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Patent No. 5996568

Process For Propelling Foodstuffs or the Like into a Crowd

A method of launching foodstuffs into a crowd for promotional and entertainment purposes.

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Class 4/380 - By pressure or suction control of valve


Subclass of Class 4 - Baths, closets, sinks, and spittoons
Definition: Subject matter wherein the movable element is held open
No. of patents: 16
Last issue date: 06/28/2005


NumberTitleIssue Date
6910232Toilet tank valve
A toilet tank flushing system including a ballcock valve for maintaining a storage level of water in the tank, a tank valve to release stored water on demand, and a linkage system which requires a reduced physical effort to initiate flushing. A hollow, open-ended cl...
06/28/2005
6834399Pressure vessel
A pressure vessel has a tank portion for preserving water and a drain mechanism mounted on the tank portion. An outlet is defined at a bottom of the tank portion for draining water. A through hole is defined at a top of the tank portion and corresponding to the outl...
12/28/2004
6715162Toilet assembly
A toilet includes a toilet bowl assembly having a toilet bowl and a trapway extending from the bottom of the toilet bowl to a sewage line. The toilet bowl has a rim channel provided along an upper perimeter portion thereof. In this toilet, the flush water flows thro...
04/06/2004
6647559Flushing unit for a toilet
The present invention relates to a flushing unit for a toilet which allows water in a flushing tank to be discharged rapidly by means of the change of water pressure and working of a piston, so that only a small quantity of water is required to wash out t...
11/18/2003
6467497Buffer box for use in a vacuum drainage system
A buffer box for use in a vacuum drainage system. The buffer box defines a reservoir of known effective size which provides substantially consistently sized slugs of liquid which may be efficiently pulled up a vertical lift. The buffer box includes an out...
10/22/2002
6457187Pressurized water closet flushing system
A pressurized flushing system for discharging liquid into a toilet bowl. The mechanism comprises a sealed container for storing a pre-determined volume of the liquid under pressure having an inlet for connection to a liquid supply source under pressure an...
10/01/2002
5170514Automatic fluid-flow control system
A system for controlling liquid flow in bathrooms and the like in response to the presence of the user, which is configuration-adjustable to permit use in preselected sanitary applications. Light emitting means cooperate with a light sensor to detect ligh...
12/15/1992
4918763Water closet with supplemented rim wash water flow
A water closet is disclosed having a bowl with rim wash outlets and a tank connected thereto containing flushing water at a level where most of the water will not flow by gravity through the bowl rim outlets. A tank water withdrawing device is mounted in ...
04/24/1990
4865631Vacuum sewage system
A waste tank for a vacuum sewage system comprises a top wall having a major portion and also having a generally cylindrical dome structure which projects upwardly from the major portion of the top wall. The horizontal sectional area of the dome is substan...
09/12/1989
4707868Toilet flushing apparatus
A diaphragm valve for a toilet flushing mechanism, and a hydraulic flushing assembly using the valve, control water mains pressure for the pressure flushing of toilets with small quantities of water. Water mains pressure is used to retain a flexible diaph...
11/24/1987
4391288Method and a device for effecting rinsing of an inverted siphon, which forms part of a sewer
In an inverted siphon (4) in a sewer (1, 1a) where the approaching flow of sewage is insufficient for producing self-rinsing, a fluid reservoir (5) is arranged upstream of the inverted siphon which has sufficient volume for effecting rinsing, and the flui...
07/05/1983
4376315Vacuum flush valve
A flexible valve element in the form of a flexible diaphragm movable between open and closed positions for opening or closing the drain. By operation of a control pressure chamber formed over the outer or exterior side of the diaphragm and which operates ...
03/15/1983
4285359Interface unit for vacuum sewers
An interface unit connects an accumulation enclosure for a gravity feed conduit to a vacuum sewage conduit. The unit has an enclosure extension extending upwardly and having a top end near ground level. A vacuum conduit extension extends downwardly within...
08/25/1981
4254934Hydraulic syphon with pneumatic reflux
Hydraulic syphon with automatic reflux, working in tanks disposed at whichever height from the discharge point, particularly for the discharge of the tanks for the flushing of water closets. Two cylindrical tubular elements are disposed, in a position reciproc...
03/10/1981
4232409Pneumatic assisted flushing apparatus for toilets
Presented is an apparatus for use in conjunction with a toilet of the flush-type which utilizes a charge of compressed air in conjunction with a low volume of water to discharge waste products from a toilet fixture....
11/11/1980
3973751Siphon with pressure priming and pneumatic reflux
A liquid siphon including a tank and a pair of concentric shells within the tank. One end of the external-most shell has an enlarged bell part formed thereon. A deformable gasket is retained against an interior portion of the bell part to close the same. ...
08/10/1976
 
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