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| Number | Title | Issue Date |
| 8096318 | Valve flap for a plumbing valve A valve flap for a plumbing valve, includes a body having a first face, a second face, a top and a bottom. A pivotal mounting is provided in the vicinity of the top. A curved lower snake deflecting contact face is provided in the vicinity of the bottom, adapted to f... | 01/17/2012 |
| 7357023 | Modular inserts comprising check valves for flow meters The present invention relates to an apparatus and method for upgrading fluid meters with improved modular check valve technology. The check valve module is secured within the meter using only external fasteners. The check valve module may also include a seal. The se... | 04/15/2008 |
| 7354007 | Therapeutic training straw A drinking straw for controlling the intake of beverages, comprising an elongated hollow member having at least two open ends, at least one end being a suction end adapted for application of a suction force, and at least one end being a liquid end adapted for immers... | 04/08/2008 |
| 7337790 | Dishwasher Disclosed is a dishwasher, in which upper and lower pipes are opened/closed using a water pressure to simplify a configuration of the dishwasher and to reduce product costs. The present invention includes a washing chamber, top and bottom nozzles injecting water in ... | 03/04/2008 |
| 7328721 | Flow rate controller A flow rate controller for controlling the flow of a medium, includes an incoming channel, a measuring chamber, a running flow channel connecting the incoming channel and the measuring chamber, a control valve acting in the running flow channel, and an outflow chann... | 02/12/2008 |
| 7322191 | Device for imparting a whirling motion on the flow of air for supplying a turbo-supercharged internal-combustion engine A device for imparting a whirling motion on the flow of air for supplying a turbo-supercharged internal-combustion engine is designed to be interposed in the duct for supplying the air upstream of the supercharger for supercharging the engine. The device comprises a... | 01/29/2008 |
| 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 fluid being pressurized to a second pressure at approximately 5.5 times ... | 01/29/2008 |
| 7302967 | Reverse flow preventing device and electronic apparatus A reverse flow preventing device arranged in a flow path of fluid formed by a fan and an electronic apparatus equipped with the same. The reverse flow preventing device has a frame, a plurality of support shafts arranged about the center of the frame and mounted on ... | 12/04/2007 |
| 7275560 | Pressure relief door for air duct work A pressure relief door system for use in a duct for relieving positive or negative pressure within the duct includes a frame to be mounted in the duct; a gasket in the frame; a hinged door mounted on the frame and sealing against the gasket; and an adjustable pressu... | 10/02/2007 |
| 7273062 | Shut-off valve for preventing the flow of liquid through a conduit, and related processes A shut-off valve for preventing the flow of liquid through a conduit is described herein. The valve includes a valve body which defines a fluid passage, a portion of which can be venturi-shaped. The valve also includes a flow barrier which has a dimension sufficient... | 09/25/2007 |
| 7249611 | Check valve A top entry check valve including a valve body with an access port. A compressible hanger body engages a portion of the valve body and is positioned in alignment with the access port of the valve body. A clapper is connected to the hanger body so that the clapper is... | 07/31/2007 |
| 7243685 | High pressure closure A closure includes a hub having a bore in fluid communication with the port of a vessel. A door is removably positioned within the bore of the hub, and a locking ring is threaded with the hub thread for moving the door to a closed and circumferentially sealed positi... | 07/17/2007 |
| 7240378 | Flange valve A flange valve to deter entry of rodents and pests, insertable on existing devices, comprising a unidirectional swinging door attached on an inner wall of a frame, the door and the inner wall of the frame having a clearance between them of a dimension not allowing e... | 07/10/2007 |
| 7220273 | Control of airflow to an inflatable thermal device Airflow provided through an air hose to the inlet port of an inflatable thermal device is controlled by a mechanical device disposed at an end of the air hose that is coupled to the inlet port. In response to coupling the end of the air hose to the inlet port, the m... | 05/22/2007 |
| 7191666 | Check valve module for flow meters The present invention relates to an apparatus and method for improved check valve technology used in flow meters, particularly compound/combo meters. The improved check valve technology may be comprised in a single piece module that (1) can easily be removed from th... | 03/20/2007 |
| 7152622 | Check valve A top entry check valve including a valve body with an access port. A compressible hanger body engages a portion of the valve body and is positioned in alignment with the access port of the valve body. A clapper is connected to the hanger body so that the clapper is... | 12/26/2006 |
| 7144320 | Air distribution arrangement for rack-mounted equipment An air distribution arrangement is adapted to be arranged in a cabinet for housing rack-mounted equipment that generates heat in use. The arrangement can be part of the cabinet when constructed or it can be an add-on feature. The arrangement includes plenum structur... | 12/05/2006 |
| 7137405 | Low pressure check valve A check valve for preventing backflow of media including a valve movably coupled to a carrier body, the valve including a flexible membrane disposed therein such that the flexible membrane flexibly engages an aperture in the carrier body to prevent backflow of media... | 11/21/2006 |
| 7134448 | Transducer for monitoring the position of a movable body A transducer for monitoring the position of movable bodies and in particular for monitoring the position of valve flaps and other elements in connection with systems for fire extinction, is composed of a pipe (4) which is closed at one end and thus forms a ho... | 11/14/2006 |
| 7121527 | Intercept valve for spray guns for water cleaner apparatus The spray gun is subdivided into a first body (4), in ternally of which a cavity (6) is afforded, and a second body (5) which is perpendicular to the first body (4) and internally afforded a through hole (25) communicating with the... | 10/17/2006 |
