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| Number | Title | Issue Date |
| 4597719 | Suck-back pump A suck-back pump for preventing any additional amount of liquid from dropping out of the tip of a delivery pipe, after a predetermined amount of liquid has been delivered from the delivery pipe. The suck-back pump includes inlet and outlet ports for liqui... | 07/01/1986 |
| 4591078 | Dripless pouring cap A dripless pouring cap having a funnel-shaped pouring spout with an outwardly curved pouring lip is screwed onto a container. Below the pouring lip are two catch basins to trap small amounts of liquid that has dripped from the pouring lip. A hinged lid is... | 05/27/1986 |
| 4550862 | Liquid product pouring and measuring package with self draining feature A liquid dispenser package is described which is adapted to dispense liquids without mess and which incorporates a measuring cup which is also the closure for the package. The package of the present invention includes a container having a dispensing orifi... | 11/05/1985 |
| 4531912 | Dental spray hand piece The present invention is directed to a dental spray hand piece which has a valve for controlling the flow of an agent through an agent line that extends through the hand piece to a spray nozzle and an arrangement for preventing dripping of the agent from ... | 07/30/1985 |
| 4531657 | Tapping stopper A tapping stopper for a bottle to prevent the content liquid from trickling along the outside of the bottle. The tapping stopper comprises a pouring cylinder having a trumpet-shaped lip, an auxiliary external cylinder having a trumpet-shaped lip, and a bo... | 07/30/1985 |
| 4519526 | Method and apparatus for dispensing liquid An anti-drip system for a dispenser in the form of a deformable conduit adapted to dispense a liquid, such as a photoresist, from a dispensing tip located at one end of the conduit includes a rigid housing which surrounds an intermediate portion of the co... | 05/28/1985 |
| 4516702 | Dripless valve A valve for applying a flowable material in which it is desired to provide a sharp cutoff in application of the material includes a valve body with a chamber therein in communication with a source of the material to be applied. A movable piston is positio... | 05/14/1985 |
| 4505298 | Fluid dispensing valve assembly A dispensing valve assembly for accurate volumetric dispensation of delicate fluids is disclosed, suitable for use with a fluid dispensing system. The valve has a poppet that is movable within a chamber. A bias spring or external operator urges the poppet... | 03/19/1985 |
| 4498510 | Device for drawing, holding and dispensing liquid A device for drawing, holding and dispensing a plurality of distinct, relatively low volume, liquid masses. A plunger plate with an array of plungers is received in a draw tube plate with an array of draw tubes. A piston tip is sealingly disposed in the d... | 02/12/1985 |
| 4498609 | Dropper for cyanoacrylate adhesives A dropper, press fitted into the neck of a cyanoacrylate adhesive dispensing container, includes an elongated nozzle having a constant diameter passageway. The inlet to the nozzle is defined by a downwardly depending hollow boss having a sharp edged perim... | 02/12/1985 |
| 4493427 | Flask for sterile liquids A flask for sterile liquids capable of supporting a terminal sterilization of pharmaceutical quality. The flask has a tamper-proof closure comprising a cap screwed on its neck and a locking ring formed in two parts axially superposed and joined by a break... | 01/15/1985 |
| 4433800 | Pouring fitment and closure assembly A pouring fitment and closure assembly comprising a central tubular body having at its interior most extremity an enlarged circular disk-like plate with a sharpened edge, the central tubular portion then opening up into a rib-formed plurality of ports to ... | 02/28/1984 |
| 4427138 | Pourer for bottle-like containers A plastic pourer for insertion into the mouth of a bottle-like container, the pourer including a sealing flange at least partially covering the rim of the bottle mouth and also including a hollow cylindrical wall part bearing against the inside of the mou... | 01/24/1984 |
| 4424017 | System and method for burning liquefied gases A system for burning a liquefied gas comprises a burner gun for spraying the liquefied gas into a combustion space, a pump for feeding the gas under pressure, pipe means connecting the burner gun with the pump, and a flow regulating valve provided in the ... | 01/03/1984 |
| 4410108 | Pressure-actuated valve for use with positive displacement filling machine A pressure-actuated valve is adapted to the discharge port of a positive displacement machine for filling, sequentially, passing open containers with a liquid product. In response to the sequential pulses of liquid produced at the discharge port, the pres... | 10/18/1983 |
| 4403764 | Method and apparatus for controlling flow of work materials An improved method for precision control of a wide variety of work material liquids and an improved pinch valve incorporating that method is disclosed. The method involves constricting a discrete site on a resilient tube having liquids flowing therethroug... | 09/13/1983 |
| 4394945 | Valve having suck-back feature A valve assembly has a spring-biased discharge valve seated for closing the discharge whereafter product is sucked back from a discharge nozzle during a continued movement of the valve in the direction of closing. Parts of the valve may be relatively adju... | 07/26/1983 |
| 4368219 | Method and apparatus for coating the inner surface of long tubes of small diameter A method and apparatus for coating a long tube of small diameter by means of inserting a supplying hose of double structure, with a spray nozzle ahead and two separately extending inner and outer hoses for supplying paint and compressed air respectively t... | 01/11/1983 |
| 4363429 | Pouch filler nozzle and valve Filler nozzle and valve for products comprising high to low viscosity fluids, with or without suspended solids, particularly useful in filling pouch containers. The nozzle body has a vertical bore and also a side port entering the bore near its lower end ... | 12/14/1982 |
| 4298145 | Adapter for a container An improved adapter for a container such as for example, a cooking oil container, is described which includes an outer tube, an inner tube and a drip return guide plate. A hole is located in the lowest part of the guide plate and operates as both a drip p... | 11/03/1981 |
