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4949874 Device for dispensing at least two flowable substances  
A dispensing device for dispensing at least two flowable substances includes a container with two separate coaxial compartments for containing two flowable substances, respectively. Independently...
4944431 Trigger sprayer with multi-function piston  
A trigger actuated dispenser pump for dispensing product from a container, in which a multi-function piston member has a primary piston reciprocable in a pump chamber and a secondary piston...
RE33235 Liquid dispensing pump  
A liquid dispensing pump in the form of a trigger sprayer includes a thimble-shaped valving element containing inlet and outlet valves, and located within a cylindrical portion of the pump body....
4932563 Combined jug and sprayer  
This invention relates to an apparatus for containing liquids and for delivering such liquids both by pouring and by spraying. The apparatus has first and second containers defining respective...
4903868 Viscous fluid dispenser  
A viscous fluid dispenser having a significant decrease in the number of parts constituting the dispenser and thus having a simplified structure which can be easily assembled and which can...
4892231 Pump chamber dispenser  
A pump chamber dispenser for toothpaste or other viscous or pasty product comprises a pump member (54) moulded form elastomeric material and having a domed central portion (56) and a bifurcated...
4890773 Viscous product dispenser  
A two-chamber viscous product dispenser which includes a stationary, transversely offset, longitudinally extending discharge spout. A depressible discharge pump actuator is mounted on the...
4883202 Liquid pumping system  
Anti-spill apparatus including a liquid recovery system, for use with a liquid pumping system, which recovers and returns to a liquid container, any liquid which is inadvertently emitted by the...
4872595 Mechanically pressurized aerosol dispenser  
A dispenser which includes an elastic reservoir for sustaining pressure on material to be dispensed from the reservoir includes a rotatable actuator for actuating a piston for charging the...
4867347 Dispenser pump  
A dispenser pump comprises a pump chamber having a flexible wall for altering the volume of the chamber. The flexible wall is a polygonal pyramid, preferably five-sided, with facets interupted by...
4858788 Dispensing device for dispersing liquid from a container  
A dispensing device for the discharge of liquids, particularly for the spraying of liquids, having a manually actuatable liquid dispensing device (E). For the continuous delivery of liquid the...
4856683 Herbicide dispenser  
A dispensing system including a tank and a constant displacement pump mounted on the tank for dispensing liquid from the tank. Liquid is withdrawn from the tank via an adapter mounted in the tank...
4830232 Fluid dispenser valve with rolling diaphragm  
A valve for dispensing a liquid such as soap or hand lotion, from a fluid dispenser. A valve body for mounting in the fluid dispenser and having a valve chamber with a rolling diaphragm carried in...
4826052 Trigger pump  
A dispensing pump for dispensing product from a container serves as a container closure. The pump has a cylinder having an inner shell open at its rear end and closed at a forward end and an outer...
4819835 Trigger type liquid dispenser  
A trigger type liquid dispenser having a nozzle unit including a nozzle at its front end, a pump operated by a trigger and a container mount, in which the pump is operated by the trigger and has...
4819833 Measuring, metering, and mixing can for gasoline and oil  
A measuring, metering, and mixing can, particularly for gasoline and oil, including a gasoline container with filler cap and spout; and oil container with filler cap; visual type gauges for each...
4815632 Liquid dosing device with digital display  
A liquid dispenser has a cylinder in which a piston may move in an intake stroke and a discharge stroke. A pulse generator responds to any movement of the piston in the discharge direction,...
4815663 Trigger type sprayer  
A trigger type sprayer which comprises a sprayer body whose inner lateral walls are provided with a pair of mutually facing engagement grooves, and wherein a trigger of the sprayer has a notch cut...
4805809 Dispensing package for a viscous product  
A package for containing and dispensing a viscous product such as toothpaste. The package includes a cylindrical container with a wall extending across an end of the container, such end serving as...
4798333 Portable sprayer with improved combination of piston and diaphragm pump  
A backpack agricultural sprayer has a pressure vessel mounted within a container and connected to a high pressure piston pump to force liquid into the pressure vessel from which it may be...
4789016 Container filling apparatus  
An apparatus including dispensers connected to a hopper enable discrete portions of filler material to be introduced into individual containers as they pass through a food canning operation. The...
4781311 Angular positioned trigger sprayer with selective snap-screw container connection  
A cap and container especially suited for dispensing liquids has a cap which is accurately aligned upon closure. The container is closed by applying downward axial pressure to the cap, thereby...
4768714 Portable sprayer with leak control and agitator  
A pressure vessel for a backpack agricultural sprayer is mounted within a container of the sprayer and connected to the sprayer pump so that liquid from the container is forced under pressure into...
4747523 Manually actuated dispensing pump  
A manually actuated dispensing pump having a pump body extending transversely above a closure cap adapted for mounting the body at the upper end of a container, has an outwardly open pump cylinder...
4728009 Spray pump with container connector  
A spray pump having a connecting portion connectable to a container and whose housing is provided with co-axially step bores defining a venting chamber for venting the container and a pump...
