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...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!

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Class 4/425 - Siphonic jet at trap


Subclass of Class 4 - Baths, closets, sinks, and spittoons
Definition: Device wherein a fluid jet means assists an evacuation of
No. of applications: 13
Last issue date: 04/07/2011


Application No.Application TitleIssue Date
20110078850METHOD FOR FLUSHING A TOILET BOWL HAVING A SIPHON, AND WC
The WC has a toilet bowl and a flushing arrangement by means of which, in a flushing operation, the toilet bowl is supplied with water as a flushing stream in order to flush out the contents of the bowl and to clean the bowl surface. The flushing arrangement has means w...
04/07/2011
20100242163FLUSHING ARRANGEMENT FOR A WC, AND METHOD OF OPERATING SUCH A FLUSHING ARRANGEMENT
The flushing arrangement has a toilet bowl (2) which has an inlet (3) and an outlet (18) and between these, in a U-bend (4), means (12) for generating a pulse. With these means (12), water which is present in the U-bend (4
09/30/2010
20090241250High Performance Toilet Capable of Operation at Reduced Flush Volumes
A siphonic, gravity-powered toilet is provided that includes a toilet bowl assembly having a toilet bowl. The toilet bowl has a rim channel provided along an upper periphery thereof and a direct-fed jet channel that allows fluid, such as water, to flow from the inlet of...
10/01/2009
20080271234SIPHON JET TOILET
A siphon jet toilet for supplying flush water in a storage tank by using the head pressure thereof is disclosed. The siphon jet toilet has a toilet main unit furnished with a bowl portion, a rim water spout, a drain trap passage for expelling waste using siphon action, ...
11/06/2008
20070113331Method of operating a multi-phase, high energy flushing system for optimal waste removal and bowl cleaning within a prescribed water consumption range
The present invention provides a method of operating a flushing system for efficient waste removal from and cleaning of a toilet bowl. In the disclosed method, a flushing system is provided that includes a pumping means having each of a rim diverter means and a jet dive...
05/24/2007
20070061955FLUSH TOILET
Providing a flush toilet wherein the amount of water supplied to the jet hole and the amount of water supplied to the rim section are independently controlled. The present invention is a flush toilet (1) for supplying flushwater from a flushwater tank, the flush ...
03/22/2007
20060272081VACUUM BREAKER, AND WATER-FEED VALVE ASSEMBLY AND WATER CLOSET PROVIDED THEREWITH
Disclosed is a vacuum breaker having further enhanced reliability. The vacuum breaker comprises: a main body having a water inlet (26, 41), a water outlet (34, 48), a water passage (30, 44) for fluidically connecting the water inlet and the water ou...
12/07/2006
20060042000Efficient water closet
A water conserving toilet system is provided that increases water pressure applied to evacuating solids in the toilet bowl by a multiplicity of approaches including an optimally shaped and located water storage tank, an optimally shaped water feeding channel. In this wa...
03/02/2006
20060010592Toilet bowl device
An object of the present invention is to enable provision of a toilet device in which a user can select a necessary toilet wash mode whenever necessary. According to the present invention, in a toilet device which comprises: water supply means for supplying water to a r...
01/19/2006
20050188454Flush Valve Toilet
A flush toilet that includes an air reservoir having an interior diaphragm installed inside a tank in the toilet. The air reservoir has a hydraulic pressure maintained by a water supply coming from a conduit. At least two propulsion jets are located in a bottom portion ...
09/01/2005
20050188453Silencer and water supply device
A muffling apparatus capable of attaining the prevention of the occurrence of a noise reliably while making concrete the reduction of the manufacturing cost and the easiness of the assembling of the same apparatus, and a feed water apparatus having such a muffling effec...
09/01/2005
20050125884Toilet and flushing system
The present invention relates to an improved toilet and flushing system, wherein the system includes a toilet bowl; a pressured water supply; at least one flow regulator and at least one water outlet; characterized in that the system includes at least one control device...
06/16/2005
20050015871Open/close valve, open/close valve for flush toilet, toilet washing water supply device, tankless western-style flush toilet, water supply method to western-style flush toilet, flow passage switching device and flush toilet
The present invention provides an open/close valve which contributes the stabilization of the operation responsibility. A housing has a water-in port and a water-out port. Furthermore, a piston which is slidably mounted in the housing in an axial direction by means of a...
01/27/2005
 
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