...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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| Number | Title | Issue Date |
| 6782564 | Water-saving toilet A water-saving toilet includes a two-stage flush button, a water-storing area and a drain way formed in the interior of a toilet bowl and a valve control device positioned in the bowl and consisting of a valve, a valve cap, a drive rod, and an operating rod. The val... | 08/31/2004 |
| 6725472 | Combined faucet and drain assembly A combined faucet and drain system can be installed primarily from above the basin. The faucet includes a quick-connect fastening assembly with a threaded sleeve bolt that also doubles as a life rod guide. A spring-biased toggle fastener threads onto the sleeve bolt... | 04/27/2004 |
| 6691411 | Method of installing a wastewater drain assembly for a bathtub A method of installing a wastewater drain assembly for a bathtub by inserting an L-shaped drain pipe into a drain hole of a bathtub such that an annular flange on the drain pipe rests on a bottom wall of the bathtub. Slideably mounting a lock washer over ... | 02/17/2004 |
| 6484330 | Combined faucet and drain assembly A combined faucet and drain system can be installed primarily from above the basin. The faucet includes a quick-connect fastening assembly with a threaded sleeve bolt that also doubles as a life rod guide. A spring-biased toggle fastener threads onto the ... | 11/26/2002 |
| 6367102 | Drain assembly with installation aid stopper guide A drain assembly mountable in a drain opening of a wash basin includes a movable stopper guide that can be used during installation to align the drain flange to the drain body from above the sink. The stopper guide supports at an upper end a stopper for c... | 04/09/2002 |
| 6185760 | Liquid flow control tap with inexhaustible energy-operated valve A tap used for controlling the flow of liquid, such as water, oil, or gas, is disclosed. The liquid control tap of this invention has a valve capable of being effectively operated using inexhaustible energy, such as gravity, hydraulic pressure, buoyancy, ... | 02/13/2001 |
| 6154898 | Wastewater drain control for fluid compartments A wastewater drain control for fluid compartments has a waste water discharge port in the bottom thereof and in communication with a vertical drain pipe. A valve seat element is in the pipe below the port and has an inclined annular valve seat surface and... | 12/05/2000 |
| 6061847 | Linkage assembly for a pop-up drain stopper An improved linkage assembly for a pop-up drain stopper assembly includes an elongated connector bar having a plurality of apertures adjacent both its upper and lower ends. The assembly also includes a stem having a J-shaped portion of its lower end that ... | 05/16/2000 |
| 5946747 | Passageway valve for toilet with two flush modalities A two flush modality toilet composed of a bowl, a tank connected with the bowl wherein the tank is connected to a water supply, a conventional flush modality for flushing solid waste from the bowl, and a urinal flush modality for flushing liquid only wast... | 09/07/1999 |
| 5873136 | Pop-up bowl valve for toilet with two flush modalities A two flush modality toilet composed of a bowl, a tank connected with the bowl wherein the tank is connected to a water supply, a conventional flush modality for flushing solid waste from the bowl, and a urinal flush modality for flushing liquid only wast... | 02/23/1999 |
| 5819337 | Link joint The object of reducing the assembly costs in the course of producing an adjusted, angularly movable coupling between a pull rod and a plunger rod by means of a constructively further improved link joint, as well as the production costs for the connecting ... | 10/13/1998 |
| 5333327 | Apparatus for opening and closing a drain Disclosed herein is a mechanism for remotely opening and closing a drain of a basin by means of a flexible rod moving through a non-linear tube. The rod connects a drive member, pushed or pulled by a user, with a member linked to a plug which opens and cl... | 08/02/1994 |
| 5123123 | Bathtub overflow control device A control mechanism for use with a bathtub having a drain opening and an overflow opening, with the drain opening having a stopper moveable between open and closed positions. The control mechanism includes a pipe for coupling the bathtub drain opening to ... | 06/23/1992 |
| 4920582 | Universal waste and overflow drain assembly A universal bath waste and overflow drain assembly (10) comprises an overflow tube (12), drain pipe (14), t-connector (16), and an adapter (18) which can be interchanged and connected as desired in different drain configurations according to the requireme... | 05/01/1990 |
| 4085469 | Waste control with replaceable cable A drain plug in the outlet of a plumbing fixture such as a lavatory basin or bath is connected with the waste control handle by means of a flexible cable loosely contained within a flexible tube extending through the overflow pipe and the drain pipe, to o... | 04/25/1978 |