000 |
| 5940894 | Sanitizing protector for drainage pipes A sanitizing protector for drainage pipes typically found below a sink, tub and other plumbing fixtures. The protector includes a housing with two connecting tubular ends. A tubular member is coaxially disposed within the housing and mounted at one end to... | 08/24/1999 |
| 5704074 | Toilet gas suction vent Apparatus for venting odors from the toilet bowl by using a fan installed on one side of the toilet bowl. The odors are discharged under the toilet in the drain pipe through an appropriate extension ring designed to allow transit of discharged air. Easy i... | 01/06/1998 |
| 5645099 | Sewer relief valve A sewer relief valve (40) made out of a durable plastic material comprises: a raised head or float housing (52) that serves as a gripping means during it's removal and installation; said housing (52) has male threads (53) which circumference the lower ver... | 07/08/1997 |
| 5299326 | Vehicle toilet vent apparatus The disclosed invention describes a vehicle waste tank ventilation exhaust fan, having the unique ability to provided positive exhaust on a continuous basis while diluting the contaminated air and odor being emitted by the waste tank with fresh air at a r... | 04/05/1994 |
| 5209257 | Sewer relief valve A vent for relieving pressure in a sewage collection system for buildings characterized by a buoyant float-closure which will easily open in response to fluid pressure to permit escape of gas or liquid from the system upon the build-up in the system of mi... | 05/11/1993 |
| 4962548 | Valve assembly A plumbing arrangement is described for a toilet pan connected to a waste disposal pipe. The waste pipe has an extension extending a short height above the flood level of the water trap. The upper end of the extension is closed off by a two way differenti... | 10/16/1990 |
| 4850059 | Apparatus for preventing backing up of sewage in a building A waste sewage system for a building constructed to prevent sewage from backing up within the building. A valve is connected to an end of a clean-out conduit line of a waste sewage system for normally closing the same and openable in response to sewage ef... | 07/25/1989 |
| 4524262 | Electrically heated sewer vent line defroster A plastic sewer vent line extending through the roof of a building is provided with a defroster for preventing blockage of the vent line by freezing and the consequent back-up sewage gas into the building. The defroster is located above the roof and inclu... | 06/18/1985 |
| 4129906 | Normally closed sewage venting system A normally closed sewage venting system comprising at least one or more plumbing fixtures having associated traps and drain lines that empty into a main drain that is connected to a sewer main. The main drain is normally directly vented to atmosphere by a... | 12/19/1978 |
