Bizarre Patents
Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7357143 | Regulator and gas supply method using the same A regulator comprises a body including an inflow line, an outflow line, and a buffer space, the buffer space being provided between the inflow line and the outflow line, and a switch for opening and closing a flow path of a fluid flowing from the inflow line to the ... | 04/15/2008 |
| 7237573 | High pressure, low flow rate fluid flow control An adjustable high pressure, low flow metering valve provides a sleeve extending about a restrictor shaft, the sleeve having a narrow helical groove formed in the inside diameter. A restrictor shaft within the sleeve encloses the groove and forms a sealed helical fl... | 07/03/2007 |
| 7178975 | Device and method for creating vortex cavitation in fluids Devices for mixing and/or reacting combinations of one or more liquids, gases or solids is provided. The device can generally have at least one cavity into which a fluid flows by way of a tangential orifice, thereby forming cavitation bubbles. The cavity is configur... | 02/20/2007 |
| 7028976 | Closure element, especially a valve cone for a continuous pressure valve A closing body is mounted in an axially displaceable manner in a bore of a fluidic valve to control a pressure medium flowing via the valve. The closing body has a sealing section, interacting with a seating edge of valve, and a guide section which serves to guide t... | 04/18/2006 |
| 7017611 | One-piece manifold for a reverse osmosis system A one-piece manifold for a reverse osmosis system includes a filter configured to receive water from a water port and a membrane configured to receive filtered water via a first conduit. The membrane is also configured to send permeate water to a reverse osmosis tan... | 03/28/2006 |
| 6981689 | Hybrid flow metering valve Presented is a flow metering valve that can precisely and accurately regulate the volume of the fluid-flow through entire range of measured flows. The valve comprises tubular body and moving stem in it. One end portion designated as a leading has threadely engaged s... | 01/03/2006 |
| 6935371 | High capacity globe valve A high flow globe valve with a body defining an interior cavity in communication with a first and second fluid passages. A tubular throttling cage is offset in the cavity away from the second fluid passage and has an open end in communication with the first fluid pa... | 08/30/2005 |
| 6877306 | Nozzle assembly with flow divider and ecology valve A fuel system having an ecology valve controlling liquid flow through a retention passage when pressurized liquid is passed through the valve is presented. The retention passage winds between the valve outlet and a cavity such that no matter which way the valve is o... | 04/12/2005 |
| 6860230 | Spring stem A stem for a watering nipple for use in supplying water to poultry is provided. At least a portion of the stem is hollow and formed of coiled material in a manner similar to that of a coiled spring such that the stem has a number of turns and minuscule gaps provided... | 03/01/2005 |
| 6772786 | Self-contained hydraulic ESD system A hydraulic control circuit, comprising a control line connected to a device to be controlled by fluid pressure in the control line; a time-out valve on the control line, the time-out valve having a time-out period during which time-out period operation of the time-... | 08/10/2004 |
| 6748899 | Spring stem The invention provides a stem for a watering nipple for use in supplying water to poultry. The stem is hollow and formed of coiled material in a manner similar to that of a coiled spring such that the stem has a number of turns and minuscule gaps provided between ad... | 06/15/2004 |
| 6644620 | Dispensing valve with helical flow orifice A dispensing valve is shown that controls the flow of a fluid, the valve having a housing containing a cylindrical/tubular passageway between an inlet and outlet of the valve. A rod like closure member is operable to move through the passageway from a fir... | 11/11/2003 |
| 6581902 | Self-cleaning metering device In a fluid metering device for metering a fluid from a supply source to means of use of this fluid comprising a metering valve able to slide in a sleeve over a travel C, this valve comprising an intake orifice (16) for admitting the fluid from the said su... | 06/24/2003 |
| 6565063 | Helical choke for brake valves A choke for a brake control valve coming within the physical space limitation by forming a helical choke path. The choke includes a body having a passage and a plug in a passage. The helical path is created between and defined by the passage and the plug ... | 05/20/2003 |
| 6460561 | Valve piston and valve equipped with same Pressurised medium apparatus with a valve.... | 10/08/2002 |
| 6398543 | Method and flow control device for delivering fuel oil to a low firing rate fuel oil burner A method for delivering fuel oil from a pressurized fuel oil source to an airblast atomizer subassembly on a low firing rate fuel oil burner includes providing a flow control device having a body defining a bore extending between and inlet end of the bore... | 06/04/2002 |
| 6378558 | Valve on the basis of electrorheological and/or magnetorheological fluids A valve (1) on the basis of electrorheological and/or magnetorheological fluids includes a fluid inlet channel (3) connected through a valve gap (5) to a fluid outlet channel (4). The valve gap is filled with an electrorheological and/or magnetorheologica... | 04/30/2002 |
| 6354326 | Toilet fill valve with improved noise abatement A toilet fill valve includes a housing defining a water fill passage and a water inlet. A valve disposed in the passage divides the housing into a upstream portion and a downstream portion. A pressure regulator vertically oriented in the downstream portio... | 03/12/2002 |
| 6283148 | Standing valve with a curved fin A valve for use in a sucker rod actuated fluid pump including a traveling valve assembly and a standing valve assembly within which a vortex is believed to be created to draft the ball check valve from its seat during the stroke of the sucker rod and ther... | 09/04/2001 |
| 5964247 | Fill valve A fill valve has a main valve with a valving surface contacted by a valve disk. A series of offset radial paths separated by a toroidal path permit free radial flow at full open and quiet tortuous flow as the valve closes. Removal of a cap permits access ... | 10/12/1999 |
