Quotables
"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7591027 | Flushette partial and full toilet flush devices Toilet flapper valves with multiple volume flush capability which can be quickly and easily installed to replace existing flapper valves in old or new toilets to give such toilets the capability of providing selectable amounts of flushing water. ... | 09/22/2009 |
| 7526819 | Dual flush system for toilet The conservation of water is an issue that preoccupies an increasing number of people. Among all domestic appliances, toilet is an appliance that consumes an appreciable quantity of water. The present invention provides a dual flush system that allows to select the ... | 05/05/2009 |
| 7047574 | System and method for automatically varying a volume of a liquid held by a toilet receptacle A toilet system comprises a liquid receptacle and a control element. The control element configured to automatically control an amount of liquid input to the liquid receptacle for each of a plurality of flushes of the liquid receptacle such that an amount of the liq... | 05/23/2006 |
| 6637042 | Toilet valve assembly A dual flush-volume outflow valve assembly for a toilet tank is provided. The outflow valve assembly comprises a base having an opening configured to pass water out of the toilet tank, a lower outflow tube section extending upwardly from the base, and an ... | 10/28/2003 |
| 6112763 | Valves There is described a valve arrangement which in one form is an inlet valve (60) or in another form is a dual flush valve (2). The valves may be used in a variety of situations but find particular application in a cistern for providing water to flush a toi... | 09/05/2000 |
| 5794278 | Tank flushing apparatus A tank flushing apparatus comprises the instant invention. The tank is a typical water tank used to flush toilets. The tank includes an opening at the bottom thereof which opening supplies water to the toilet bowl. The operation of the flushing of the tan... | 08/18/1998 |
| 5754986 | Water-saving device of water tank for flush toilet A water-saving flush mechanism installed in the water tank of a flush toilet. In addition to providing an inlet control structure with an inlet pipe and a water level float ball, an outlet pipe is provided on an outlet seat. The outlet pipe is in communic... | 05/26/1998 |
| 4328596 | Water closet flushing valve My invention relates to a fail-safe automatic valve mechanism for water closets. This system may be operated to drain the tank either partially or completely with particular emphasis on operation of either partial or complete flushing. Previous systems ha... | 05/11/1982 |
| 4185338 | Toilet flushing apparatus A double valve construction selectively provides a full flush or a partial flush from the tank of a toilet. The apparatus, which may be utilized to modify existing toilet water closets, includes a hollow cylinder with a first valve on its lower end engage... | 01/29/1980 |
| 4175295 | Water saving toilet Disclosed herein is a water saving toilet characterized in that a single handle actuates either of two water sealing valves horizontally offset one from the other and when actuated makes it possible to vary the amount of water introduced into the bowl so ... | 11/27/1979 |
| 4115882 | Flush valve for toilet tanks Disclosed is a flush valve for toilet tanks comprising in a general form a hollow tubular member having a valve head on its lower end and adapted at its upper end to seat with a second valve head. The lower end rests in a valve seat located in or near the... | 09/26/1978 |
| 3981029 | Dual level toilet flusher The dual level toilet flusher is a toilet tank flush mechanism which permits the user to either flush the full tank of water or to flush a lesser preset volume of water, depending on the direction of rotation of the flush handle. The flush mechanism incor... | 09/21/1976 |
| 3964109 | Flush valve assembly A tank having an outlet conduit is provided with a valve assembly for controlling the flow of a fluid through the outlet conduit. The valve assembly includes a first valve element cooperating with a first valve seat formed by the conduit to provide a firs... | 06/22/1976 |
| 3958281 | Toilet tank flush valve A toilet tank flush valve having a primary valve element for sealing the tank outlet opening and a secondary valve mounted therein. The secondary valve has a valve seat mounted on the primary valve and a movable valve element which couples the primary val... | 05/25/1976 |
| 3939507 | Water closet water volume control A water closet is provided with a device for limiting the amount of water discharged from its water tank during flushing. More particularly, the volume of water discharged from the tank is limited by low water level reached during flushing. The water limi... | 02/24/1976 |
