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The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 7975985 | Rod activated valve for saving water A rod activated water valve includes a valve base that mates with a standard water faucet. A valve housing attaches to the second end of the valve base, and has an inward protruding lip at a bottom end. The valve includes a water flow chamber with a solid cylindrica... | 07/12/2011 |
| 7810787 | Animal watering valve having elastomeric diaphragm An animal watering valve has an elastomeric diaphragm disposed in a bore of a housing upstream of a valve seat and having apertures formed therethrough for the passage of water. A valve stem has a head clamped between the diaphragm and the valve seat and a tail that... | 10/12/2010 |
| 7789373 | Ball poppet valve with contoured control stem The invention relates to a ball poppet valve having a valve body, a cylindrical valve bore disposed in the valve body, a ball poppet for closing the valve bore and a movable control stem intruding into the valve bore. The control stem acts on the ball poppet, and th... | 09/07/2010 |
| 7677531 | Non-axial actuable valve capable of retaining both high and low pressures The present invention relates to improved fluid valves actuable by a non-axial movement of an actuation stem. The non-linear actuable valves embodied in the present invention maintain pressure containment through a novel approach over the prior-art. The exemplary em... | 03/16/2010 |
| 7387290 | Self locking air nozzle A self locking air nozzle for an inflatable product includes a mounting seat with a first through hole, a shoulder and a tubular extension extending from the mounting seat, a rotatable cylinder rotatably mounted on the shoulder, a driven sleeve received in the rotat... | 06/17/2008 |
| 7374217 | Two way non leaking flow valve with full-open capability A check valve for pick-and-place applications includes a valve housing with a chamber, and a chamber shuttle with a cavity. The chamber shuttle is accessible from outside the chamber and adapted to receive a suction head. The chamber shuttle is adapted to travel wit... | 05/20/2008 |
| 7347405 | Inlet valve for pneumatic tool An inlet valve is provided for a pneumatic tool. The pneumatic tool defines a space and a passageway communicated with the space. The inlet valve includes a housing and a plunger. The housing is movable in the space between a first position where it blocks the space... | 03/25/2008 |
| 7341239 | Valve in particular for a sanitary fitting The valve has a valve housing (39), in which a valve body (26) is mounted displaceably and preferably rotatably about its longitudinal axis (A). It has at least one valve seat (53, 54), with which the valve body (26) interacts. A button (... | 03/11/2008 |
| 7320336 | Plug incorporating pressure-sensitive valve A plug which is insertable into a outlet from a vessel, to seal the vessel so that it may hold liquid. To prevent overflow, the plug has an in-built valve which automatically opens when it experiences a predetermined threshold pressure. The threshold pressure can be... | 01/22/2008 |
| 7318450 | Mixing cartridge for single-lever mixing faucets A mixing cartridge for single-lever mixing faucets, which comprises a substantially cylindrical container accommodating a base disk, arranged proximate to one of the end faces of the container and moving two intake ports connectable respectively to a cold and hot wa... | 01/15/2008 |
| 7258322 | Manually operated switch for a faucet A manually operated switch for a faucet has a body, an inner pipe, a switching valve assembly. The body is hollow. The inner pipe is located inside of the body and has a flowing way. The flowing way is formed through the inner pipe. The switching valve assembly is s... | 08/21/2007 |
| 7219850 | Mechanical valve assembly A water spray nozzle assembly includes an internal channel that is sealable by an internal valve having a seat and a disc. A tilting member is operable to tilt the disc at least partially off of the seat, allowing water to flow through the internal channel. The disc... | 05/22/2007 |
| 7220226 | Removable operating device for a flexible endoscopic probe for medical purposes An operating device is provided which includes an instrument insertion conduit, having a distal end connectable to the operating channel input of a handle of an endoscopic probe, the proximal end of the instrument insertion conduit forming an instrument input for th... | 05/22/2007 |
| 7213586 | Exhaust gas recirculation valve Mechanical systems having anti-stick mediums applied thereto are provided. In one aspect, exhaust gas recirculation (EGR) valve systems having anti-stick mediums applied thereto are also provided. The anti-stick medium can be applied to any contacting surface, such ... | 05/08/2007 |
| 7207348 | Machine comprising a safety valve for the supply of pressurised fluid The safety valve comprises a body and an obturator movable in the body between a closed position (FIG. 2) and an open position (FIG. 3). It also comprises means for displacing the obturator in order to displace it towards its closed position when the p... | 04/24/2007 |
| 7143997 | Plug assembly for a faucet to automatically stop water flow A plug assembly for a faucet includes a casing adapted for engagement with the faucet, a cylinder securely received in the casing and having an isolator having a tapered through hole defined through the isolator and slits to communicate with the outlets of the cylin... | 12/05/2006 |
| 7093615 | Water saving faucet valve A water saving faucet valve includes an elongated body having inlet and outlet ends, and high and low pressure chambers interconnected by a coaxial flow channel. A valve stem is slidably retained in the flow channel to move between a lowered position, in which water... | 08/22/2006 |
| 7090195 | Faucet assembly A faucet assembly includes a faucet body, a valve seat, a control shaft, a sealing member, and a control handle. Thus, the control handle is located under the faucet body to facilitate a user operating the control handle, so that the control handle is operated easil... | 08/15/2006 |
| 7086639 | Low energy consumption electric control device for flushing system An electric control device (10) for a flushing system, of the type that includes an axial valve (18) whose shutter (22) is controlled by an axial rod (24) that is capable of being moved radially by a finger (26) actuated by an elec... | 08/08/2006 |
| 7077162 | Valving means for reducing hose line pressure during disconnect The relief valve assembly (10) includes a tube (24) having a circular threaded portion (30) adjacent a first end (28) that rotatbly receives an interconnection means. The tube other end has male threads (34) for connection to a wat... | 07/18/2006 |