| 5819775 | Low flow rate valve An improved control valve to control very low rates of flow having a valve body housing a throttle mechanism. The throttle mechanism comprising a bore and throttle plunger, having a helical exterior groove, sized with an annular passage therebetween. The ... | 10/13/1998 |
| 5799691 | Device for feeding a gaseous fluid through a bed of bulk material A device for feeding a gaseous fluid radially from a center of a vessel outwards, including a central vertical gas feed tube having at least one vertical row of discharge openings, a catalyst bed of bulk material accommodated in a perforated basket, which... | 09/01/1998 |
| 5775423 | Valve for a two way hydraulic drilling jar and a two way hydraulic drilling jar A valve for a two way hydraulic drilling jar which includes a hollow cylindrical member having an exterior surface, an interior surface, a first end and a second end. At least one spiral-form fluid bypass passage is positioned in each of the first end and... | 07/07/1998 |
| 5738141 | WC-cistern filling valve The present invention relates to a WC-cistern filling valve comprising a liquid inlet assigned to a supply line, a liquid outlet assigned to the cistern, and a closing element which is assigned to a valve passage opening arranged between liquid inlet and ... | 04/14/1998 |
| 5732929 | Anti-hammer pilot operated valve with tortuous flow path between inlet and pilot chamber A soft closing liquid valve of the pilot control type including an inlet chamber, an outlet chamber, a third pilot chamber, a first conduit for liquid communication between the inlet chamber and the third chamber and a second conduit for fluid communicati... | 03/31/1998 |
| 5676173 | In-line venturi An apparatus for inserting a venturi tube having an inlet, an aspirator inlet and an outlet directly within a fluid flow stream, with the aspirator inlet not in contact with the fluid flow stream is disclosed. A plate having a first aperture leading to th... | 10/14/1997 |
| 5645264 | Tilted seat diaphragm valve Flow control valve with round tilted valve seat and pivotally mounted matching spherical valve plug for leak tight shut off with generous Mfg tolerances and low pressure drop. Method shown for automatically limiting bleed flow during valve open and automa... | 07/08/1997 |
| 5570843 | Fuel injection valve with semicircular flattenings A fuel injection valve includes a valve-closure member which is provided with semicircular flattenings. The deflecting surfaces delimiting the flattenings and formed obliquely to the longitudinal valve axis cause a rotational energy to be applied to the f... | 11/05/1996 |
| 5553786 | Low volume irrigation device for horticulture and agriculture crops A spray and drip irrigation device connectable to a low volume irrigation tube comprises a lower member connected to the irrigation tube and formed with an exterior thread along a part of its outer surface along which an upper member threadedly moves to s... | 09/10/1996 |
| 5549131 | Automatic recirculation valve An automatic recirculation valve having a body portion, a central hub integral with said body portion and inlet, main outlet and recirculation outlets. A main valve element responsive to flow from said inlet to said main outlet includes a hollow stem form... | 08/27/1996 |
| 5495963 | Valve for controlling pressure and flow A variable restrictor valve for use in an intermittent dispensing system having a recirculation loop. The restrictor valve establishes a more linear relationship between the amount of adjustment made thereto and the resulting pressure drop over the restri... | 03/05/1996 |
| 5301640 | Engine valve An engine valve includes a valve head having a helical top wall arranged to enhance turbulence in an associated combustion chamber of an internal combustion engine to enhance mixing and effective efficiency during the combustion procedure.... | 04/12/1994 |
| 5280803 | A valve arrangement An hydraulically assisted inlet valve is disclosed having a by-pass passage (32) which is permanently open. Preferably the valve has a valve body (13) reciprocally mounted in the inlet (4) and carried by a diaphragm (23). The by-pass passage preferably ex... | 01/25/1994 |
| 5251789 | In-home drink dispenser A post mix in-home carbonated drink dispenser has a novel expansion chamber and an anti-surge valve. The expansion chamber is a gradually expanding chamber which reduces carbonation loss as the carbonated liquid passes from the carbonator to the point whe... | 10/12/1993 |
| 5199648 | Fuel injection valve Herein disclosed is a fuel injection valve of electromagnetic control type, which is to be used in a gasoline engine. The fuel injection valve has a tubular control valve 5 fitted in a nozzle body 4, and an armature 7 is fitted on and welded to the outer ... | 04/06/1993 |
| 5040770 | Device for transforming a laminar fluid flow into drops A device for transforming a laminar fluid flow into drops, especially infusion fluids, comprises an inlet unit tightly placed into an intermediate unit. A cylinder of the inlet unit is, on its outer circumference, provided with a screw-shaped channel exte... | 08/20/1991 |
| 4976462 | Water cooling means for engine An improved thermostat arrangement for an internal combustion engine and an associated cooling system for the engine. The thermostat is designed so as to introduce a swirl in the thermostat housing to reduce pulsations in the coolant. In addition, the eng... | 12/11/1990 |
| 4953594 | Flow control A metering device for adjusting a flow rate of a flow of liquid comprises a flow-rate adjusting device including a rotatable adjusting member, and an actuating member for rotating the adjusting member. The actuating member is connectable with the adjustin... | 09/04/1990 |
| 4936342 | Fuel pressure control valve device A fuel pressure control valve device comprising: a case; a fuel introducing port and a fuel discharge port; a diaphragm dividing the interior of the case into two chambers; an armature; a resilient member; a pole constituting a fuel passage for dischargin... | 06/26/1990 |
| 4860990 | Diaphragm type water inlet valve A volute chamber having an inflow port is provided at the inlet of an extraction hole of a diaphragm valve. The volute chamber is formed with a lid in a hollow portion of a synthetic resin material member of the diaphragm member. The volute chamber is for... | 08/29/1989 |
