Bizarre Patents
A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.
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 |
| 7225946 | Constant pressure fluid-dispensing pumping system and method An improved microprocessor-controlled dual piston-pump viscous fluid dispensing system as for dispensing uniform sealing beads and the like (as well as other types of uniform deposits), wherein the pressure throughout the fluid path is maintained constant including ... | 06/05/2007 |
| 7044404 | Pneumatic liquid-delivery device A fluid delivery device for supplying fluids, particularly automotive fluids supplied to fluid reservoirs. To attain this, a vessel configured to hold a liquid includes a pressurized gas inlet configured to receive gas into the vessel through a passageway in an inte... | 05/16/2006 |
| 6886720 | Metering device A metering device that includes a housing defining a cylindrical chamber containing a reciprocating shuttle. The two opposed end parts of the chamber are interconnected by fluid flow ducts to a cylindrical valve bore. Contained with the valve is a rotary valve rod d... | 05/03/2005 |
| 6702155 | Metered dose dispenser An apparatus and method of delivering adjustable metered doses of a composition from a squeezable container. An embodiment of the apparatus is a metered dose dispenser including a body that includes an inlet channel with a first opening, an outlet channel... | 03/09/2004 |
| 6676387 | Metering pump with a rotary valve responsive to electrical signals from the contact between a fluid responsive shuttle and dual probes A metering device contains a rotor which defines elongate chamber, there being a shuttle contained within the chamber movable between two terminal end positions. Frusto-conical surfaces defined on the rotor cooperate with annular members defining correspo... | 01/13/2004 |
| 6588929 | Portable mixing and dispensing apparatus and method A portable mixing and dispensing apparatus, especially useful for spraying, including a fluid conducting, mixing and supporting framework for the hydraulic unit in the apparatus. The framework includes spaced end plates and a conduit assembly. Each end pl... | 07/08/2003 |
| 6589483 | Liquid dispenser A liquid dispenser characterized by a dispensing head which is movable upward and downward as a whole and comprises a plurality of plungers supported by a plunger plate, drive means for moving the plunger plate upward and downward, a plurality of cylinder... | 07/08/2003 |
| 5944221 | Instantaneous hot water delivery system with a tank In a hot and cold water distribution system wherein the hot water is delivered from a water heater to a distant hot water tap adjacent a cold water tap, a hot water recirculation pump assembly purges the hot water line of any cooled-down water in order to... | 08/31/1999 |
| 5370112 | Method and means for powering portable oxygen supply systems Portable gas dispensing systems of the type in which pulsed doses of a respirating gas such as oxygen are supplied to a patient with breathing difficulties are provided with means to generate electricity from energy extracted from the expanding gas rather... | 12/06/1994 |
| 5092494 | Apparatus for metering fluid An apparatus for metering fluid has a casing (1) accommodating a rotor (2) having a closed interior space. The interior space of the rotor (2) is divided by partitions (3) into measuring chambers (4) each accommodating a free piston (5) dividing the measu... | 03/03/1992 |
| 5059398 | Disposable preselected-volume capillary pipet device A disposable preselected-volume capillary pipet device comprises a capillary tube having an admitting emitting end for liquids and a vent end for passing air from the tube as the liquid is being drawn into the tube by capillary action, a port at the admit... | 10/22/1991 |
| 4915264 | Portion control apparatus A portion control apparatus is provided for receiving a food product and discharging the product in portions of predetermined size. This apparatus has a housing with an inlet, an outlet, a first and second chamber and a passageway connecting the inlet, ou... | 04/10/1990 |
| 4896832 | Dispensing apparatus for metered quantities of pressurised fluid A dispensing apparatus comprises a pressurised dispensing container (3), a housing (2) for the container defining a bore, the container having a body (50) which is axially slidable in the bore, the container having a collapsible metering valve (8) located... | 01/30/1990 |
| 4763814 | Fluid feeding device A fluid feeding device in which a battery, a DC motor and an electric pump are housed within a portable case. A fluid in a fluid container mounted on and communicated with the electric pump is discharged from a fluid discharge gun in a predetermined quant... | 08/16/1988 |
| 4705034 | Method and means for dispensing respirating gases by effecting a known displacement A device for administering oxygen and other respirating gases to a patient premeters and temporarily stores single dose quantities of respirating gas and dispenses each dose in synchronization with the patients's inspiratory cycle. A sensor produces a sig... | 11/10/1987 |
| 4690309 | Portable, self-powered, adjustable herbicide dispensing system A self-powered spraying device for dispensing a metered amount or a continuous amount of chemical. A valve is connected through conduits to a cavity in front of a piston, to a cavity in the rear of the piston, to a fluid pressure source and to a nozzle. I... | 09/01/1987 |
| 4602249 | Method and apparatus for detecting leaking valves in a volumetric infusion device A method and apparatus for detecting leaking valves in a volumetric fluid delivery system. The system employs a volumetric chamber divided into two compartments by a moveable membrane, with each compartment having a valved inlet and a valved outlet. In th... | 07/22/1986 |
| 4566491 | Valve especially suitable for use in filling machines Valve 11 includes a slide sliding in a first chamber 26 with the possibil of reaching two stable end positions opposite each other. In the first position the slide 21 allows intercommunication between a conduit 6 for supply of the product from a supply s... | 01/28/1986 |
| 4518102 | Metering device for fluids A metering device wherein a cylinder is provided with opposite end closures, a piston is shiftable in the cylinder between the end closures, a conduit extends centrally within the cylinder into a valve plug angularly shiftable within the cylinder and loca... | 05/21/1985 |
| 4386716 | Liquid measuring device The invention is an improved liquid measuring device which can be used as a proportioner, dispenser or flow meter for a single fluid or for an unlimited number of fluids. The device embodies a free-floating piston sealed within a cylinder capped at both e... | 06/07/1983 |
| 4369805 | Liquid metering injector assembly A liquid metering injector assembly for injecting metered quantities of a first liquid into respective metered quantities of a second liquid comprising a metering cylinder, metering ports formed at either end of the metering cylinder; a metering piston di... | 01/25/1983 |
| 4340159 | Apportioning control apparatus to control measured dispensing Apportioning control apparatus used principally for metering and dispensing foodstuff, said apparatus including an apportioner housing having an internal bore containing a free-floating piston, and an inlet and outlet port located adjacent both ends of th... | 07/20/1982 |
| 4279360 | System for feeding two synthetic-resin components to a mold A two-component molding system according to this invention has a pair of supplies each containing a quantity of a respective fluid synthetic-resin component capable of reacting and hardening with the other component. Respective conduits having upstream en... | 07/21/1981 |
| 4213544 | Water proportioning and delivering device particularly for coffee machines A device for dispensing a measured volume of liquid such as hot water for a coffee making machine in which the liquid is delivered to and dispensed from a cylinder having a double-acting piston the stroke of which is limited and controlled by an external ... | 07/22/1980 |
| 4162750 | Measuring and dispensing apparatus An apparatus for automatically dispensing a measured volume of liquid has a cylinder and a piston. The liquid is fed to one end of the cylinder and displaces the piston which expels from the other end of the cylinder a quantity of liquid proportional to t... | 07/31/1979 |
| 4044924 | Adjustable progressive distributor valve An adjustable progressive distributor valve for the intermittent metered distribution of lubricant to a plurality of branch lines by means of several free valve plungers reciprocating inside the main bores of several adjoining valve segments, the effectiv... | 08/30/1977 |
