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| Number | Title | Issue Date |
| 6257451 | Anti-clog pump sprayer A manually actuated pump sprayer has a cover on the plunger head which is shifted relative thereto, the cover having an opening for exposing the discharge orifice when relatively shifted. In a non-use condition a portion of the cover side wall fluid tight... | 07/10/2001 |
| 6250509 | Media dispenser The dispenser orifice (13) may be closed off microbiologically tight by a valve plug (25) closing contrary to the direction of flow (11) and is opened against a spring (34) in the direction of flow (11). The medium gains access to the orifice (13) via thr... | 06/26/2001 |
| 6250502 | Precision dispensing pump and method of dispensing A precision dispensing pump for dispensing fluids and method of dispensing for use in semiconductor packaging and/or semiconductor assembly. The precision dispensing pump employs a working fluid displacement drive for volumetric displacement of a working ... | 06/26/2001 |
| 6234365 | Sprayer nozzle with closing membrane The invention relates to an endpiece for dispensing and/or measuring out liquid pharmaceutical substances, the endpiece comprising a cylindro-conical body (1) fitted with a bottom base (13) for receiving thrust and for coupling to a tank capable of being ... | 05/22/2001 |
| 6227411 | Fluid dispenser with child-resistant nozzle assembly A dispenser body supports a nozzle cap for rotation about a longitudinal axis thereof between ON and OFF positions. A nozzle cover surrounds the nozzle cap, is freely rotatable about the nozzle cap and is movable along the longitudinal axis relative to th... | 05/08/2001 |
| 6220487 | Dispensing apparatus A dispensing pump includes first and second sleeve assemblies. Each sleeve assembly includes a rotary valve having an input and output position and a longitudinally displaceable piston that moves between a first position abutting the valve and a second po... | 04/24/2001 |
| 6186371 | Fixed-spray dispensing device A device for dispensing a fluid material from a container, including a conventional pump or valve comprising a fixed body in which an actuating rod (11) is movable between an inoperative position and a dispensing position, said rod (11) being hollow so th... | 02/13/2001 |
| 6168050 | Hand-operated pump with a trigger, for dispensing liquids A pump for dispensing liquids includes a hollow cylindrical support body having an annular channel formed at a first axial end of the body and open towards the internal cavity of the body. A pumping member in the form of a resiliently-flexible, cup-shaped... | 01/02/2001 |
| 6164500 | Method of removing air from liquid channel of liquid filling apparatus For use in a liquid filling apparatus having a liquid channel extending from a liquid tank to a filling nozzle via a metering cylinder, an upper check valve disposed upstream from the metering cylinder and a lower check valve disposed downstream from the ... | 12/26/2000 |
| 6164499 | Paint colorant dispenser and valve therefor A paint colorant dispenser has a notched gauge rod on a stop member. The notched gauge rod can be easily replaced to change the units of measure for the paint colorant dispenser and is also inexpensive to manufacture. A double notch at an extreme end of t... | 12/26/2000 |
| 6161777 | Portable spraying and drinking apparatus A portable spraying and drinking apparatus with soft fan blades having a spraying apparatus, a drinking apparatus, and at least one container for holding drinking and/or spraying liquids. The spraying apparatus directs a cooling liquid through a nozzle pl... | 12/19/2000 |
| 6161733 | Shutter valve dispenser This computer controlled positive displacement shutter valve dispenser comprises a piston housing, pistons, shutter valves, linear or rotational drive servomechanisms, and a computer controller. The piston housing configuration can be cylindrical or non-c... | 12/19/2000 |
| 6161732 | Push-button comprising a movable nozzle for dispensing pressurized fluids A push-button applicable to the stem (3) of a pump (4) for delivering liquids or creams under pressure. The push-button includes a cylindrical cavity into which there extends a shutter (10), the free end of which lies opposite a discharge nozzle (8) forme... | 12/19/2000 |
