Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7325702 | Orthopaedic paste delivering tool and method for continually delivering the paste The present invention discloses a technique for continually delivering an orthopaedic paste into a bone, which will harden in the bone and act as a medical implant. The present invention uses a replacement mechanism in delivering the paste stored in a chamber throug... | 02/05/2008 |
| 7121108 | Cover assembly of machinery chamber in refrigerator Refrigerator including a machinery chamber in a cabinet of the refrigerator having components provided therein, the components including a valve for connecting to a hose to supply water to the refrigerator, a cover attached to the cabinet to cover the machinery cham... | 10/17/2006 |
| 7114368 | Apparatus and method for verifying the volume of liquid dispensed by a liquid-dispensing mechanism An apparatus for improving the procedure for quantifying the volume of liquid dispensed by a liquid-dispensing mechanism of an analytical instrument. The apparatus of this invention comprises (a) at least one weigh cup; (b) at least one standard mass; (c) at least o... | 10/03/2006 |
| 7080525 | Drink dispensing system A drink dispensing system having sets of faucet dispensers, ice storage bins adjacent to the sets of faucet dispensers, respectively, a common carbonator and circulation pumps associated with fluid circuits provide circulating flow through cold plates defining botto... | 07/25/2006 |
| 7044335 | Self-contained beverage dispensing apparatus A self-contained beverage dispensing apparatus, which is adapted for commercial and/or home use as an alternative to traditional canned beverage service, is provided. In one embodiment, the beverage dispensing apparatus is highly portable and of sufficient dimension... | 05/16/2006 |
| 6919045 | Supply element for a laboratory microchip A supply element for a microfluid microchip that can be used for chemical analysis has supply lines or reservoirs that serve to supply the microchip with substances or reagents. Both ends of the supply lines are sealed to prevent the substances from leaving the supp... | 07/19/2005 |
| 6758371 | Fast rate pump The invention concerns a dispensing device comprising a fluid product pump (1) defining: a pump chamber (112) with variable volume; an intake valve (14) allowing the fluid product to penetrate into the pump chamber; and an outlet valve (16 | 07/06/2004 |
| 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 |
| 6557651 | Automated lubricant dispensing system and method for a horizontal directional drilling machine A lubrication system and method for dispensing a lubricant to threads of a drill rod and/or a spindle of a horizontal directional drilling (HDD) machine during a rod loading or unloading operation employs a pumping system having a lubricant reservoir, a p... | 05/06/2003 |
| 6550496 | Rotary doser valve A rotary doser valve includes a stator with a plurality of ports therein which cooperates with a rotor having a plurality of channels therein. The rotor is rotatable against the stator in first and second positions which alternately channel water to and f... | 04/22/2003 |
| 6508610 | Apparatus and method of pneumatically conveying powder substances and use of the apparatus An apparatus for pneumatically conveying powder substances in a pipe system, wherein a volume is sucked in with reduced pressure and discharged with increased pressure for being passed further along, characterized in that the apparatus has within the pipe... | 01/21/2003 |
| 6415961 | Apparatus and method for dispensing a product A dispensing member for a container may comprise a piston configured to slide between a first position and a second position inside the body of the dispensing member in response to pressure of a product exerted on the piston. A variable volume chamber may... | 07/09/2002 |
| 6296153 | Self-contained high pressure pneumatic beverage dispensing system The present disclosure relates to a self-contained high pressure pneumatic beverage dispensing system which includes a water pressurization and supply system. In one aspect of the invention, the water pressurization and supply system comprises a water pum... | 10/02/2001 |
| 5992696 | Manifold for a metering cylinder A manifold for a double acting metering cylinder having a fluid tight reciprocal piston forming a pair of expandable and retractable chambers, the manifold having a housing with passageways therein and directional valves to selectively deliver fluid mater... | 11/30/1999 |
| 5881919 | Liquid injection system for sprayers The present invention is directed to a system for direct injection of chemicals or other additives in a liquid solution into a spray nozzle. The injection system of the present invention may be mounted adjacent, or in close proximity, to the spray nozzles... | 03/16/1999 |
| 5829633 | Method and apparatus for metering liquids The invention relates to an apparatus and a method for the metering of a predeterminable quantity of a liquid, more particularly H2 O2, having a liquid inlet (10E), at least one metering chamber (6) and a liquid outlet (10A), in that... | 11/03/1998 |
| 5556007 | Proportioner for fluid spray gun with air valve control An air-operated spray gun for spraying two fluid components in proportional amounts has the fluids fed separately from a pair of fluid cylinders each containing a fluid-operated double-acting piston with the volumes of each cylinder being in accord with t... | 09/17/1996 |
| 5476193 | Positive displacement, volumetric ratio beverage dispersing apparatus A beverage dispensing apparatus for dispensing through a nozzle a preestablished volume of a syrup and a preestablished volume of a soda to be intermixed within a nozzle prior to being dispensed into a collecting container such as a glass. The syrup side ... | 12/19/1995 |
| 5429681 | Electronic condiment dispensing apparatus An electronic condiment dispenser may dispense a plurality of condiments. The condiment dispenser may include a bag support module for holding a plurality of condiment supply bags. A pump regulator module may be connected to each condiment bag and may pum... | 07/04/1995 |
| 5404920 | Automated fluid charging apparatus A fluid charging system for charging each of a succession of components with a weight of a fluid, each of the components being charged with a respective selected fluid weight selected from a plurality of fluid weights, the fluid charging system including ... | 04/11/1995 |
