...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 7363943 | Multi-stage pedal control water supply A multi-stage pedal control water supply installation includes a tap provided with water inlet and water outlet, a control valve with orifice, a linking unit, one or a plurality of pedal, and a flow control unit; the flow control unit being disposed by one side of t... | 04/29/2008 |
| 7302713 | Hands-free toilet and urinal flushing device A toilet and urinal flushing device comprising a reciprocating pedal attached to a toilet handle with the pedal being reciprocated by means of a spring. ... | 12/04/2007 |
| 7255327 | Systems and methods providing hands free water faucet control Hands free system providing user control and regulation of water flow and temperature mix using “foot actuated” devices. Hands free system is adaptable to pre-existing water faucets and conventional plumbing, enabling full integration of an adjustable foot opera... | 08/14/2007 |
| 7011293 | Water-saving device for a faucet A water-saving device for a faucet includes a hose and a control assembly connected to the hose and adapted to be located upstream of the faucet. The control assembly includes a housing, a plunger, an operation unit connected to an end portion of the plunger, and a ... | 03/14/2006 |
| 6966536 | Flush valve device of flush toilet A flush valve device 20 of a flush toilet includes a flush valve body 22 connected to a city water source and an operation unit 50. The operation unit 50 has an operation button 63 and a flexible inner cable 71, which is par... | 11/22/2005 |
| 6810901 | Air compressor with foot-actuated condensate valve A foot-actuated condensate drain for an air compressor tank. The foot-actuated condensate drain includes a lever that is connected to a valve on the bottom of the air compressor tank. Movement of the lever, for example by a user's foot, causes the drain valve to ope... | 11/02/2004 |
| 6722623 | Multi-stage pedal valve structure A multi-stage pedal valve structure relates to a flow regulator on the valve opening located between the two compartments inside the body of the one-way pedal valve. The device includes a valve jacket, a piston rod, a graduating disc and a spring, while the valve ja... | 04/20/2004 |
| 6647568 | Tub with foot-actuated handle and valve with invertible port plate for mounting handle at different orientations within the tub A handle for controlling water temperature and/or water flow is mounted on the side of a bathtub and shaped such that the handle may be controlled by a bather's foot. The vanes of the handle are shaped to accommodate the shape of the foot and are spaced a... | 11/18/2003 |
| 6494345 | Food decorating system A gas-assisted food decorating system is provided for applying frosting and the like to an item of food. The system includes a foot pedal assembly having a pedal housing and a movable pedal. A variable pressure valve assembly is disposed in the foot pedal... | 12/17/2002 |
| 6481983 | Handless or footless operation of an electrical automatic water flow control apparatus A handless or footless operation of an electrical automatic water flow control apparatus for turning water on and off without touching the faucet lever of a faucet. The electrical water flow control apparatus is installed in line between the water shutoff... | 11/19/2002 |
| 6446281 | Water supply operated by a foot Disclosed is a water supply operated by a foot, in which the type or water such as warm or cold water is selected and the flow rate of water is regulated by operation of a foot. The water supply (53) has a ceramic cartridge inserted at the inside of the w... | 09/10/2002 |
| 6408452 | Automatic shut-off valve An automatic shut-off valve for installation on a swimming pool or spa main drain. The automatic shut-off valve has a ball and ball spring between a diaphragm and a housing. The diaphragm is made of resilient material. Downward force on the diaphragm urge... | 06/25/2002 |
| 6352240 | Hydraulic control apparatus for a hospital bed A manifold and valve assembly includes a manifold block having an inlet, an outlet, and a conduit in fluid communication with the inlet and with the outlet. The assembly also includes a valve having a portion movable within the conduit between a first pos... | 03/05/2002 |
| 6345806 | Foot-actuated faucet A foot-actuated faucet includes a valve having a body, a bonnet attached to the body and a diaphragm mounted between the body and the bonnet to define a chamber in the bonnet. The body includes an inlet adapted to connect to a water source and an outlet t... | 02/12/2002 |
| 6305663 | Handless or footless operation of an electrical automatic water flow control apparatus A handless or footless operation of an electrical automatic water flow control apparatus for turning water on and off without touching the faucet lever of a faucet. The electrical water flow control apparatus is installed in line between the water shutoff... | 10/23/2001 |
| 6295661 | Automatic shut-off valve An automatic shut-off valve for installation on a sing pool or spa main drain. The automatic shut-off valve has a soft gasket, ball, and ball spring between a grate and a housing. The grate is free to reciprocate up and down relative to the housing. Downw... | 10/02/2001 |
| 6219859 | Cabinet door operated faucet valve An automatic control system for a faucet of a sink includes a valve manifold adapted to be disposed beneath the sink. The valve manifold is adapted to communicate with at least one of a hot water supply line and a cold water supply line and at least one o... | 04/24/2001 |
| 6182686 | Foot valve safety cover apparatus A safety cover for foot valves has a base plate for supporting a valve body and a foot pedal cover portion including a front wall and laterally opposed side walls extending upwardly from the base plate and a top wall extending between upper ends thereof. ... | 02/06/2001 |
| 6089542 | Foot-operated flushing system A system for the remote operation of a flush valve employs a foot-pedal that is connected by a cable to an integrated drive bar, which is in turn disposed to engage the plunger of a standard flush valve actuator. Force on the pedal causes the drive bar to... | 07/18/2000 |
| 6076804 | Hydraulic controlling valve A hydraulic valve for controlling the flow of a pressured liquid with a housing that has an inlet and an outlet with a pivotally mounted handle that actuated a valve stem member housed within an internal bore with a counter bore step surface. An O-ring me... | 06/20/2000 |
