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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...
4257540 Hand-held battery-powered grease gun  
A hand-held, battery-powered dispenser for pumpable materials such as lubricants and, in particular, lubricating grease, comprising a handle, a head, a barrel secured to the head holding a supply...
4257539 Universal body variable shroud dispenser  
A manufacture of fluid handling devices having a variety of different surface contours or appearances features a universal fluid handling component retaining body and a shroud for enclosing the...
4242058 Dosage pump  
A manually operatable dosage pump comprising a cylinder, a piston movable therein between two end positions, and inlet and outlet passages communicating with the cylinder space and each containing...
4241853 Dispenser for either continuous or intermittent discharge  
A multi-function dispenser may be adjusted to obtain a spray or stream of the material dispensed, either as a long duration discharge of the material or as intermittent discharges corresponding to...
4235353 Trigger operated dispensing device with accumulating chamber  
A dispensing device for discharging material under pressure, includes at least one accumulating chamber for receiving and accumulating material to be dispensed and operable to discharge the...
4227628 Fluid dispensing pump having axially deformable valve  
In the illustrative embodiments of the invention disclosed, a non-aerosol pump includes a housing, a barrel within the housing forming a valve chamber, a pumping chamber within the barrel, a valve...
4220285 Hand sprayer for liquids  
Disclosed herein is a hand operated sprayer for liquids, in which the spraying unit is provided with a small bore which is factory sealed at the assembly by a special fitting properly located, to...
4219131 Grease gun with pressure release assembly  
Disclosed is an air pressure release assembly, which preferably is a valve, for attachment to a grease gun to release air pressure within the gun which air pressure retards dispensing of grease...
4218198 Pump having non-throttling peripheral valve  
A dispensing pump is provided with a non-throttling peripheral valve having a circular sealing edge with a diameter of greater than 3/4 inch and a thickness of less than 0.020 inch, and the valve...
4212332 Manually operated pump for dispensing product from a container  
The present pump has a manually operated actuator frictionally coupled to a floating valve to dispense liquid or other fluent product from a container. The floating valve coacts with the actuator...