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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...
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7591278 |
Sewer system vent monitor
Apparatus incorporating a water trap allows vent air to flow into a sewer system under low pressure differential conditions and allows gaseous emissions from the sewer system to exit the vent pipe...
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7524364 |
Method and apparatus for draining pneumatic systems
Methods and apparatuses for determining the condition of a pneumatic system air dryer are provided. An output of the pneumatic valve or of a conduit interconnected to the outlet of the pneumatic...
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7499761 |
Variable function voting solenoid-operated valve apparatus having air-to-move valve actuators and testing method therefor
A variable function voting solenoid-operated valve apparatus is provide, wherein the apparatus includes a first solenoid-operated valve, a second solenoid-operated valve and a bypass valve disposed...
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7487794 |
Device for determining effects suffered by a flow-controlled gaseous medium
Liquefied petroleum gas is widely used in leisure time activities. Here, as liquefied petroleum gas is highly inflammable, it is important to have an indicator ( 19 ) that quickly determines...
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7469717 |
Fail safe shutter for use with a cross-stack monitor
A fail-safe shutter ( 13 ) for a “cross-stack” monitor, comprises a body member ( 14 ) having an aperture ( 1 ) through which, in use, an associated monitoring instrument is adapted to sight. A...
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7469716 |
Multiway valve
What is provided is a flow shut-off element, particularly for use in the medical field of peritoneal dialysis, consisting of a valve body ( 2 ) having an inner cavity ( 3 ) and a plurality of...
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7461670 |
Cycle indicator for fluid distribution systems
A cycle indicator is provided for monitoring movement of a fluid control piston of a divider block for a fluid distribution system. The cycle indicator connects to the divider block in a manner...
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7322423 |
Dry pipe valve for fire protection sprinkler system
A fire protection system comprises a supply pipe having a first fluid pressurized to a first pressure and a network of pipes having a plurality of sprinklers. The network of pipes have a second...
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7273067 |
Reduced profile electromechanical valve actuator
A relatively small, lightweight valve actuator assembly that can withstand relatively high levels of vibration and shock includes a motor, a position sensor, and a drive belt mounted on an actuator...
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7229233 |
Double walled containment sumps
A double walled riser sump has an annular space between the two walls. The provision of the annular space provides for monitoring the integrity of the two walls of the sump. The two walls of the...
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7124775 |
Micro pump device with liquid tank
A micro pump device with liquid tank comprises a liquid tank being made of transparent material; and a micro pump having an inlet positioned in center of the liquid tank and the micro pump locating...
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7121299 |
Regulator valve with flow indicator for a hot-water heating system
The valve includes an intake duct ( 13 ) for conveying water into the valve, an externally projecting tubular body ( 20 ) of a transparent with an internal cavity ( 21 ) and a flow indicator rod (...
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7066202 |
Indicator-equipped flow regulating valve
An indicator-equipped flow regulating valve includes a valve body through which a fluid flows, a connecting body connected to an upper portion of the valve body, a housing connected to an upper...
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7036789 |
Distribution valve comprising a flowmeter for installing in an inlet
A distribution valve having a flowmeter for use in a flow pipe of a hot water heating circuit. The distribution valve has a branch line and an adjusting and measuring unit for adjusting and...
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7036524 |
Waste disposal system for recreational vehicles
A sewage draining system for a recreational vehicle. A flexible drainage hose extends from the distal end of sewage pipe on an RV, and a rigid sleeve carries the drainage hose in a first stowed...
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7032611 |
Pressure regulator and method of use
A pressure regulating device for connecting a pressure source to an inflatable object comprises: a hollow casing; a valve system positioned inside the hollow casing; a fluid inlet connected to the...
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6997200 |
Water conservation system
The invention recirculates and/or recycles fluids normally lost down the drain during the time it takes for a desired temperature to be attained for usage of the hot fluids. A...
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6988510 |
Disc check valve
A free floating disc check valve is provided by the present application. The check valve includes a seal disc having an integral truncated torroidal shaped portion. The torroidal shaped portion...
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6981522 |
Microfluidic devices with distributing inputs
Microfluidic devices having a plurality of functional features for performing one or more fluidic operations in parallel are provided. Reagents, samples or other fluids common to multiple...
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6978661 |
Secondary containment leak prevention and detection system and method in fuel dispenser
A vacuum generator that is coupled to a double-walled fuel supply piping internal to a fuel dispenser that carries the fuel from the underground storage tank to the hose and nozzle of the fuel...
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6971401 |
Protective cover for valve stems and the like
An apparatus includes a cylindrical body that is formed from soft and resilient material and has a smooth outer surface provided with surface indicia coated thereon that has a fluorescent color for...
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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...
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6959837 |
Dual piston/poppet flow switch
A dual piston/poppet valve in a fuel dispenser works with a two-stage valve to help eliminate errors from an inferential flow meter. When the two-stage valve opens partially, a secondary fuel path...
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6959611 |
Flow meter having a rebounding plate with a filter assembly
A flow meter, particularly for warm water heating systems, includes a measuring element and an indicator element. The indicator element has a basic component with a cylindrical attachment extending...
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6935361 |
Pipe, piping system, radiant heating system, and kit
A pipe, piping system, kit, and radiant heating system that include lengths of cross-linked polyethylene pipe, which form connections between flow components. Some embodiments utilize a sheath...
