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| Number | Title | Issue Date |
| 7497230 | Priming pump with reed valve A fluid priming pump in combination with a reed valve for the control of incoming and exiting fluid flow is disclosed. The fluid priming pump includes a pump body and a movable plunger with the reed valve positioned adjacent the pump body. Two embodiments of the ree... | 03/03/2009 |
| 7363939 | Bleed valve A bleed valve (1) for a pipe into which a non-return function is integrated. The bleed valve is preferably designed to be a thermal valve. ... | 04/29/2008 |
| 7360556 | Check valve A check valve is provided, including a first hose connector housing defining an entry passage and a first valve seat, a second hose connector housing engaging the first hose connector housing and defining an exit passage, a generally flexible, perforate membrane dis... | 04/22/2008 |
| 7335083 | Sheet type balloon A sheet type balloon has a blank, colorable area partly formed on an outer surface of a body, so the balloon is available for coloring or studying materials as well as typical playing materials. The balloon further has a valve assembly having bi-directional function... | 02/26/2008 |
| 7302971 | Umbrella valve and assembly An umbrella valve includes an umbrella-valve body having a stem, a flexible umbrella, and a flange. The umbrella and the flange are each attached to, and extend radially outward from, the stem. The flange has at least one fluid passage. The umbrella valve can be pla... | 12/04/2007 |
| 7299801 | Metering valve for a metered dose inhaler providing consistent delivery The present invention relates to a novel design for a metering valve that provides improved consistency of formulation delivery. Generally, the metering valve includes (a) a valve stem that generally defines a longitudinal axis and includes a body portion having a m... | 11/27/2007 |
| 7267669 | Two site infusion apparatus An apparatus for use in delivering pain medication to separate locations from a single source of pressurized medication includes a valve housing, a cap, and a flexible diaphragm. The valve housing includes a first end and a second end and an inlet passage. The first... | 09/11/2007 |
| 7237572 | Check valve A check valve includes two opposing sheets surfaces that are coupled together to form a flow channel there between. The flow channel has a first end, a second end and at least one direction-changing portion in between the first and second ends. A first opening is pr... | 07/03/2007 |
| 7234460 | Metering valve for a metered dose inhaler providing consistent delivery The present invention relates to a novel design for a metering valve that provides improved consistency of formulation delivery. Generally, the metering valve includes (a) a valve stem that generally defines a longitudinal axis and includes a body portion having a m... | 06/26/2007 |
| 7178548 | Dry safety device for an inflammable gas A dry safety device for an inflammable gas comprises a case main body having a gas passage which terminates at one end in a primary side open port connectable to a source of inflammable gas and terminates at the other end in a secondary side open port connectable to... | 02/20/2007 |
| 7175336 | Graft delivery system The invention relates to a manifold for mixing biomedical fluids having superior stability and minimal susceptibility to clotting. ... | 02/13/2007 |
| 7074022 | Discharge valve assembly for reciprocating compressors A reciprocating compressor including cylinder block with a plurality of cylinder bores. A piston is positioned in each bore and mounted to move in response to the a crankshaft, causing each piston to reciprocate within the cylinder bore. The compressor further inclu... | 07/11/2006 |
| 7063520 | Suction valve assembly of reciprocating compressor In a reciprocating compressor including a piston slide-inserted into the compression space of the cylinder, having a gas path therein, inducing a fluid into the compression space through the gas path and varying a volume of the compression space while performing a l... | 06/20/2006 |
| 7032620 | Valves and methods for manufacturing the valves Valves and methods for manufacturing the valves are disclosed. The valves are formed from a plurality of flexible polymer layers. A radio frequency bonding process, or the like, is utilized to form welds between the various layers. In general, a sub-assembly is form... | 04/25/2006 |
| 7007715 | Pressure release valve A shaft part is coaxially provided within a pressure release port provided in a sealing plate sealed to an opening portion of a case for a condenser or a battery, a valve body closely fitted and fixed within the pressure release port has a seal lip which is directed... | 03/07/2006 |
| 6963484 | Airflow blocker component that comprises a flexible flap portion An airflow blocker component of an apparatus in one example is coupled with a support component. The airflow blocker component comprises a flexible flap portion that is bendable away from the support component into a position that directs one or more airflow portion... | 11/08/2005 |
| 6951228 | Bulk compounder manifold The present invention provides a manifold for receiving fluid tubes in a bulk compounder. In its simplest form, the manifold includes a plurality of inlets, each inlet defining an opening to a respective fluid passageway, and each passageway contains a check-valve. ... | 10/04/2005 |
| 6936162 | Three valve filter element support for filter cartridge A unitary three valve filter element support is used in a filter cartridge in which the filter cartridge includes an annular filter element within a housing closed by an end plate having a central opening surrounded by an array of radial openings spaced a fixed radi... | 08/30/2005 |
| 6932110 | Unidirectional valve appliance The invention relates to a unidirectional valve appliance, in particular a low pressure check valve for use for an infusion comprising a housing with an inlet and an outlet, and with at least one gasket in a pressure chamber. To prevent air entry into the infusion f... | 08/23/2005 |
| 6912783 | Method of manufacturing a valve plate for compressor In a manufacturing method of a valve plate for a compressor according to this invention, a punch die 43 formed with a convex and concave configuration at its tip end face 42 is set at a press machine 41, and the punch die 43 is depressed ... | 07/05/2005 |