| 6067675 | Foot operated faucet system A new foot operated faucet system for permitting operation of the faucet by a user using their feet. The inventive device includes a foot pedal movably coupled to a base, a swivel bar coupled between the foot pedal and a mixing valve for permitting adjust... | 05/30/2000 |
| 6056268 | Adjustable throttle stop A tool for limiting the amount by which an accelerator pedal lever may be actuated so as to restrict the maximum opening of a throttle valve to a predetermined maximum amount. The tool includes a first member positioned proximate to the accelerator pedal ... | 05/02/2000 |
| 6047417 | Cabinet door operated faucet valve A block containing a set of solenoid valves interposed between a water supply line and an existing faucet and activated by switches mounted on the sink cabinet door frame will provide instantaneous or continuous control of water flow from an existing sink... | 04/11/2000 |
| 5956779 | Hydraulic drive urinal flushing system A hydraulic drive urinal flushing system includes a hydraulic cylinder having a piston reciprocated therein and a piston rod upwardly extended from the piston, a weight sensor mounted on the piston rod outside the hydraulic cylinder, and a valve connected... | 09/28/1999 |
| 5941504 | Water saving system A foot actuated flow control valve connected to a power supply for controlling the flow of a liquid substance through a water supply line to a faucet. The foot actuated flow control valve includes a bypass conduit connected to the water supply line; an el... | 08/24/1999 |
| 5716039 | Actuating lever The actuating lever of this invention is intended for use with an air valve having a normally extending valve stem. The actuating lever has utility in many fields. One illustrated embodiment is described in association with an air valve in the waste remov... | 02/10/1998 |
| 5689843 | Shower water conservation system A new Shower Water Conservation System for conserving water during a shower thereby resulting in reduced water bills includes a T-spigot, a first flexible tube coupled to the T-spigot, a water control valve matingly coupled with the first flexible tube op... | 11/25/1997 |
| 5595344 | Surgical instrument cleaning device A device for cleaning surgical instruments uses water from a main water supply wherein the device is capable of delivering a low volume of water at high pressure to the surgical instrument. The device has a pump for boosting a water solution pressure to a... | 01/21/1997 |
| 5566716 | Hydraulic control valve A hydraulically operated control valve with a cam member that pivots toward one or the other side of the neutral position in response to an operating member. A pair of push rods each with a piston interposed between the cam member and one of a pair of spo... | 10/22/1996 |
| 5511763 | Foot operated stop valve A water saving device, implemented as a pair of spring loaded, normally-open shutoff valves inserted into the hot and cold water supply lines of a faucet, which are connected via a cable mechanism to a foot actuator. Actuating the mechanism causes the shu... | 04/30/1996 |
| 5464190 | Foot-operated valve A foot-operated valve includes a valve set with a hollow seat and a push rod that extends movably and slidably into the hollow seat and that has a bottom end with a plug provided therearound. The push rod is biased so that the plug blocks normally a dista... | 11/07/1995 |
| 5427146 | Linearly adjustable fluid damper A linearly adjustable fluid damper of the sliding plate adjustable orifice type damper system having a fixed plate with a plurality of specifically arranged hexagonal shaped apertures therethrough and a slidable adjustable plate also having a plurality of... | 06/27/1995 |
| 5423348 | Shut-in spray gun for high pressure water blast cleaning In accordance with an illustrative embodiment of a high pressure water blast gun as disclosed herein, such gun includes a valve body having inlet and outlet ports and an internal chamber, and a removable valve cartridge in the chamber which includes a gui... | 06/13/1995 |
| 5421552 | Foot-operated valve A foot-operated valve includes a valve set with a hollow seat and a push rod that extends movably and slidably into the hollow seat and that has a bottom end with a plug provided therearound. The push rod is biased to a first position, wherein the plug bl... | 06/06/1995 |
| 5386600 | Latching foot pedal actuated tap water flow controller An assembly with valves (16) and (20) that permits fluid flow through the invention when the foot pedal (13) is depressed. A mechanism engaged by depressing toe kick (11) will latch pedal (13) in a position where fluid flow continues after the foot is rem... | 02/07/1995 |
| 5358216 | Foot-operated valve A foot-operated valve has a valve housing formed with a longitudinal bore which includes a front section and a rear section that has an internal diameter wider than that of the front section to form a shoulder which serves as a valve seat therebetween. Th... | 10/25/1994 |
| 5330152 | Flush valve chock A chock for holding open a valve member of a flush valve assembly of a portable toilet having an outlet for communicating the toilet with a storage tank, the valve member being associated with the outlet and movable between a closed position wherein the v... | 07/19/1994 |
| 5322084 | Foot operated control device The present invention is a foot operated control device that provides variable control by means of a single foot pedal. The foot operated control device can be locked to allow continuous unattended operation. The foot pedal can be flipped into an upper po... | 06/21/1994 |
| 5309941 | Auto water supply control valve This invention relates to a foot operated control valve in which the water supply is automatically stopped as soon as a foot push button is released. It is not only convenient for use, but can also economize water consumption by means of auto start and st... | 05/10/1994 |
| 5307837 | Water valve apparatus Water valve apparatus with distal control includes at least one valve for controlling flow of water therethrough and having a movable actuator for starting and stopping the flow of water. A permanent magnet, disposed proximate said actuator for magnetic e... | 05/03/1994 |