| 7036795 | Valve apparatus for air tool A valve apparatus for an air tool which has a valve rotatably disposed in a cylinder portion of a body of the air tool in which an air motor is accommodated; and a lever fixed to the valve and slidably received within a slit-shaped opening formed in the cylinder por... | 05/02/2006 |
| 7036792 | Valve arrangement for a vacuum pump A valve arrangement for a vacuum pump includes a valve head displaceable substantially perpendicular to a flow direction of a fluid through the valve arrangement, a valve seat, and a valve spring for biasing the valve head into a flat abutment engagement with the va... | 05/02/2006 |
| 7036490 | Elastomeric vapor flow control actuator A canister purge valve for regulating fuel vapor flow between a fuel vapor collection canister and an intake manifold of an internal combustion engine. The canister purge valve includes a body defining a passage extending between a first port and a second port. The ... | 05/02/2006 |
| 7032881 | Switch mechanism for a pneumatic tool A switch mechanism for a pneumatic tool comprises a choke ring having an air hole disposed in an air passage of the pneumatic tool; A control rod is swayably inserted through the air hole with a first end of corresponds to a trigger of the pneumatic tool; A choke me... | 04/25/2006 |
| 7015409 | Power tool trigger A trigger assembly and a power tool. The trigger assembly includes a housing and a trigger. The trigger is movably supported by the housing and includes a support portion and a contact portion. The housing includes an opening, and the support portion at least partia... | 03/21/2006 |
| 7007502 | In-car hydration systems Systems and methods for a liquid delivery system for a race vehicle to provide the driver of the race vehicle with readily available cool fluids are disclosed. One embodiment is directed to an insulated bag mounted in the race vehicle having a collapsible fluid blad... | 03/07/2006 |
| 6994311 | Regulating vacuum valve A regulating vacuum valve comprises a valve body with a through-channel a closure member which is adjustable over a control path between a closed position of the regulating vacuum valve in which it contacts a valve seat and closes the through-channel and an open pos... | 02/07/2006 |
| 6981511 | Method and apparatus for servicing a pressurized system A method and apparatus for servicing a pressurized system is described. A purge fitting can be used to vent the pressurized system. Venting can release a gas, such as air, from the system. The pressurized system can be a climate control system (e.g., an air conditio... | 01/03/2006 |
| 6942195 | Valve for a water faucet A valve for a water faucet includes a barrel, a valve core received in the barrel, and a bottom cap mounted in the barrel and under the valve core. The valve core has a disk with multiple first ribs formed at an inner wall of a hole thereof. Each of the first ribs h... | 09/13/2005 |
| 6938578 | Drinking through and method of converting same Known drinking troughs with drinking valves (21), which are assigned to a water-supply line (20), and water-collecting bowls (24) assigned to said drinking valves are problematic when it comes to supplying young chicks automatically with water. ... | 09/06/2005 |
| 6923199 | Damage resistant valve assembly A tire air pressure valve assembly is described that has an air sealing surface disposed toward or inside the metal wheel of a vehicle, and a protective housing surrounding a portion of the valve. The valve has an external stem with a built in break away feature whi... | 08/02/2005 |
| 6908429 | Suction valve for a medical instrument A suction valve for an instrument includes a valve insert secured in a valve housing. A first sleeve connects the interior of the valve housing to a first suction channel of the instrument; and a sealing membrane seals a first portion of the interior of the valve ho... | 06/21/2005 |
| 6902704 | Injection pump assembly for a combinatorial reactor and related method An injection pump assembly 10 in a chemical delivery system for simultaneously delivering reagents into a combinatorial reactor system having multiple injectors. The assembly 10 has a plurality of injectors 12, each injector 12 being in f... | 06/07/2005 |
| 6886808 | Axially actuated drain valve for pools and spas An axially actuated drain valve for pools and spas mountable in a wall thereof. It includes a tubular body and a coaxial plunger. The body opens into the spa or pool at an inner end. The plunger has a passage opening near the outer end of its passage. A cylindrical ... | 05/03/2005 |
| 6880802 | Valve device A valve device having a novel vale seat plate is provided. The valve seat plate has an inlet opening, an outlet opening, a front side and a back side. A sealing case covers the front side and inlet and outlet pipes are attached to the back side to communicate respec... | 04/19/2005 |
| 6845927 | Compressed air pistol with blowout nozzle A pressurized fluid nozzle having a system carrier with a hose connection for supplying a pressurized medium and an outlet valve having at least one outlet nozzle. The system carrier is designed to accommodate an integrated, adjustable pressure-reducing valve. Furth... | 01/25/2005 |
| 6742680 | Dispensing valve for fluids A dispensing valve for fluids is disclosed which provides for ease of use by requiring only a minimal force exerted on the valve actuator to maintain the valve in an open position. A resilient valve actuator having the characteristics of a nonlinear spring is provid... | 06/01/2004 |
| 6739572 | Timing lock device for a faucet A timing lock device for a faucet includes a valve seat, a top cover, a locking washer, a relief rod, a locking valve shaft, and a compression spring. In use, the relief rod may be used to release the water pressure in the pressure storage chamber of the top cover. ... | 05/25/2004 |
| 6682045 | Valve opening/closing drive device A valve opening/closing drive device includes a main body case formed by press molding and connected respectively with an inflow pipe and an outflow pipe. A valve element is provided within the main body case for opening and closing an opening part and a ... | 01/27/2004 |
| 6659425 | Male coupling member with improved flow ports An undersea hydraulic coupling member is disclosed having flow ports with concave surface at the outwardly facing ends thereof. The concave surfaces briefly and temporarily disengage the radial seals during engagement or disengagement of the male and fema... | 12/09/2003 |