4705191 Mixing and spraying device  
A re-usable mixing and spraying device in which the fill opening and the hand pump used to discharge the spray solution are arranged at different heights, and a concentrate and a diluent may be...
4691847 Pasty product dispenser having combination actuator and outlet valve  
The actuating lever of the dispenser has a rigid valve flap integral therewith which covers the spout outlet to close the same when the actuating lever is in its normal, undepressed position but...
4690308 Pail mount pump with integral cover  
A pail mounted pump system having dual reciprocal pumps and pail cover in an integral design. The pump and pail cover are constructed in a single unit with a built-in intake siphon tubes. This...
4685592 Pumping system with control valve  
A pumping system for containing and dispensing liquids, such as poisonous or hazardous chemicals and the like. The system has a spring-biased, manually-openable by pass valve incorporated therein...
4678122 Hand operated liquid atomizer  
The device comprises a body containing a pump adapted for pumping liquid from a container to an atomizer nozzle via a fluid passage conduit and a tube. An auxiliary conduit communicates the...
4676409 Grease gun and method for making such a gun  
A grease gun has a grease container with a low pressure piston, and a high ressure part with a high pressure piston in a passage. The high pressure part is located on a cap screwed to the grease...
4671432 Pump dispenser for fluent products featuring a reciprocable plunger and diaphragm seal  
A pump dispenser for fluent products is disclosed as inluding a container for housing the fluent product, dispensing outlet means on the container, a follower piston closing the lower end of the...
4669664 Hand manipulatable sprayer  
The hand manipulatable sprayer (10) is connectable to a container (26) and includes a body (12) having a pump assembly (120) and a check valve assembly (90). The check valve assembly (90) includes...
4667856 Dispenser for attachment to liquid containers  
A dispenser for attachment to liquid containers is disclosed which allows a contained liquid to be dispensed by pumping rather than pouring from the container, having a top cylinder containing a...
4664298 Dual mode grease gun  
A hand lever operated grease gun that has both high pressure and high volume modes by changing the mechanical advantage of the lever acting on a dispensing piston. A spring biased pivotal...
4657161 A Dispensing container for cream-like fluids  
A dispensing container for cream-like fluids includes a cylindrical body having upper and lower closures. The lower closure is a piston which moves toward the upper closure as the fluid is...
4655123 Coffee maker improvement for measured charges from bottled water  
A system is disclosed for transferring a predetermined charge of water between a bottled water container and a coffee maker. The system comprises a pump and a timer which operates the pump for a...
4651904 Dispenser for pasty compositions, particularly toothpaste dispenser  
A dispenser for pasty compositions, particularly a toothpaste dispenser, with pump-like actuation for the portioned delivery of the content from a nozzle discharge channel, in which connection the...
4624413 Trigger type sprayer  
The trigger actuated pump sprayer has a nozzle cap which surrounds a unitary element and forms a spin chamber therewith, the element having an integrally connected spring and biased discharge...
4618076 Dual dispensing bottle  
A dual dispensing bottle includes two upwardly extending necks having a trigger sprayer attached to one neck and a frangible orifice creating section integrally formed in the other neck. The...
4614481 Pump with replaceable cartridge  
A pump of the diaphragm type. The pump has a replaceable unitary cartridge which fits into a cavity of the pump casing. The casing is in two parts, an upper casing and a lower casing, which are...
4614284 Co-dispenser  
A container having a trigger actuated pump is provided with a sealed spout designed to provide a co-dispensing opening designed to dispense product in larger dosage amounts independently of and as...
4606480 Liquid sprayer  
A liquid sprayer comprising a cylinder defining a pump chamber in which there is housed a piston capable of sliding between positions of minimum and maximum insertion respectively. The piston is...
4596344 Manually actuated dispenser  
A dispenser of the pressure accumulated type includes a unitary pump plunger actuated for reciprocation within a variable volume pump chamber defined by an accumulator which is displaced upon an...
4593607 Spring-piston combination for manually operated pump  
A manually operated actuator for a pump employs a vertical hollow chamber. A piston is vertically slidable in the chamber between a bottom position at which no pumping action can take place and a...
4591077 Continuous discharge dispenser  
A dual chamber continuous discharge dispenser includes relatively movable pump piston and pump cylinder during compression and the compression strokes and together defining a variable volume pump...
4561571 Washing liquid supplier  
A washing liquid supplier includes a container filled with washing liquid, a pumping chamber formed in a cylinder under the container and defined by a suction valve formed on the lower opening of...
4560095 Lever operated lubricator  
A practically all plastic lever operated grease gun with a flexible plastic link integrally molded with a plastic head, pivotally connecting the lever to the head. A lever reciprocated dispensing...
4557669 Pumping apparatus  
A pumping apparatus for pumping heavy viscous chemicals and the like. The apparatus has a pump means having means for attachment to a container of the viscous chemicals and the like, and has...
4545735 Diaphragm pump having a valve sheet with inlet and outlet flaps and having antisiphoning capability during pump shutdown  
The pump has a pumping chamber with a deflectable diaphragm member and fluid inlet and outlet passages. A deflectable valve flap is disposed across the fluid inlet passage and another flexible...