Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7802588 | Three-way poppet valve with internal check feature A three-way poppet valve that can restrict or eliminate backflow without the use of an external check valve. Unlike conventional three-way poppet valves wherein both inlets can be open to the outlet at the same time during movement of the poppet, the valve according... | 09/28/2010 |
| 7389793 | Faucet device selectively operatable manually or automatically A faucet device includes a block disposed in a faucet member and having two passages for receiving hot and cold water and having an entrance and an exit coupled to a solenoid valve, a housing disposed in the faucet member and having two ports aligned with the entran... | 06/24/2008 |
| 7367351 | Tap pressure balance valve A tap pressure balance valve for maintaining normal operation of the tap has a coil spring and a cut-off washer disposed in a though hole of a secondary case at where in relation to a water outlet provided on a deck of a primary case for the coil spring to push agai... | 05/06/2008 |
| 7350580 | Subsea pass thru switching system A coupling switches control fluid from a tubing hanger to a downhole completion of a subsea well. The coupling, located between a tubing hanging running tool and a downhole completion, includes a coupling body and a tubing hanger. A hydraulic poppet switches control... | 04/01/2008 |
| 7350672 | Fluid dispensing apparatus A manually actuated dispensing gun can deliver different fluids to be mixed. The gun has a body assembly with first and second valves. A lever arm manually actuates the valves. A cap has first and second fluid inlets that are coupled to respective controlled fluid o... | 04/01/2008 |
| 7328718 | Automatic changeover regulator A pressure regulator (10) includes a changeover regulator (12) with plural inlets (16, 18). Inside the regulator, each inlet has a closure member (62) connected to a diaphragm (100) for control of the closure members (62) in... | 02/12/2008 |
| 7302969 | Valve device for use with fuel cells A first valve body is disposed in a first opening defined in a valve housing, and a second valve body is disposed in a second opening defined in the valve housing. The first valve body is fastened to a first shaft by screws, and the second valve body is fastened to ... | 12/04/2007 |
| 7293582 | Method and apparatus for precluding backflow in a mixing valve subjected to unbalanced inlet pressure An apparatus and method are provided for precluding backflow of fluid in a mixing valve, through use of a manifold of the mixing valve including a septum wall in an intermediate divided segment of an outlet conduit of the manifold. ... | 11/13/2007 |
| 7267139 | Valve device The invention relates to a valve device comprising a valve housing (2) with a first and a second flow channel (3a, 3b), and a first and second damper shaft (8a, 8b), which are rotatable relative to the v... | 09/11/2007 |
| 7264016 | Self-closing rotary valve A water dispenser assembly includes valve cartridges for controlling the flow of cold water from the cold-water inlet and the spout. Each valve cartridge includes a rotatable stem extending from a body. The water dispenser assembly includes a self-closing feature th... | 09/04/2007 |
| 7243381 | Emergency shower and eyewash station with temperature control An emergency water release device comprises heating elements adapted to heat water, a shower and an eyewash, a valve and a controller which sends a first signal to turn off at least one of the plurality of heating elements when a temperature of the water exceeds a p... | 07/17/2007 |
| 7228872 | Nitrous oxide and fuel control valve for nitrous oxide injection system A nitrous oxide and fuel control valve has simultaneous flow control of nitrous oxide from a first fluid-delivery aperture (8) and flow control of fuel from a second fluid-delivery aperture (10) into a mixing nozzle (38) of an intake manifold of... | 06/12/2007 |
| 7213614 | Automatic cold water feed-back mechanism for single handled faucet An automatic cold water feed-back mechanism for a single handled faucet includes a valve housing for a valve stick, a base mount, a switching valve, a valve seat to be adapted therein, a limiting valve mounted at the upper section of the valve housing, and a cold wa... | 05/08/2007 |
| 7183208 | Methods for treating pluralities of discrete semiconductor substrates The invention includes a method for treating a plurality of discrete semiconductor substrates. The discrete semiconductor substrates are placed within a reactor chamber. While the substrates are within the chamber, they are simultaneously exposed to one or more of H... | 02/27/2007 |
| 7178564 | Supplying/removing apparatus of puncture sealant of tire A puncture sealant supplying/removing apparatus includes a pressure-resistant bottle, an apparatus body on which the pressure-resistant bottle can be mounted, supply hose means which supplies or returns a puncture sealant accommodated in the pressure-resistant bottl... | 02/20/2007 |
| 7162884 | Valve manifold for HVAC zone control A pressure and vacuum valve manifold system such as may be used, for example, to actuate pneumatic bladders controlling airflow in a forced air HVAC system to provide zone climate control. The valves are individually operable to connect a respective individual bladd... | 01/16/2007 |
| 7143785 | Microfluidic large scale integration High-density microfluidic chips contain plumbing networks with thousands of micromechanical valves and hundreds of individually addressable chambers. These fluidic devices are analogous to electronic integrated circuits fabricated using large scale integration (LSI)... | 12/05/2006 |
| 7134451 | Metering faucet assembly including temperature control A metering faucet assembly includes a metering cartridge valve assembly and a separate mixing control valve having a mixing valve stem that is offset relative to a valve actuator for the cartridge valve assembly and coupled to the valve actuator by a coupling mechan... | 11/14/2006 |
| 7121088 | Automotive exhaust valve A valve assembly is adapted to be disposed in an automotive engine exhaust system at an outlet of an internal combustion engine. The assembly includes a valve body having an opening therethrough including an inlet portion and an outlet portion. A first valve and a s... | 10/17/2006 |
| 7119451 | Self-powered miniature liquid treatment system with ultraviolet dosing A liquid treatment system that may be self-powered includes a filter, an ultraviolet light source and a hydro-generator. A flow of liquid may be filtered with the filter and used to rotate the hydro-generator to generate electric power. The ultraviolet light source ... | 10/10/2006 |
