Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8104508 | Valve device assembling structure, plug body, and manual valve A plug body housing 16 has a receiving recess 17, and the receiving recess 17 includes a first recess 21 opening toward the outside and a second recess 22 connected to the first recess 21. Check valves 8 and 9 ... | 01/31/2012 |
| 8096320 | Compact beverage pressure regulator A pressure regulator includes a body member for regulating pressure of a fluid flowing therein. The body member has one end for receiving the fluid and another end for providing pressure regulated fluid. The pressure regulator has two quick-disconnect devices, each ... | 01/17/2012 |
| 8082950 | Tube connector A tube connector for connecting a fluid supplying device to a tube for supplying the fluid from the fluid supplying device to the tube is provided, which comprises: a connector body comprising a penetration hole that is formed therein, a mounting portion for connect... | 12/27/2011 |
| 8082949 | Non-return valve with a ball-shaped valve body In the non-return valve of this invention, at its outlet there is a blade gate (1) and at least a part of the body (2) makes for a uniform cast of the valve body (3). ... | 12/27/2011 |
| 8037899 | Backflow preventer A first check valve has a narrow flow path portion (68) formed between an arcuate portion (46) of the outer periphery (45) of a support member and a second enlarged-diameter portion (11) of a casing. The narrow flow path portion (first po... | 10/18/2011 |
| 7975720 | Ball valve cartridge for use with remote handle A ball valve cartridge is disclosed. It is especially well suited for freezeless hydrant applications and any other application where it is positioned remotely from a handle or other actuating element. The cartridge contains a ball valve element and an internal stem... | 07/12/2011 |
| 7967027 | Simple diverter valve for a roman tub with replaceable cartridge including at least two checks A diverter valve includes a housing and a diverting stem cartridge. The housing has a top and a bottom and a stem cartridge receiving chamber. The housing also has an inlet port proximate the bottom thereof and a plurality of laterally directed outlet ports. Each ou... | 06/28/2011 |
| 7748407 | Compressed air regulator apparatus situated in canister and method for regulating compressed air thereof A compressed gas regulator of a piston type is disclosed in which a regulator is configured with an input valve situated entirely inside a compressed air canister, which regulator is then attached to a paintball gun, marker or other device for providing discrete cha... | 07/06/2010 |
| 7617842 | Valves for fuel cartridges Valves for connecting fuel supplies to a device are disclosed. The fuel supplies can be a pressurized or non-pressurized cartridge that can be used with any device, such as fuel cells or fuel refilling apparatus. The valve includes face seals to minimize the amount ... | 11/17/2009 |
| 7549444 | Frost free valve assembly A frost free faucet having a spigot assembly including a drain conduit, a sleeve assembly including an elongated pipe, and a valve assembly. The valve assembly includes a ½ turn valve, a check valve and optionally a pressure relief mechanism. The ½ turn valve incl... | 06/23/2009 |
| 7451782 | Flow path control valve The present invention relates to a flow path control valve capable of preventing a back flow of a fluid by maintaining inner pressure of a valve chamber constant. An object of the present invention is to provide a flow path control valve, which can rapidly and accur... | 11/18/2008 |
| 7445025 | Combination valve A valve assembly is disclosed. The valve assembly includes a valve body having an inlet opening, an outlet opening, and a flow passage extending therebetween. A check valve is disposed within the flow passage. A shutoff valve is disposed within the flow passage. A v... | 11/04/2008 |
| 7418974 | Tap having a clamping ring on the base end portion The invention relates to a tap for a gas or liquefied gas vessel having on a conical threaded base of the tap body a clamping ring adapted to be firmly tightened against a neck of the vessel to maintain a tight engagement of the threads of the base and the neck of t... | 09/02/2008 |
| 7395907 | Shock absorber with frequency-dependent damping Shock absorber containing a flow channel (16), provided with a valve assembly, made in the piston section. This valve assembly is designed to be actuated hydraulically. To this end there is an auxiliary chamber (22, 42) which on one side is eliminated ... | 07/08/2008 |
| 7383858 | Control valve assembly for a faucet A control valve assembly includes a first control valve and a second control valve longitudinally mounted to the first control valve. A first check valve and a second check valve respectively disposed in the first control valve and the second control valve such that... | 06/10/2008 |
| 7367356 | Oil flow control valve for a cam phaser An oil flow control valve (10) for a cam phaser is described comprising a spool (18), a spool housing (16) and a check valve (40), wherein the spool (18) comprises a throughbore (60) and the check valve (40) is mounte... | 05/06/2008 |
| 7341075 | Fluid flow control valve A fluid flow control valve is disclosed. This valve includes a housing which defines a central passageway having fluid inlet and fluid outlet openings. A pressure responsive element is disposed within the passageway for selectively opening and closing the inlet open... | 03/11/2008 |
| 7331365 | Lavatory service shut-off valve A shut off valve (10) is provided for use in an aircraft lavatory system (70) during maintenance sanitizing operations. The shut off valve includes an inlet passage (20) in intermittent fluid communication with an outlet passage (30) and ... | 02/19/2008 |
| 7329249 | Needleless Luer activated medical connector A medical fluid flowline connector comprised of axially aligned relatively rotatable male and female Luer parts and an axially compressible elastomeric seal therebetween. An elastomeric stopper may be provided in the female Luer, the stopper having a swabbable end u... | 02/12/2008 |
| 7322558 | Non-refillable valve A non-refillable valve is provided that allows for an initial filling of a container, but prevents subsequent refilling of the container. In one embodiment, the valve includes a valve core having a retaining means for maintaining the valve core in an open or non-sea... | 01/29/2008 |
