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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 check...
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...
4527741 Trigger pump sprayer  
The trigger sprayer comprises a body having an upper horizontally extending portion and a lower generally vertically extending portion. The body has a passageway therein extending from one end of...
4526294 Dispenser for dispensing liquids in controlled quantities from a bottle  
A dispenser for dispensing controlled quantities of liquid from a bottle includes a piston, which is movable in a cylinder and serves to suck and discharge an adjustable quantity of liquid. The...
4519527 Hand powered liquid atomizer  
A hand powered liquid atomizer has a pistol-like housing with a union nut supported at the free, lower end of a handle part thereof so that the nut may be screwed onto a liquid vessel. The nut is...
4516700 Hot melt anti-surge dispensing system  
The invention pertains to a system for dispensing highly viscous materials, such as hot melt adhesives, wherein flow surges are eliminated. The material is pumped by an expansible chamber motor...
4515298 Dispenser for paste-like products with manually actuable piston including insert device  
This relates to a dispenser for paste-like products wherein there is a pump chamber disposed between a container for the product and a dispensing opening and the pump chamber and an adjacent duct...
4506805 Dispenser device for liquids  
The spraying device for liquids comprises a piston pump which has a suction orifice intended to be immersed in the liquid and a piston rod slidably mounted opposite the suction orifice. This piston...
4489861 Manual liquid dispensing device  
This invention relates to a manual liquid dispensing device for spraying liquid by squeezing the trigger thereof. An adapter is inserted into a cylinder bore forming a pressurizing chamber. A...
4489890 Hand-operated pump  
A hand-operated pump for dispensing a fluid from a container includes a body containing a pumping chamber having an inlet and an outlet. A piston is reciprocably mounted in the pumping chamber, the...
4485943 Dispenser for liquids or pasty products  
A dispenser for a liquid or pasty product comprises a container containing the respective product and having its upper end closed by a partition having at least one opening therethrough. The...
4456152 Measuring and dispensing apparatus  
A hand-held measuring and dispensing device for liquids employing a novel adjustable cam mounted inside of the device which limits the movement of a plunger to control the amount of liquid...
4456153 Trigger attachment for pumps  
A trigger attachment, for a finger operated pump having an axially outwardly projecting actuating and dispensing stem having therein an axial bore through which material is dispensed upon axial...
4454965 Child-resistant trigger pump dispenser  
A child resistant trigger pump dispenser having an elongated, transversely oriented body member with the pump outlet at one end thereof and a vertically extending lower end section for receiving...
4434917 Trigger-actuated atomizer  
A trigger-actuated atomizer pump has a first engagement member held in fitting engagement with a second engagement member on a flattened liquid container for orienting the atomizer pump securely...
4403926 Barrel pump  
A barrel pump having a handle attached to a freely rotatable ring-like member carried on the head portion of the pump whereby the handle can be freely swiveled in relation to the head portion to...
4399932 Volumetric metering valve  
A double shoe volumetric metering valve comprising an elongated hollow substantially cylindrical valve housing having a feed port and a supply port formed in one end portion thereof and a discharge...
4371097 Liquid dispensing pump  
A liquid dispensing pump includes a one-piece piston capable of not only effecting a pumping operation but also an outlet valve opening and closing function upon limited relative axial movement. In...
4365751 Trigger type liquid injector  
Herein disclosed is a trigger type liquid injector which includes a body mounted to stand on a liquid container, an injection cylinder extending in a horizontal direction from the upper portion of...
4364718 Disposable pump for dispensing small metered amounts of liquid from a container and a control unit for operating said pump  
A disposable pump of plastics material for dispensing small metered amounts of liquid from a single opening container to which it has been attached and which can be closed thereby, comprises a one...
4361256 Dispenser having attached and sealed closure cap  
A dispenser includes a cylindrical connecting portion, an internally threaded closure cap permanently attached to the connecting portion, and a container for fluid to be dispensed having an...
4355739 Liquid storage container  
This invention is directed to a liquid storage container. More particularly, this invention is directed to a liquid storage container that can be connected or attached to a spray pump which...
4349131 Apparatus for dosing and forming soap foam  
An apparatus for forming lather or soap foam for washing and/or shaving purposes comprises an actuation lever which simultaneously serves to drive a piston, a liquid soap-dosing pump and a membrane...
4346821 Child-resistant closures for container mounted spray dispensers  
A child-resistant safety closure is provided for closing the outlet of a hand-operated fluid product sprayer dispenser used on a container to prevent leaks from the container during periods of...
4345691 Child resistant bottle closure  
A child resistant closure for a container having a pump or other dispensing device connected to the container including a cap having a hole in the top for receipt of the pump or dispensing device...
4330071 Dispensing device for discharging a liquid or pasty product from a container, containing such a product  
A dispensing device for discharging a liquid or pasty product from a container comprises a valve housing, provided with a vertical through passage for said product, including an upper inlet section...
4322023 Material moving apparatus  
A material moving apparatus, and in particular, a material moving pump such as a manure pump. The pump includes a pumping chamber defined by interior chamber walls, and a piston or ram mounted for...
4315601 Chemical injector  
Chemical injector comprises injector structure for injecting a solution from a reservoir into a flowing stream, usually water. The reservoir is at atmospheric pressure, and a chemical solution is...
4306670 Liquid dispensing device  
A liquid dispensing device including a vertically mounted cylinder, a plunger slidably disposed in the cylinder, a cylindrical space having the inner diameter slightly larger than that of the...