| 5388725 | Fluid-driven apparatus for dispensing plural fluids in a precise proportion A fluid-driven proportioning pump for dispensing precise volumes of at least three different fluids includes a drive cylinder housing a correspondingly formed drive piston which divides the drive cylinder into first and second drive fluid chambers and is ... | 02/14/1995 |
| 5366159 | Automatic lawn and garden feeding apparatus An automatic fertilizing apparatus which injects fertilizer directly into the waterstream of a sprinkler system. Each time the sprinkler system is activated, a predetermined amount of fertilizer is dispensed into the waterstream. The apparatus can be cont... | 11/22/1994 |
| 5361870 | Transmission fluid exchange apparatus A tank structure is arranged to include a piston within the tank structure to divide the tank to a first and second chamber, wherein the first chamber is arranged to receive used transmission fluid and simultaneously direct fresh transmission fluid into a... | 11/08/1994 |
| 5339924 | Lubricating mechanism including a dosing device for lubricant, especially for an aircraft A dosing device for a lubricating mechanism is constructed for discharging a measured volume of lubricant into a component to be lubricated, such as a rotary gear box in an aircraft. For this purpose the dosing device has a housing with a defined volume i... | 08/23/1994 |
| 5254108 | Roller applicator An applicator to apply a medication in liquid form to the skin or fleece of an animal. The applicator his a handle to be gripped by a user to move the applicator over the skin or fleece. Rotatably supported by the handle is a roller which is equipped with... | 10/19/1993 |
| 5181631 | Beverage dispenser valve with controllable flow rate A postmix valve for a beverage dispenser, including a volumetric ratio control device incorporated therein to provide positive ratio control. The device includes a syrup piston and a soda piston linked together, syrup and soda chambers, and valve means fo... | 01/26/1993 |
| 5169291 | Water heater with shut-off valve A water heater (10) has a pressure-transfer module (20) interposed between an external pressurized-water circuit and the water inside the water-heater vessel (12) so that the water is at atmospheric pressure and can thus have a free upper surface. A shut-... | 12/08/1992 |
| 5121855 | Beverage dispenser system using volumetric ratio control device A post-mix dispensing valve for a beverage dispenser, including a self-contained volumetric ratio control device incorporated therein to provide positive ratio control. The device includes a single piston in a single cylinder, syrup and soda chambers, and... | 06/16/1992 |
| 5071038 | Beverage dispenser system using volumetric ratio control device A postmix valve for a beverage dispenser, including a volumetric ratio control device incorporated therein to provide positive ratio control. The device includes a double acting piston including a syrup piston and a soda piston linked together, syrup and ... | 12/10/1991 |
| 5060824 | Beverage dispenser system using volumetric ratio control device A post-mix dispensing valve for a beverage dispenser, including a self-contained volumetric ratio control device incorporated therein to provide positive ratio control. The device includes a single piston in a single cyinder, syrup and soda chambers, and ... | 10/29/1991 |
| 5058768 | Methods and apparatus for dispensing plural fluids in a precise proportion A fluid-driven proportioning pump for dispensing precise volumes of at least three different fluids includes a drive cylinder housing a correspondingly formed drive piston which divides the drive cylinder into first and second drive fluid chambers and is ... | 10/22/1991 |
| 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 |
| 5053120 | Arrangement for draining water collecting in the container of a water separator of an internal-combustion engine The invention relates to an arrangement for the automatic removal of water collecting in a fuel filter having a water separator. The evacuation takes place by means of a piston acted upon by a pressure medium, preferably a fuel pressurized by the pressure... | 10/01/1991 |
| 4972977 | Spray bottle apparatus with pressure multiplying pistons The present invention comprises a spray bottle in which the pressure resulting from the gripping force applied by the user is amplified and this increased pressure used in generating a spray such as an aerosol or fluid stream. In its preferred embodiment,... | 11/27/1990 |
| 4966306 | Beverage dispenser system using volumetric ratio control device A postmix beverage dispensing valve for a beverage dispenser, including a volumetric ratio control device incorporated therein to provide positive ratio control. The device includes a syrup piston and a soda piston linked togeher, syrup and soda chambers,... | 10/30/1990 |
| 4953754 | Beverage dispenser system using volumetric ratio control device A postmix valve for a beverage dispenser, including a volumetric ratio control device incorporated therein to provide positive ratio control. The device includes a syrup piston and a soda piston linked together, syrup and soda chambers, and valving for co... | 09/04/1990 |
| 4938396 | Syrup dispensing system A syrup dispensing system in which a pump is actuated at a preset clock rate under a fixed pressure head. The clock rate and pressure head are tailored to accommodate the lowest operating temperature for the system and, accordingly, the thickest syrup. A ... | 07/03/1990 |
| 4842167 | Liquid dispensing device which delivers a pre-set, constant volume independent of the pressure and volume of the liquid supplied to it A liquid dispensing device delivering a constant volume independent of the pressure and volume of the liquid received comprising a cylinder which houses a mobile, sealed piston. The piston moves against the reaction of elastic devices owing to the pressur... | 06/27/1989 |
| 4807321 | Air cleaning system This invention relates to a novel system for removing foreign particles from a machine part, and, more particularly, to a system for cleaning meat by-products from meat processing rollers or other equipment.... | 02/28/1989 |
| 4736873 | Self powered liquor metering pump An apparatus for dispensing measured amounts of liquor from a liquor source under pressure. The apparatus includes a hand held nozzle with a thumb operated plunger valve and with the nozzle connected to the liquor source and a source of gas under pressure... | 04/12/1988 |
