...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7311195 | Mixing capsule and method for activating the same A mixing capsule for a two-component mixture comprises a preferably cylindrical container part. An axially displaceable piston is guided within the container part. An opening is provided on the front face of the piston and leads into a liquid receptacle with a burst... | 12/25/2007 |
| 7191917 | Metering device and method for operating such A metering device or a metering element, in particular for metering substances in the compiling of combinatory material libraries, described as comprising a metering element having a supply vessel, open on one side, for holding the substances to be metered, and a pl... | 03/20/2007 |
| 7182226 | Dosing device comprising a medium reservoir and corresponding pump device The invention relates to a dosing device that comprises a medium reservoir (S) and a pump device for dosing and dispensing a medium stored in said medium reservoir. The pump device is associated with a pump chamber, and with at least one inlet and one outlet valve. ... | 02/27/2007 |
| 7051901 | Air barrier device for protecting liquid fluids in opened containers A device inhibits oxidation of wine remaining in a bottle. A stopper and an inflatable bladder replace the cork. In a first embodiment, a wine duct formed in the stopper is open when the stopper is in an extended position and is closed when the stopper is retracted.... | 05/30/2006 |
| 6932247 | Gripping device for flexible bag dispenser A handle device for manually grasping an airless dispenser of the type including a drawing-off member provided with a dispensing head and fitted to a flexible pouch by means of a cylindrical fitting, wherein, at the top of the fitting, under the head, the fitting is... | 08/23/2005 |
| 6913447 | Metering pump with varying piston cylinders, and with independently adjustable piston strokes A metering pump includes an actuating mechanism, and a plurality of piston cylinders coupled to the actuating mechanism. A first of the cylinders has a working volume that differs from a second of the cylinders. The actuating member is centrally located and the cyli... | 07/05/2005 |
| 6889871 | Internally generated rotor set for low viscosity and abrasive metering applications An internal gear set comprising an inner rotor having a number of radially projecting cylindrical tooth members engaging a conjugate internally toothed outer rotor. The latter has one more tooth than there are tooth members on the inner rotor and is mounted eccentri... | 05/10/2005 |
| 6866881 | Dispensing system and method A dispensing system and method for dispensing material onto a substrate. The dispensing system includes a frame, a support, coupled to the frame, that supports the substrate at a dispensing position in the dispensing system, and a dispensing head, coupled to the fra... | 03/15/2005 |
| 6419127 | Apparatus for raising concrete members An apparatus for raising concrete members and maintaining the members in a raised position. The apparatus may be utilized for raising or leveling flat slabs such as sidewalk sections, driveways and patios or for raising sunken sections of curbs and gutter... | 07/16/2002 |
| 6321942 | Discharge device for flowable media using a thrust piston pump A disposable atomizer for discharging successive partial discharge amounts as a spray has a base body (12), a projecting nose adapter (13) with a nozzle (14), actuating shoulders (35) where two fingers can rest, and an actuating part, containing an actuat... | 11/27/2001 |
| 6102251 | Method and apparatus for extracting excess material from containers An apparatus for removing excess material from a container with a follower plate pump assembly comprising providing an air bladder, disposing the bladder within the container, connecting the bladder to the air source, and inflating the bladder via the sou... | 08/15/2000 |
| 5887752 | Method and apparatus for extracting excess material from containers An apparatus and method for removing excess material from a container with a follower plate pump assembly comprising providing an air bladder, disposing the bladder within the container, connecting the bladder to the air source, and inflating the bladder ... | 03/30/1999 |
| 5862959 | Water dispensing system for a brewing machine A water displacement block for a beverage brewer, mounted on a pivot and connecting rods and suspended immediately over a hot water tank and which, at a specific time in the brewing cycle, is lowered into the tank, thus causing water to overflow so as to ... | 01/26/1999 |
| 5848739 | Pump dispenser for flowable materials A pump type fluid dispenser comprises an outer barrel closed at its lower end with a plunger slidably mounted in the upper end of the barrel. A dispensing spout for the fluid within the combined chamber of the barrel and plunger is located at the upper en... | 12/15/1998 |
| 5249645 | Pressure fluid actuated lubricator A pressure fluid actuated lubricator having a housing (46), a pressure fluid channel (43, 42, 21) leading from an inlet opening (2) to an outlet opening (7), a reservoir (44) for a lubricant and a discharge device (19) for the lubricant. The reservoir (44... | 10/05/1993 |
| 5118401 | Apparatus for disinfecting an instrument Apparatus for applying a disinfectant solution which may include hydrogen peroxide, a salt and a buffer to an instrument wherein the instrument can be inserted into an opening in the wall of a vessel containing a disinfectant normally at a level below the... | 06/02/1992 |
| 5092496 | Dispenser for flowable materials having a piston with a flexible sealing rim A dispenser for flowable materials, such as toothpaste, includes a hollow barrel in the form of a tube open at its lower end and closed at its upper end with the flowable material being inserted in the tube. A plunger which is also in the form of a hollow... | 03/03/1992 |
| 5027978 | Method and apparatus for precision pumping, ratioing, and dispensing of work fluid(s) A pump/dispenser, ratioing/mixer dispenser apparatus and a method and apparatus for precision vacuum degassed dispensing of work liquids are presented. The pump/dispenser is a positive displacement high precision piston/cylinder constant flush type with a... | 07/02/1991 |
| 4969747 | Reverse flow dispensing mixer A dispensing mixer unit suited for use with a dispensing gun for mixing and dispensing at least two materials through a common mixing nozzle. The dispensing mixer comprises a tubular shell having at least two compartments for separately storing the materi... | 11/13/1990 |