| 6149036 | Dispensing pump with automatic shut-off and method of manufacturing A dispensing pump coupled with a container has a pump body having an end coupled with a button cap. The button cap has a spray nozzle and a pump chamber that contains fluid to be dispensed through the spray nozzle. Inside the pump body is a plunger, a sta... | 11/21/2000 |
| 6131771 | Fluid dispensing system with flow control A system for dispensing liquids, particularly a system for dispensing liquid soap through at least one hand-operated pump. The system includes a pump, a main reservoir for holding a first quantity of the fluid to be dispensed, and an auxiliary reservoir f... | 10/17/2000 |
| 6126090 | Nozzle cap for trigger sprayer A trigger actuated pump sprayer has a nozzle cap rotatable on the sprayer nozzle into one of four on and off positions. The cap is of a rectangular section having opposing pairs of flat walls which are grasped by the operator to facilitate cap rotation. R... | 10/03/2000 |
| 6119902 | Liquid jet pump A liquid jet pump constructed to suck a liquid within a container on which the pump is mounted and jet the liquid out of a nozzle by pushing down the head of the pump. The nozzle is so formed so as to ascend forward obliquely, and is provided with a disch... | 09/19/2000 |
| 6095376 | Antibacterial device for spraying a liquid An antibacterial spray device is provided for spraying a liquid contained in a receptacle (R). The device comprises an endpiece designed to cover an outlet tube (G) of a pump (P) which is mounted on the receptacle (R) by a collar (C). The endpiece (1) inc... | 08/01/2000 |
| 6085943 | Controllable liquid dispensing device A dispensing system for dispensing a quantity of material includes an inlet port to receive the material, an outlet port from which the material is dispensed from the dispensing system, a housing having an inner chamber with an adjustable volume, a first ... | 07/11/2000 |
| 6047862 | Dispenser for dispensing viscous fluids A pump dispenser suitable for striped toothpaste, comprising a pump head [1] and a replaceable reservoir [2] for the toothpaste, in which the toothpaste is packed in radially disposed segments, and the reservoir is locked against rotation relative to the ... | 04/11/2000 |
| 6019256 | Condiment pump A piston displacement condiment pump for pumping viscous fluids, especially condiments such as catsup, mustard, mayonnaise, relish, sauces and the like, is disclosed The pump is constructed mostly of stainless steel and includes an inflow chamber with a b... | 02/01/2000 |
| 6012613 | Extruding mechanism for auto dispenser An improved extruding mechanism for auto soap dispenser which comprises, a soap dispenser equipped with an under outlet, a sleeve positioned underneath the dispenser, an output port locating at the bottom of the sleeve, and there is a valve seat which is ... | 01/11/2000 |
| 6003737 | Enhanced micropump for the nebulization of fluids The present invention relates to an enhanced micropump for the nebulization of fluids. The micropump, mounted on a bottle cap, comprises a hollow body and a set of stem and piston such as to constitute a "metering chamber" in the body. The set, protruding... | 12/21/1999 |
| 5918774 | Combined lock and anti-clog feature for spray package Disclosed is a spray package having a container body, an actuator, and a shroud between the container body and the actuator. The actuator has a nozzle, and is adjustable between a locked position and an unlocked position by rotation of the nozzle about th... | 07/06/1999 |
| 5897031 | Dispenser for antimicrobial liquids A dispenser for dispensing products such as liquid antimicrobials is described. The dispenser includes a bracket/actuator assembly and a container assembly. The dispenser includes a novel mechanism for attaching the container assembly to the bracket/actua... | 04/27/1999 |
| 5871126 | Pump dispenser A pump dispenser is described for dispensing a product through a pumping mechanism that draws product from a storage container upwards through a dip tube, across a check valve, into a collecting chamber from which it is dispensed through a one-way monitor... | 02/16/1999 |
| 5868287 | Liquid dispensing container using pressure of liquid to open disharge opening In a liquid dispensing container for dispensing liquid from the liquid storage chamber through the dispensing port, an elastic member, which is normally closed but is opened by the pressure of liquid, is disposed at the dispensing port and the opened part... | 02/09/1999 |