| 7293578 | Gauge assembly having a stop fill device A gauge assembly includes an indicator for providing an indication of an amount of fluid in a tank and a stop-fill assembly for stopping the flow of fluid flowing into the tank once the fluid reaches a particular level. The gauge assembly has a shaft that rotates as... | 11/13/2007 |
| 7290556 | Fire collar A fire collar or fire damper for location within a concrete slab of a building. The device incorporates a damper arrangement (12) and a heat detector (18, 19) comprising a metal alloy or lead which melts when a present temperature is reached, causing t... | 11/06/2007 |
| 7273069 | Pressure activated shutoff valve An apparatus for providing a pressurized gas inline valve assembly incorporating a check valve to maintain pressure above a selectable psi and a ball valve for selectively shutting off gas flow. The apparatus is preferably positioned approximate the gas source in a ... | 09/25/2007 |
| 7264019 | Controlled-flow hydraulic distributor The hydraulic distributor exhibits a cylindrical and internally-hollow body (2) having an inlet chamber (3) for a fluid and an outlet chamber (4) which are interconnected directly (by a communication conduit), or indirectly by an external distri... | 09/04/2007 |
| 7261107 | Breathable pressurized-gas reducing valve A reducing valve, which includes a water trap, especially useful in diving. ... | 08/28/2007 |
| 7225834 | Recreational vehicle valve and connector assembly for rinsing a sewer hose A valve and connector assembly for interconnection with and rinsing of sewage hoses including sewage discharge hoses and connectors for Recreational Vehicles. The assembly comprises a connector for interconnection with a sewage hose having connectors compatible with... | 06/05/2007 |
| 7225810 | Valve for use in high pressure gas containers An on-off valve mounted in a high pressurized gas container, which has a holding portion for holding a flow amount controlling member in a path formed in an upper stream side of the body of the valve, and in which a flow amount controlling member is movably held. In... | 06/05/2007 |
| 7219687 | Resettable bi-stable thermal valve A resettable thermal valve for controlling the flow of a fluid therethrough comprises a valve assembly housing having a fluid passageway therethrough and a valve coupled to the valve assembly housing and disposed at least partially within the fluid passageway. The v... | 05/22/2007 |
| 7185674 | Fluid flow control valve A fluid flow control valve is disclosed. This valve includes a housing which defines a central passageway having fluid inlet and fluid outlet openings. A pressure responsive element is disposed within the passageway for selectively opening and closing the inlet open... | 03/06/2007 |
| 7185668 | Closing device for fluid passage A valve device for automatically closing a gas pipe when a fire breaks out. The valve device includes a gas thermosensitive generating composition, which decomposes and generates a large amount of gas within a short period when exposed to a high temperature. The val... | 03/06/2007 |
| 7182099 | Tap for gas or liquid cylinder A tap for a gas or liquid cylinder is provided that comprises an inverted seat primary valve located in a main portion of a tap body and a secondary check valve spring biased into closed position and located below the lower end of a threaded section of a root end po... | 02/27/2007 |
| 7178556 | Modular component connector substrate assembly system A modular component connector substrate assembly for mounting thereon of at least one fluid control component, the assembly including at least two substrate blocks or one substrate block and an end block, all in fluid communication with each other via internal passa... | 02/20/2007 |
| 7174915 | Water re-circulation valve A valve is provided for use in a domestic water re-circulation system The valve has a unitary body member that includes an upstream end and an upstream portion disposed adjacent to the upstream end. The body member also includes a downstream end and a downstream por... | 02/13/2007 |
| 7174911 | Fire hydrant with second valve Fire hydrants which feature additional structure for reducing the potential that those with ill intent can foul municipal water supplies by introducing toxins or other materials into fire hydrants. Various embodiments include valves which close off portions of the h... | 02/13/2007 |
| 7172027 | Expanding tubing A method of expanding tubing downhole comprises providing a section of expandable tubing of a first diameter, and axially compressing the tubing to induce buckling, such that the buckled portion describes a larger second diameter. The resulting diametric expansion m... | 02/06/2007 |
| 7168450 | Valve adapter An adaptive fitting for valves. The adaptive fitting has a fitting body having a first end and a second end. The fitting body defines an inner passageway extending from the first end of the fitting to the second end. The fitting is provided with a valve-engaging por... | 01/30/2007 |
| 7168497 | Downhole sealing A method of providing a downhole seal, such as a packer, in a drilled bore between inner tubing and outer tubing comprises: providing an intermediate tubing section defining a seal arrangement for engaging with the inner tubing; and radially plastically deforming th... | 01/30/2007 |
| 7152617 | High pressure release safety valve assembly A safety valve assembly for use with a global manual valve which is installed on a high pressure cylinder or container. The safety valve assembly has a main body that is threaded into the lower bore of the global manual valve. A poppet valve slides into the bore of ... | 12/26/2006 |
| 7152629 | Fluid control device Line interconnecting means 50 comprises lower channel blocks 51 each having a line interconnecting channel 54 and arranged in an upper stage of lines B1, B2, B3 to be interconnected, at the same position with respect to the ... | 12/26/2006 |
| 7150299 | Assembly and method for containing, receiving and storing fluids and for dispensing gas from a fluid control and gas delivery assembly having an integrated fluid flow restrictor A fluid control and gas delivery assembly and method for containing, receiving and storing hazardous fluids and for dispensing gas comprising a container, a fluid fill path, a gas dispensing path, a first shut-off valve, a pressure reducer, a fluid flow restrictor, ... | 12/19/2006 |