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6932099 |
Configurable valve-electrical box for underground conduit system to distribute water to landscaping
An improved landscape watering system is provided that simplifies the installation and maintenance of multiple underground water control valves, that permits the on-site configuration of...
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6918407 |
Pneumatic reset relief valve
A safety device protects a mud pump from an over pressure condition, which can occur during normal operation. The mud pump discharge couples to a high pressure inlet at the bottom of a valve body...
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6899129 |
Shutoff valve and related methods
A shutoff valve includes a positive position indicator for indicating the position of a piston in the valve. The valve position indicator is operably connected to a piston within the valve so that...
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6886594 |
On-off valve, particularly for insulation by-pass of exhaust gas expansion turbines of catalytic cracking plants
The invention relates to on-off valve, particularly for insulation by-pass of exhaust gas expansion turbines of catalytic cracking plants, of the type comprising a hollow valve body, an opening for...
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6886577 |
Product identification rings for below ground storage tanks
A colored ring immovably associated with an inlet of an underground tank to enhance the identification of the material in the underground tank. The ring can be bolted to the inlet or engaged with...
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6862914 |
Method of testing a variable function voting solenoid-operated valve apparatus
A variable function voting solenoid-operated valve apparatus is provided having both high safety availability and high plant reliability that does not require a plant system to be bypassed during...
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6810910 |
Valve and arrangement for fire suppression system
A valve and valve arrangement for a fire suppression system includes a remotely controlled valve such as a solenoid valve which is electrically controlled to provide a preselected flow through the...
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6732757 |
Bypass water-treatment dispenser bleed-valve w/cap-lock and post-mount
An improved water-treatment canister configuration of the chemical-dispensing bypass type, employing a screw-cap for periodic replenishment of an active chemical-feed ingredient; —featuring a...
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6691737 |
Hand drive for shut-off members
A hand drive for shut-off members is described, for example for membrane valves, the hand drive comprises a hand wheel for actuating the valve which is provided with a closure limiter and a valve...
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6681802 |
In-line valve arrangement for fire suppression water sprinkler system
A valve arrangement for use in a fire suppression sprinkler system includes a valve member for controlling the flow of a fluid. The valve member has a housing having an inlet and an outlet. The...
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6681791 |
Manifold valve position indicator and operator alerting system
Valve assembly comprising a valve base, a valve bonnet attached thereto, a rotatable valve stem extending coaxially through the valve bonnet, a rotatable valve handle attached to the valve stem and...
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6679291 |
Poppet valve assembly
A poppet valve assembly is provided for use on a fuel tanker truck which enables the truck's driver to determine whether fuel is flowing through the valve assembly and whether fuel is present in...
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6668858 |
Check valve
A check valve is provided having a valve body and a sealing assembly within the valve body. The sealing assembly is biased, via a biasing force, in a seated position against a valve seat adjacent...
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6629621 |
Gauge hatch with liquid seal
A gauge hatch is provided that has a cover structure that incorporates a pallet/diaphragm combination and that is cooperatively associated with a pressure responsive liquid seal subassembly. The...
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6615866 |
Hydraulic power assembly having a removable top
A hydraulic power assembly ( 10 ) includes an electric motor ( 30 ) disposed on a removable top ( 26 ) outside a tank ( 12 ) defining a chamber ( 25 ). A first pump ( 32 ) depends from the...
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6588441 |
Flow direction indicator loop
An apparatus and method for determining direction of flow in a fluid or pneumatic system. The apparatus comprises first and second conduits having clear portions, the first and second conduits...
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6546956 |
Opaque container fluid indicator
An opaque container fluid indicator is constructed to include a mount fixedly fastened to the spout of an opaque fluid container, a bladder holder supported on the mount to hold an elastic...
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6513787 |
Touchless fluid supply interface and apparatus
The fluid supply apparatus supplies and controls one or more fluids while adjusting/controlling one or more continuously parameters; and includes an outlet, at least one control valve and a...
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6491056 |
Sprinkler alarm test and drainage device for fire protection systems
A combined alarm test and drain device for a fire protection sprinkler system is disclosed. The apparatus is based on a globe valve and has certain specific modifications for the purposes of...
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6484750 |
Compressed gas regulator and flowmeter
An integrated regulator and flow meter assembly having a piston reciprocatingly disposed in an opening of a body member, a support member disposed in the body member opening over the piston, and a...
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6474361 |
Floating weir assembly and fluid flow management system comprising same
A floating weir assembly for controlling the discharge of fluid from a fluid reservoir. The weir assembly includes a buoyant body preferably comprising a sidewall surrounding a central bottom...
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6374850 |
Emergency gas line shut-off system
An emergency gas line shut-off system for automatically preventing a flow of gas into a structure during the detection of emergency conditions. The emergency gas line shut-off system includes a gas...
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6360773 |
Methods for monitoring wear in seat materials of valves
Systems and methods are discussed that monitor wear in seat materials of a valve. One aspect of the present invention includes a system. The system includes sensors to sense the open/closed status...
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6349733 |
Water delivery and storage system and method
A water storage and dispensing system includes a water storage tank, a dispenser, and a conduit system extending between and fluidly connecting the storage tank and the dispenser. The conduit...
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