| 5848738 | Fill system including a fill pump disconnect system A system for disconnecting the pump mechanism of the fill system that allows for the removal of the pump mechanism or access to the internal components thereof without removing the supply and dispensing components from the fill system. The disconnect mech... | 12/15/1998 |
| 5842616 | Atomized liquid dispenser applicable to manually operated pumps An atomized liquid dispenser applicable to the stem of manually operated pumps for dispensing a liquid enclosed in a container, the dispenser having an elongate chamber housing a movable piston from which there projects an appendix urged by a spring towar... | 12/01/1998 |
| 5842611 | Dispensing device A fluid-operated dispensing device 10 includes a vessel 12 for defining a chamber 14 in which fluid is received. The vessel 12 also defines an inlet 18, a first outlet 24 and a second outlet 26. The inlet 18 has a greater cross sectional area than that of... | 12/01/1998 |
| 5810211 | Pump assembly with sliding plug An assembly including a pump attachment particularly adapted to form an nonaerosol pump sprayer, and a method of using the same. The apparatus desirably includes an attachment having a pump sprayer which is pressurized on the upstroke enabling the sprayer... | 09/22/1998 |
| 5779100 | Vacuum actuated replenishing water gun A water gun (10) is provided having a storage tank (18), a pressure tank (19), and a pump (32) for conveying liquid from the storage tank to the pressure tank. The conveyance of liquid from the storage tank creates a vacuum which is controller through a c... | 07/14/1998 |
| 5779147 | Dosing nozzle assembly and process for dosing liquid The present invention relates to a nozzle assembly for dosing liquid while preventing spillage or dripping between the dosing. This nozzle assembly includes a dosing chamber (4) has an inlet (21), a piston housing wherein a piston plunger (5) is disposed,... | 07/14/1998 |
| 5779106 | Atomized liquid dispenser An atomized liquid dispenser, comprising a pump and a dispensing head mounted on the stem of the pump, the head defining a chamber communicating with the stem and housing a movable piston urged by a spring to close a discharge nozzle provided at one end o... | 07/14/1998 |
| 5765729 | Dispenser for flowable materials A dispenser for dispensing flowable materials and in particular anaerobic materials. This dispenser has a material inlet which allows the flowable material to flow into a pump cylinder, and a material passage through which the flowable material exits the ... | 06/16/1998 |
| 5730335 | Precompression valve for trigger sprayer The trigger sprayer comprises: a body having a cylinder therein; a liquid inlet to the cylinder; an outlet waterway in communication with the cylinder; a piston having an inner end and an outer end received in the cylinder; a fluid path including at least... | 03/24/1998 |
| 5711460 | Trigger type liquid discharge device A trigger type liquid discharge device is provided with a valve structure designed to open only when the liquid inside the device shows a proper discharge pressure and arranged upstream relative to the discharge aperture of the nozzle head thereof and als... | 01/27/1998 |
| 5699678 | Charging device An improved charging device (20) comprising a vessel (22) for holding a liquid (24) therein. A component (26) on the vessel (22) is for allowing the liquid (24) to exit therefrom. A facility (28) on the vessel (22) is for dispensing the liquid (24) in con... | 12/23/1997 |
| 5687880 | Child lock nozzle cap assembly The child lock nozzle cap assembly is mounted at the forward end of a body of a trigger sprayer and includes: a nozzle cap; first locking structure associated with the nozzle cap; and, second locking structure associated with a trigger of the trigger spra... | 11/18/1997 |
| 5671873 | Proportioning apparatus for viscous materials A proportioning apparatus for viscous materials comprises a proportioning cylinder which has an inlet and an outlet. The proportioning cylinder houses a delivery piston actuable by way of an actuating rod. The latter is drivable by an electric motor, whic... | 09/30/1997 |
