Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8113225 | Flush valve actuator for low-flow urinal A flush valve actuator includes a valve body having an inlet and an outlet and a passage therebetween. A diaphragm is disposed within the passage and is movable between two positions so as to control a flow of fluid between the inlet and the outlet. A variable flow ... | 02/14/2012 |
| 8104495 | Versatile emergency shutdown device controller implementing a pneumatic test for a system instrument device A multi-functional or versatile emergency shutdown valve controller may be used in various different emergency shutdown configurations to enable the testing of different types and configurations of emergency shutdown devices and the supporting equipment associated t... | 01/31/2012 |
| 8096313 | Method and device for communicating electrical positioning information of a final control element In a method for communicating electrical positioning information of an actuator-positioned final control element such as a valve element, the positioning information resulting from continually sensing the position of the final control element, a binary signal is for... | 01/17/2012 |
| 8096314 | Fluidic device, fluidic module, and method of handling a liquid A fluidic device includes a fluidic module with a first fluid chamber and a second fluid chamber closed with the exception of a fluidic connection to the first fluid chamber. A drive is formed to impart the fluidic module with a first rotation at a rotational freque... | 01/17/2012 |
| 8091571 | Valve box, valve control device and assembly thereof A valve box, a valve control device, an assembly thereof and a method are provided for accessing an underground valve and indicating presence and position of the underground valve. The valve box includes a support member having a tubular section; and a resilient tub... | 01/10/2012 |
| 8082939 | Seal leakage gas recovery system A dry gas seal leakage recovery system is provided which collects seal leakage gas from one or more mechanical seal assemblies, pressurizing and controlling the outlet distribution pressure of the collected seal leakage, and re-injecting the gas back into the compre... | 12/27/2011 |
| 8074670 | Maintaining dynamic water storage in underground porosity reservoirs An underground porosity reservoir includes substantially impermeable barriers and an aquiclude surrounding a volume of alluvial materials for storing water within the pore spaces of the alluvial materials. Upstream and downstream ends of the reservoir define both a ... | 12/13/2011 |
| 8069873 | Method and apparatus for removing liquids from risers A bypass assembly is provided for preventing unwanted liquids from collecting within fuel gas risers, exiting such risers and contaminating fuel gas systems. A conduit extends from a riser vessel to a natural gas flow line. An insert extends from the bypass line int... | 12/06/2011 |
| 8051869 | Gravity operated valve A valve includes a valve body defining a valve cavity. The valve body has first and second inlet ports, an outlet port, and a dump port. A weighted member is positioned in the valve cavity and is movable between first and second positions. In the first position, the... | 11/08/2011 |
| 8025072 | Developing a flow control system for a well To develop a flow control system for use in a well, a multi-level approach is used, where the multi-level approach includes setting goals for the flow control system. According to the goals set, an overall design of the flow control system is specified, and based on... | 09/27/2011 |
| 7896017 | Medical fluid delivery system and method relating to the same A medical fluid delivery system for the use in the delivery of medical fluids. The medical fluid delivery system may include a pumping system, a disposable medical fluid line set and a valve operating system. The disposable tubing line set may include valves adapted... | 03/01/2011 |
| 7896018 | Dosage control apparatus The invention is directed to a dose control apparatus. The apparatus has two armatures pressed against a valve seat by at least one spring. A coil induces a magnetic field that motivates the armatures against the force of the spring, thereby opening the valve. The a... | 03/01/2011 |
| 7866333 | Fluid transfer system and method The present invention relates to a fluid transfer system and method for transferring fluid from a reservoir (2) and to (a) delivery device typically being (a) nozzle. The present invention relates in particular to transferring urea in highly accurate metered ... | 01/11/2011 |
| 7841357 | Connection state sensing for coupling device A coupling device includes a main body defining a fluid flow passage, and a valve member moveable between an unconnected state and a connected state. The coupling device also includes a magnet coupled to the valve member, and a sensor coupled to the main body, the s... | 11/30/2010 |
| 7802583 | Fluid flow control device A flow controller adapted to control a flow of fluid within the flow controller, the flow controller having a flow path adapted to convey said fluid, wherein the cross-sectional area of the flow path varies along the flow path and wherein in at least a portion of it... | 09/28/2010 |
| 7798164 | Plasmon assisted control of optofluidics A method of microfluidic control via localized heating includes providing a microchannel structure with a base region that is partially filled with a volume of liquid being separated from a gas by a liquid-gas interface region. The base region includes one or more p... | 09/21/2010 |
| 7784481 | Actuating device for fixtures and method for the operation thereof Disclosed is an actuating device for fixtures, particularly plumbing fixtures, comprising at least one input unit that is provided with a plurality of sensors which are connected to a control unit, and at least one drive unit for at least one closing device for at l... | 08/31/2010 |
| 7779852 | Water conservation safety shut-off valve The present invention is a water conservation safety shut-off valve assembly for use on locations which normally have intermittent water usage but need to indicate when there is constant water usage, such as a leak. The valve assembly has a valve body with a fluid p... | 08/24/2010 |
| 7770592 | Valve with freeze-proof heated valve seat A valve comprises a valve body having a fluid inlet and fluid outlet, a valve seat located in the valve body between the fluid inlet and a fluid outlet, a valve member movable towards and away from the valve seat for controlling the flow of fluid from the fluid inle... | 08/10/2010 |
| 7766026 | Faucet control system and method A faucet control system comprises a valve apparatus, sensors or a touch panel to be activated by a user, and a controller that controls the valve apparatus. A first sensor may start fluid flow and a second sensor may alter the proportion of fluids delivered from two... | 08/03/2010 |