| 7114301 | Flashing for inclined roof and method for installing the same Disclosed is a flashing for weatherproofing an aperture made in an inclined roof to allow passage of a vertical member such as chimney through the inclined roof. This flashing has a base member adapted to be mounted over the aperture and a surrounding member that is... | 10/03/2006 |
| 7108010 | Check valve position detector A position detector for a check valve, including a bracket with a support arm, adjustable securing members adapted to rigidly secure the bracket to a check valve arm, a tilt switch, a connector, a circuit status indicator, a wire connector for both the tilt switch a... | 09/19/2006 |
| 7104333 | Dry pipe valve for fire protection sprinkler system A differential-type dry pipe valve for a fire protection sprinkler system has a ratio of effective air sealing area to service water sealing area that is smaller than a ratio of service water pressure to system air pressure at which the fire protection sprinkler sys... | 09/12/2006 |
| 7062953 | Sampling tube-type smoke detector In a sampling tube-type smoke detector equipped with a smoke detection device detects smoke particles contained in the air suctioned from a monitored area through a sampling tube by an aspirator positioned in the downstream. The smoke detection device the sampling t... | 06/20/2006 |
| 7025086 | Reverse flow preventing device and electronic apparatus A reverse flow preventing device arranged in a flow path of fluid formed by a fan and an electronic apparatus equipped with the same. The reverse flow preventing device has a frame, a plurality of support shafts arranged about the center of the frame and mounted on ... | 04/11/2006 |
| 7004194 | Check valve with pressure relief feature A check valve has a valve body and flapper. The flapper has a gasket which is sandwiched between a flapper base and a flapper cover. The flapper base has a flapper base stem which extends through an aperture in the gasket is retained within an aperture in the flappe... | 02/28/2006 |
| 6997205 | Inlet protection apparatus and method An apparatus and method for substantially preventing access to an inlet of a vent. The apparatus may comprise a housing attachable to the inlet of the vent and having one or more traps position therein to block insertion of a fluid insertion device through the housi... | 02/14/2006 |
| 6971398 | Hydrodynamic-force-responsive baffle for liquid treatment basin A baffle controls the normal process flow of liquid in basins of liquid treatment equipment, but releases uncontrolled flow of the liquid caused by events such as seismic events. Methods provide an unbent blank for making such baffle with a hinge member to facilitat... | 12/06/2005 |
| 6932100 | Flapper type fill tube check valve A flapper valve for push-in snap-lock attachment to a spud to be welded to a fuel tank and attached to a flexible filler tube hose. The flapper has an annular flexible seal overmolded thereon, preferably of elastomeric material. The flapper has a pair of trunnions, ... | 08/23/2005 |
| 6929243 | Butterfly valve The butterfly valve comprises a disk which is provide with at least one protuberance over at least a portion of at least one of its faces. Quite unexpectedly, the use of such a disk makes it possible to improve considerably the quality of the cleaning of the valve a... | 08/16/2005 |
| 6915961 | Spill proof straw There is provided a drinking straw assembly. The assembly has a first straw portion and a housing that can be removably secured to the first straw portion. The housing has a housing cavity, and a valve that can be removably connected to the housing cavity. The valve... | 07/12/2005 |
| 6901954 | Safety relief valve A safety relief valve is provided for use in association with a liquid storage tank. The safety relief valve generally includes a valve base, a valve seal plate, a hinge mechanism and a lever mechanism. The valve seal plate is pivotally coupled to the valve base by ... | 06/07/2005 |
| 6848468 | Drain cover assembly A drain cover assembly includes a closure device operable so as to close and open a drain hole in a cover plate of a drain cover unit. The closure device includes a pivot arm having a mounting portion connected pivotally to the cover plate, a flow control portion ex... | 02/01/2005 |
| 6830065 | Duct connector apparatus and method The duct connector of the present invention preferably has a rectangular inlet and a round outlet. An intermediate passage is located between the rectangular inlet and the round outlet. Preferably, the intermediate passage provides a smooth transition that is substa... | 12/14/2004 |
| 6823905 | Inflation valve assembly for a dunnage or cargo air bag An inflation valve assembly, for a dunnage or cargo air bag, comprises an annular flange member which is adapted to be heat-sealed to an interior surface portion of one of the plies of the inflatable bladder of the air bag, and an externally threaded nipple portion ... | 11/30/2004 |
| 6810963 | Dry pipe valve for fire protection sprinkler system A differential-type dry pipe valve for a fire protection sprinkler system has a ratio of effective air sealing area to service water sealing area that is smaller than a ratio of service water pressure to system air pressure at which the fire protection sprinkler sys... | 11/02/2004 |
| 6789568 | Fluid flow control mechansim A fluid flow control mechanism includes a crossover fuel assembly which controls fuel flow between tanks such that an engine fuel intake pipe remains submerged. It is for a work vehicle with a fuel system which has two tanks, three flexible couplings, a tube assembl... | 09/14/2004 |
| 6782916 | Flapper valve system A fuel system for a work vehicle such as a tractor includes a pair of fuel tanks located on either side of the vehicle that are connected by a cross feed fuel line. The fuel line permits fuel to flow from both tanks to a common fuel suction line, which, in turn, fee... | 08/31/2004 |
| 6691736 | Waterproof valve of exhausting tube A waterproof valve of an exhausting tube comprises a tube body, a check portion, a check piece and a ball. An upper end of the check portion has two assembling holes. A check piece having two tip points at two side of the distal end thereof and a distal e... | 02/17/2004 |
| 6685557 | Building ventilation air inlet assembly A building ventilation air inlet assembly for providing an adjustable venting assembly to permit automatic inlet of air includes a housing, an air opening extending through the housing, a valve plate pivotally coupled to the housing for selectively coveri... | 02/03/2004 |