| 7112544 | Method of atomic layer deposition on plural semiconductor substrates simultaneously The invention includes a method for treating a plurality of discrete semiconductor substrates. The discrete semiconductor substrates are placed within a reactor chamber. While the substrates are within the chamber, they are simultaneously exposed to one or more of H... | 09/26/2006 |
| 7090471 | Integrated electrostatic peristaltic pump method and apparatus An electrostatic fluid regulating device and methods. The device has a substrate. The device also has a first electrode coupled to the substrate. The device has a polymer based diaphragm. A second electrode is coupled to the diaphragm. A polymer based fluid chamber ... | 08/15/2006 |
| 7086602 | Valve for mixing cold and hot water A valve includes a housing having an inlet opening and an inlet orifice for receiving cold and hot water, a barrel slidably received in the housing and movable to control the cold and the hot water to flow into the housing. A stem is secured to the barrel and shorte... | 08/08/2006 |
| 7069941 | Electronic faucets for long-term operation An electronic faucet (10) mounted on a countertop (12) includes a housing, at least one fluid inlet line (24a, 24b) extending into the housing, a fluid outlet (46) from the housing, a solenoid (142, 143) for op... | 07/04/2006 |
| 7067936 | Self-powered miniature liquid treatment system with multiple liquid flow paths A liquid treatment system that may be self-powered includes a filter, an ultraviolet light source and a hydro-generator in a first flow path. The first flow path may provide treated liquid at a first outlet of the liquid treatment system. A second flow path included... | 06/27/2006 |
| 7036527 | Composite valve Disclosed is a composite valve comprising a valve body that is provided integrally with a solenoid valve portion and a differential pressure valve portion. The valve body is formed with an upper valve chest, a lower valve chest, a refrigerant introduction chamber th... | 05/02/2006 |
| 7032789 | Solenoid using color-coded visual indicia in a liquid dispensing system A liquid dispensing system and methods including color-coded visual indicia to assist an operator in the proper selection of the components and in the configuration of those components in the system during setup, maintenance and diagnostics. Color-coded indicia is a... | 04/25/2006 |
| 7014166 | Faucet device operatable either manually or automatically A faucet device includes a shank coupled to a water reservoir and having two outlets, a solenoid valve is coupled to one of the outlets of the shank, a faucet housing includes a chamber and includes an outlet spout. A valve casing is disposed in the faucet housing, ... | 03/21/2006 |
| 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 |
| 7007828 | Chemical metering pump A liquid chemical metering pump (24) is described that can be fully submerged within a hazardous liquid chemical transport/storage container (28). The pump (24) includes a discharge adaptor (30) that can be received in the outlet aperture... | 03/07/2006 |
| 6997210 | Valve arrangement including release valve A valve arrangement including a release valve. The valve arrangement controls a cylinder assembly including a first port and a second port, and a cylinder slideably housing a piston for movement between an extended position and a retracted position. The valve arrang... | 02/14/2006 |
| 6953465 | Containers and methods for delivering vaso-occluding filaments and particles This is directed to containers and methods for holding and delivering vaso-occluding materials such as hydrogel particles and filaments. The vaso-occlusive materials may be held in the container in a hydrated or unhydrated state. The container includes a fluid ingre... | 10/11/2005 |
| 6935368 | Cold-hot water faucet A cold-hot water faucet includes a main tube and a shaft tube fitted rotatably into the main tube. The main tube is provided with a valve chamber and two fastening ports for fastening respectively with a cold water pipe and a hot water pipe. A ball valve is rotatabl... | 08/30/2005 |
| 6932638 | Tap handle with an integral electrical connection An integral electrical connection for use with a tap handle in a beverage dispenser. With the integral electrical connection, the tap handle can be internally suppled with low voltage power, with safety and reliability, by a quick connection circuit, housed within t... | 08/23/2005 |
| 6929150 | System and method for dispensing soap A method of dispensing soap from a fluid dispensing system is disclosed. The method includes the steps of presenting a tube having a tube end disposed at a first position within an indented portion of a spout of the fluid dispensing system, sensing an object below t... | 08/16/2005 |
| 6929239 | Microfluid system for reactions and transfers The invention concerns a device for performing a reaction or at least two reactions in parallel or in series, and for transferring a fluid flow, consisting of. an upper surface (2) and a lower surface (3) mutually linked by an edge (4); at least... | 08/16/2005 |
| 6927501 | Self-powered miniature liquid treatment system A liquid treatment system that may be self-powered includes a filter, an ultraviolet light source and a hydro-generator in a first flow path. The first flow path may provide treated liquid at a first outlet of the liquid treatment system. A second flow path included... | 08/09/2005 |
| 6918902 | Irrigation and suction valve and method therefor The in-line hand operated valve controls the flow of at least the irrigation fluid or suction to a surgical site. First and second sources provide fluid and suction to the valve. Valve body source ports communicate with the source lines and a delivery port communica... | 07/19/2005 |
| 6883541 | Manual-automatic water faucet A manual-automatic water faucet includes a shell installed inside with a water intake base, a water outlet valve, an electromagnetic valve, an induction device and a control device. The control device is composed of a valve rod, a spindle and a revolving button. The... | 04/26/2005 |
| 6874535 | Device and method for operating at least two valves A valve device and a method for operating at least two valves is actuated by an actuator and arranged for controlling fluid flow in at least two separate fluid lines. The two valves are preferably diaphragm operated valves, but may be also piston valves. The valve d... | 04/05/2005 |