| 7766025 | Periodic regenerative heat exchanger A regenerative heat exchanger includes a pair of heat exchangers, an inlet valve assembly and an outlet valve assembly. Each valve assembly includes two corresponding pairs of valve ports and two poppet discs each being movable between said corresponding pairs of va... | 08/03/2010 |
| 7762271 | Material delivery support device for boom and method of use A material delivery support device is provided for supporting a tubular delivery system from an outermost end of an extendable boom arm. The material delivery support device includes a rigid support arrangement having an upper rigid portion attached to the outermost... | 07/27/2010 |
| 7753065 | Hydrant backflow restriction system A hydrant backflow prevention system comprises a backflow prevention valve, operably coupleable to a hydrant to restrict passage of materials through the hydrant into a water supply feeding the hydrant. The backflow prevention valve is installable fluidly inline wit... | 07/13/2010 |
| 7743782 | Wave control circuit A wave control circuit disclosed herein may be used to control the operation of various plumbing devices and appliances. The wave control circuit uses a sensor to sense presence of objects in the vicinity of the plumbing device and appliance using the wave control c... | 06/29/2010 |
| 7740023 | Check valve assemblies and related methods Check valve assemblies and related methods are described. A valve assembly comprises a housing having at least a first inlet passage and an outlet passage. A flow channel is disposed within the housing, with at least a portion thereof extending inward from the first... | 06/22/2010 |
| 7735506 | Methods for storing gas A method for storing a gas. In some embodiments, the method includes positioning a gas storage system under water, the gas storage system having a gas inlet and injecting gas through the gas inlet into the gas storage system, wherein the gas is compressed. The metho... | 06/15/2010 |
| 7712480 | Method of extracting contents from sealed flexible containers using irrigation water, device for implementing same and associated container The invention relates to a method of extracting contents from sealed flexible containers using irrigation water, to a device for implementing same and to the container used. The inventive method essentially comprises the following steps: a) perforation of the contai... | 05/11/2010 |
| 7677261 | High flow, low mobile weight quick disconnect system A fluid coupling device and coupling system that may start and stop the flow of a fluid is disclosed. In some embodiments, first and second couplings are provided having an actuator coupled with each of the couplings. The couplings and actuators may be detachable to... | 03/16/2010 |
| 7665479 | Aerial refueling system A method for operating an aircraft refueling system, where the aircraft refueling system has a computer system, a plurality of fuel tanks containing a fuel, a plurality of fuel pumps, a plurality of motor operated valves, and at least one refueling connection. The m... | 02/23/2010 |
| 7610927 | Apparatus, system and method for monitoring fluid flows and/or filter conditions and/or distributing a single fluid An apparatus, a system and a method monitor fluid flows and/or filter conditions and/or distribute a single fluid. The apparatus and the system supply and/or maintain fluid requirements of one or more hydraulic systems with the single fluid from a reservoir. The fil... | 11/03/2009 |
| 7610928 | Valve and actuator assemblies The present application relates to valve and actuator assemblies. The valve actuator assemblies may include a capless valve actuating arrangement, include a replaceable passage defining member that includes seal members, include a valve member that is assembled in a... | 11/03/2009 |
| 7604017 | Water ingress detection system The present invention provides a water ingress detection system (1) suitable for use in indicating the ingress of water (12) onto a pipe (2) or vessel inside a casing (3), from outside. The system (1) comprises a deflector (4 | 10/20/2009 |
| 7604018 | Dispensers An inline dispersal valve that can be used with or without a base. One embodiment includes a rotatable member that is rotatable from a fluid stream obstructing condition to an out-of-the-way condition to prevent fluid diversion into the dispersal valve. Another embo... | 10/20/2009 |
| 7591276 | Expansion valve block with coordinated high- and low-pressure circuit control means The invention relates to an expansion valve block which is equipped with coordinated means (8) for isolating the high-pressure circuit (3) and the low-pressure circuit (4) such that, when the gas delivery inlet is opened and closed, the two circ... | 09/22/2009 |
| 7591277 | Fuel balancing system A fuel system for a mobile platform is provided. The system includes a crossfeed fuel transmission assembly having a single crossfeed valve that controls fuel consumption from a first fuel tank and a second fuel tank. The system additionally includes a balancing fue... | 09/22/2009 |
| 7588046 | Dosage control apparatus The invention is directed to a dose control apparatus. The apparatus has two armatures pressed against a valve seat by at least one spring. A coil induces a magnetic field that motivates the armatures against the force of the spring, thereby opening the valve. The a... | 09/15/2009 |
| 7575012 | Gas supply apparatus A gas supply apparatus including: a tank unit that includes a tank storing a gas and a discharge mechanism discharging the stored gas to the outside of the tank at a reduced pressure of the stored gas; a temperature detector that detects a temperature of the tank; a... | 08/18/2009 |
| 7552740 | Method of managing easily polymerizable substance and easily polymerizable substance managing apparatus A method for handling an easily polymerizable substance and a device for handling an easily polymerizable substance are provided that prevent polymerization of the easily polymerizable substance in a bypass line by renewing the easily polymerizable substance retaine... | 06/30/2009 |
| 7540298 | System, apparatus and method for contaminant reduction in semiconductor device fabrication equipment components A system and apparatus for reducing contaminants of physical components (e.g., semiconductor device fabrication equipment components), featuring a manifold having a passageway in fluid communication with a plurality of inlets and for providing a purge fluid to remov... | 06/02/2009 |
| 7530365 | Surge prevention device A surge prevention valve may be used to prevent the formation of an initial surge of high pressure. The valve may be located, for example, between a high pressure gas cylinder and a medical pressure regulator. The valve is provided with first and second valves locat... | 05/12/2009 |