| 4961520 | Co-dispensing container and method of filling same Dispensing containers are disclosed for simultaneously dispensing flowable products from a common nozzle including a base cup, a plunger cup telescopingly received in the base cup slidable therein upon the application of pressure against the plunger cup, ... | 10/09/1990 |
| 4946076 | Dispenser for pasty compositions A dispenser for pasty compositions, having a housing within which a piston displaceable in only the direction of emptying is arranged. An actuator enables a headpiece to act on a restorable wall which can be pressed in the direction towards the piston, th... | 08/07/1990 |
| 4921133 | Method and apparatus for precision pumping, ratioing and dispensing of work fluids A pump/dispenser, ratioing/mixer dispenser apparatus and a method and apparatus for precision vacuum degassed dispensing of work liquids are presented. The pump/dispenser is a positive displacement high precision piston/cylinder constant flush type with p... | 05/01/1990 |
| 4905872 | Vessel for injecting bonding agent A vessel for injecting a bonding agent for anchoring a mounting element in a drilled hole comprises a housing for accommodating one component of a bonding agent and having a housing opening, an injection piston provided with an injection nozzle and displa... | 03/06/1990 |
| 4821921 | Liquid dispensing apparatus Liquid dispensing apparatus is disclosed having at least one liquid dispensing chamber and an associated prefill chamber with displacement mechanism for transferring liquid therefrom to the dispensing chamber. The dispensing chamber is in communication wi... | 04/18/1989 |
| 4810659 | Process for injecting a minute volume of a solution and an apparatus therefor Process for injecting a minute volume of a solution from a nozzle device by positive pressure applied from a source of compressed air with or without positive pressure applied in parallel from a cylinder device, comprising applying the positive pressure f... | 03/07/1989 |
| 4805810 | Dosating dispenser for topical formulations A dispenser is provided which is especially useful in dispensing measured doses of topical preparations such as creams or ointments. The dispenser includes a container for holding a supply of topical preparation. A plunger assembly is operatively mounted ... | 02/21/1989 |
| 4796787 | Apparatus for precisely measuring and supplying liquid An apparatus for supplying an accurately measured volume of liquid, comprising a vessel filled with the liquid, a cylinder loosely and slidably fitted into the vessel from above, and a sealing box at the top of the vessel sealing the vertical motion of th... | 01/10/1989 |
| 4767032 | Paste dispenser A dispenser includes a hollow dispensing tube which reciprocates within a container and which incrementally moves a piston downwardly for forcing paste upwardly through a lower inlet end of the tube and outwardly through a nozzle located at the opposite e... | 08/30/1988 |
| 4712715 | Device for injecting a fixing agent into a drilled hole for anchoring a fastening element inserted in a drilled hole A device for injecting a fixing agent for anchoring a fastening element in a drilled hole comprises a sealable container which contains one component of the fixing agent, an injection nozzle, and a plunger which can be pushed into the container. The injec... | 12/15/1987 |
| 4693984 | Method and apparatus for sequential fractionation An apparatus for sequentially fractionating a centrifuge tube includes a capillary tube and a means for applying positive pressure. The capillary tube has an O-ring at the lower end thereof. As the capillary tube is placed within the centrifuge tube, the ... | 09/15/1987 |
| 4641760 | Inflatable bags A false bottom in a cylindrical storage tank is formed from an array of two or more concentric series of inflated bags that individually have the shape of either an isosceles triangle or a truncated isosceles triangle.... | 02/10/1987 |
| 4609129 | Device for injecting a fixing agent into a drilled hole for anchoring a fastening element inserted in the drilled hole A device for injecting a fixing agent for anchoring a fastening element in a drilled hole comprises a vessel which includes a housing, which contains one component of the fixing agent and can be sealed, an injection nozzle and a plunger. The plunger is mo... | 09/02/1986 |
| 4479592 | Dispenser The invention is directed to a dispenser of the type used for providing mured amounts of a paste, such as a toothpaste or shaving cream. A cylinder having a dispensing mouth but otherwise closed at the top is mounted for sliding movement within a casing ... | 10/30/1984 |
| 4334787 | Two-component dosing apparatus In a device for dosing two-component products of a predetermined mixing ratio, the dispensing accuracy has been improved in conjunction with simple design and uncomplicated operation. According to the invention, two chambers are provided which are put und... | 06/15/1982 |
| 4263498 | Expansion chamber arrangement for water heating and dispensing device A water heating and dispensing device includes a tank which forms the main hot water container, a heating device in the tank which is thermostatically controlled in order to maintain the temperature of the water at the desired level, inlet and outlet cond... | 04/21/1981 |
| 4174055 | Non-aerosol pressure dispenser A non-aerosol pressure dispenser includes a pressurization chamber having a piston reciprocable therein and a manual actuator extends from outside the chamber into operative association with the piston. The actuator is reciprocable in a first direction to... | 11/13/1979 |
| 4168942 | Extrusion apparatus and method A cohesive, non-flowable, plastic mass which is difficult to handle in bulk form is subjected to removal from a container and guided flow into a screw conveyor, compression in the conveyor, and controlled heat input and withdrawal while transported by the... | 09/25/1979 |
| 4012753 | Film processor A reliable machine for developing film, which minimizes the possibility of damage to the film surface and which provides close control of processing conditions. A film strip is pulled by a detachable member attached at the front end of the strip, and is g... | 03/15/1977 |
| 4008516 | Protective system for evacuating drums A method of removing ink from an ink drum wherein the plunger remains substantially uncontaminated which comprises positioning an open ended plastic sleeve over the drum of ink, gathering the edges of one end of the sleeve together, inserting the gathered... | 02/22/1977 |