| 6820652 | Multi-channel valve A multi-channel valve having a valve seat, a valve seal, and valve seal housing. The assembly of the apparatus creates a plurality of inlet, exit, and cross channels enclosed by elastomeric portions of a valve seal. The elastomeric portions of the valve seal create ... | 11/23/2004 |
| 6793808 | Combination valve support and sealing element for filter cartridges A valve support and sealing element 23 for use with a filter cartridge is in the form of a molded unitary body (FIG. 2). The body includes (i) a first annular section 30 projecting into the filter hollow core 13 and having a sealin... | 09/21/2004 |
| 6736613 | Acceleration fuel pump having a resilient check valve member for a combustion engine carburetor An acceleration fuel pump for use with a combustion engine carburetor is an integral part of the carburetor body and provides an additional flow of fuel to the fuel-and-air mixing passage of the carburetor during acceleration of the engine. The acceleration fuel pum... | 05/18/2004 |
| 6729345 | Sealing valve arrangement A sealing valve arrangement (12) for a container containing a fluid, wherein a supporting element (14) comprising a control channel (15) in the border region of the supporting element (14) and a securing element (16) comprising a p... | 05/04/2004 |
| 6681796 | Drainage valve pipe tap assembly A drainage valve tap assembly for connection of a branch line to a main line while simultaneously forming a freeze proof drain comprising a hollow body having a first end and a second end, a cutting tube attached to the first end of the body; a handle hav... | 01/27/2004 |
| 6537040 | Radial piston pump The invention is based on a radial piston pump (1) with a pump body (2), in which pump body (2) are placed pistons (4), and cylinders (5) arrayed radial to a cam (14) and the pistons (4) upon an inward thrust suck in fluid by means of suction side intakes... | 03/25/2003 |
| 6494694 | Disposable infusion cassette with low air bubble retention and improved valves A disposable cassette for use with a medical infusion pump. An elastomeric membrane is captured between a facing member and a base of the cassette and is displaced into a pumping chamber. The elastomeric membrane includes a generally T-shaped lip, and cor... | 12/17/2002 |
| 6416298 | Radial piston pump The radial piston pump has a number of cylinder bores in a pump housing to accommodate pistons which slide into them; the cylinder bores are plugged by pressed-in stoppers (3) in which pressure channels are incorporated, all stoppers being sealed by a fla... | 07/09/2002 |
| 6397878 | High pressure hose drop backflow/back siphonage preventers A backflow and back-siphonage preventer assembly, consisting of a ball valve and a double check valve backflow preventer with an atmospheric vent, provides isolation protection on high pressure plumbing supply lines, such as high pressure hose drops used ... | 06/04/2002 |
| 6378552 | Dual speed flow control valve An exemplary embodiment of the invention is a dual speed air control valve including a first sheet having an aperture therein and a second sheet continuously secured to the first sheet along a periphery of the first and second sheets. Further, a third she... | 04/30/2002 |
| 6378542 | Flow control device having a lip seal and compressible bypass pads and associated method for operating an appliance water valve A water valve assembly includes a valve component having defined therein a central cavity and a bypass channel. The water valve assembly also includes a flow control device positioned in the central cavity. The flow control device has defined therein a fl... | 04/30/2002 |
| 6364861 | Multi-valve injection/aspiration manifold An IV manifold includes a plurality of injection/aspiration ports and has an elongate configuration with a width greater than the diameter of the ports. A flow channel is formed between mating members of a housing and provided with a U-shaped configuratio... | 04/02/2002 |
| 6328227 | Device for producing a lubricant mist in a compressed air line Device for generating a lubricant spray in a compressed air line having an air passage channel (2) in a housing (1), a regulating valve (5), in particular a proportional valve, which can change, via a control flap (14), the free cross-section of passage b... | 12/11/2001 |
| 6305413 | Mixing adaptor system A mixing adaptor enables a material to be transferred from a first delivery means to a second delivery means and enables another material to be transferred from the second delivery means to the first delivery means. The adaptor has (i) a hollow main body ... | 10/23/2001 |
| 6273124 | Check valve floor drain An improved floor drain for buildings, basements, exterior paved areas, and the like. The invention provides floor drain assemblies and check valves providing improved drainage performance, particularly where drainage is an irregular occurrence, and havin... | 08/14/2001 |
| 6234196 | Mixing adaptor and system A mixing adaptor enables a material to be transferred from a first delivery means to a second delivery means and enables another material to be transferred from the second delivery means to the first delivery means. The adaptor has (i) a hollow main body ... | 05/22/2001 |
| 6136183 | Relief valve for filter device A relief valve for an oil filter device integrally formed with a check valve has an annular shape, and has a front end portion, a guiding portion, a sealing portion, a recess portion, and a groove portion. The relief valve is attached to a protector only ... | 10/24/2000 |
| 6096199 | Oil filter cartridge with temperature sensitive bypass valve A lubricating oil filter cartridge is disclosed herein. The filter cartridge includes a bypass valve configured and arranged for opening at a selected oil pressure that is substantially higher at low oil temperatures than at the higher operating temperatu... | 08/01/2000 |
| 6089260 | Nested duckbill check valves Disclosed herein are check valve assemblies with enhanced back flow protection. There are at least two duckbilled check valves, each having an inlet at one end and an elastomeric bill formed at an opposite end, the bill having opposed lips and an outlet o... | 07/18/2000 |
| 6085773 | Automatic fluid switching valve An automatic fluid switching valve is disclosed. The switching valve includes first, second and third ports and a valve member controlling fluid flow between the ports. The valve member substantially prevents fluid from flowing: (a) from the third port to... | 07/11/2000 |