| 4265613 | Safety device for an oil burner A safety device for an oil burner includes a pump which has a drive cylinder portion with a double-acting piston movable therein which is connected through a connecting rod to a suction piston portion which is movable in a suction portion of the pump cyli... | 05/05/1981 |
| 4261484 | Non-return valve unit with drip prevention and controlled discharge A non-return valve unit for a bottle having a mechanism for preventing dripping and for giving a controlled discharge of liquid from the bottle, suitable for use with any type of bottle neck by insertion in the said neck and especially for bottles adapted... | 04/14/1981 |
| 4230238 | Funnel pitcher enabling batter to be prepared and poured into a cooking utensil Powdered mix, a liquid and binder are poured through an open top of a plastic vessel normally having a vertically disposed longitudinal axis. The ingredients are stirred with a utensil inserted through the open top. A pouring attachment, sealingly secured... | 10/28/1980 |
| 4222504 | Drip preventive spout particularly adapted for use in pouring wines A drip preventive spill-proof spout comprised of a highly water-repellant elastomer material, such as natural or synthetic rubbers, the preferred material being silicone rubber. The spout is particularly adapted for use with wine bottles, the mouths of wh... | 09/16/1980 |
| 4184603 | Non-spilling liquid container A hollow container having an open top is provided with a cap releasably secured thereto. The cap, in turn, includes an open top having an inwardly and downwardly extending lip surrounding the opening. A lid is positioned in the opening and includes a peri... | 01/22/1980 |
| 4149315 | Dental syringe A dental syringe is connectible to sources of air and water under pressure for selectively providing a solid stream of water, a jet of air or a spray of water and air. The maximum rate flow of air and/or water to be used is independently metered in the ha... | 04/17/1979 |
| 4142707 | Valve arrangement The present invention relates to a specially designed valve for incorporation in a fuel line between a pump and burner nozzle. In a preferred embodiment my valve device sucks back a limited amount of fluid after the valve is shut off.... | 03/06/1979 |
| 4119058 | Glue applicators There is disclosed a glue applicator which essentially consists of a housing provided with an applicator nozzle, with valve means, and with a passage to conduct glue to the nozzle, the valve means being interposed between the passage and the nozzle and co... | 10/10/1978 |
| 4113153 | Gas pump nozzle A gas pump nozzle and anti-spill device for use with conventional fuel delivery pumps to eliminate spillage and loss of fuel when pumping is stopped and the nozzle is withdrawn from a gas tank filler. The nozzle is divided and has baffles to capture and c... | 09/12/1978 |
| 4096971 | Method of and apparatus for dispensing self-conserving liquids A high-viscosity liquid is accommodated in a container whose outlet directly communicates with the intake port of a pump. The intake port communicates via a pump chamber with an outlet port of the pump, and an impeller having flexible blades rotates eccen... | 06/27/1978 |
| 4083474 | Applicator gun for multi-component resin systems An easily cleaned trigger-actuated gun of simplified construction for applying a multi-component resinous patching or adhesive compound system to a workpiece is described. An internal valve positioner, connected to the trigger mechanism by means of an ope... | 04/11/1978 |
| 4078700 | Dripless pouring spout and closure cap therefor A pouring spout member that is arranged for assembly to the mouth of the container includes a tubular spout and an initially longitudinally extending, anti-drip finger. A cooperating closure cap member deformably engages the anti-drip finger upon assembly... | 03/14/1978 |
| 4062480 | Valve with draw back after closing A valve arrangement constructed so that it will draw back a limited amount of fluid from the outlet of the fluid dispenser when the valve is changed from the flow to the no-flow condition.... | 12/13/1977 |
| 4053012 | Battery strap mold and anti-drip pouring means An apparatus and method for gravity molding articles such as battery straps or the like in open or non-pressurized molds. The apparatus uses an upwardly inclined molding head including a molten metal reservoir and a nozzle discharge end positioned adjacen... | 10/11/1977 |
| 4051984 | Cover for a container The invention relates to a closure which can be fitted to a container and which has an opening to enable the contents of a container to be poured therefrom, the closure comprising an end wall portion, a peripheral wall portion extending from one side of t... | 10/04/1977 |
| 4004717 | Pressure fed liquid dispenser A liquid dispenser having one piston and cylinder for feeding the liquid and a larger piston and cylinder cooperating with a valve to provide aspirator action to eliminate dripping and break stringing.... | 01/25/1977 |
| 3999691 | Cake filler Dispensing apparatus for semi-fluid material includes a housing having a vertical bore and a second bore connecting with this vertical bore. A piston is slidably mounted within said second bore and is movable between a first position spaced from the verti... | 12/28/1976 |
| 3979172 | Ice cream freezer An ice cream freezer has a solid material supplying means and is characterized in that a chamber is provided near a nozzle of a freezing box, the solid material being fed into the chamber by assist of an air force and blown against the ice cream forced ou... | 09/07/1976 |
| 3951315 | Fuel pump nozzle anti dribble device A fuel pump nozzle anti-dribble device for mounting to the end of the nozzle on a conventional fuel delivery pump, such as a gasoline pump to eliminate dripping and spillage of fuel therefrom upon withdrawal of the nozzle from a vehicle fuel tank. The ant... | 04/20/1976 |
| 3937440 | Metering pump and combination two-section pinch-off aspirator valve This invention relates to a positive displacement adjustable volume pumping and dispensing system used to supply measured amounts of viscous material. The system includes a pneumatically or hydraulically driven submersible adjustable volume piston-type pu... | 02/10/1976 |
