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| Number | Title | Issue Date |
| 7134608 | Inkjet printhead with reciprocating actuator An inkjet printhead with an array of ink ejectors 1 for printing onto a media substrate, each ink ejector 1 having a chamber 2 for holding ink 3, a nozzle 11 and an actuator 5 for movement within the chamber 2; such t... | 11/14/2006 |
| 7040223 | Stencil printing ink container, stencil printing ink cartridge, method of manufacturing the ink cartridge, and inner plug for the ink container A stencil printing ink container includes an ink container body. An ink charge port is provided in an end wall of the ink container body and an inner plug is mounted on the ink charge port. The inner plug is provided with an ink discharge port smaller in the outer d... | 05/09/2006 |
| 6712244 | Dispensing device A dispensing device for dispensing a measured quantity of a concentrated cleansing liquid into a spray bottle or any other suitable receptacle, is provided with means for pumping the measured quantity of the liquid from a source into a holding reservoir. The dispens... | 03/30/2004 |
| 6641000 | Fuel conduction system A fuel conduction system is provided for conducting fuel between a fuel source and a fuel consuming device which are either integrated as a single unit or apart as separate units. The system generally comprises concentric supply and return tubes for conne... | 11/04/2003 |
| 6422434 | Dispenser pumps A fixed-nozzle dispenser pump suitable for large doses has a downwardly-directed nozzle tip (32) and an outlet valve arrangement (4) in a nozzle (3). A blocking element, such as a ball (41), of the outlet valve arrangement (4) is biased back along a close... | 07/23/2002 |
| 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 |
| 5829640 | Dispensing pump A dispensing pump including an actuator coupled to a resilient bellow, wherein the bellow is in fluid communication with the contents of a container via an inlet valve. Expansion of the bellow, caused by the resilience of the bellow, creates negative pres... | 11/03/1998 |
| 5687877 | Pump dispenser having moveable outlet check valve element A tulip-type check valve is housed in a cylindrical chamber, the length of which is greater than the check valve itself so that during the pressure stroke of the pump, the valve moves forward in its chamber and flexes to permit flow about its periphery. D... | 11/18/1997 |
| 5638991 | Bottled water pumping and dispensing apparatus A bottled water dispenser is similar in size to those available on the market today. An upright five gallon bottle slides onto a dolly and is held fast to the dolly by a stretch cord. The dolly with bottle is wheeled into the bottom of the dispenser. Alte... | 06/17/1997 |
| 5439141 | Dual liquid spraying system A manifold for use with a hand held pump spray device allowing the spray head to draw simultaneously from two separate reservoirs containing two different fluids such that the spray heads raise a mixture of the two fluids in a predetermined ratio. The man... | 08/08/1995 |
| 5409146 | Dispensing pump with positive shut-off A container-mounted dispensing pump incorporates elastomeric duckbill valves for controlling the flow into and from the pump chamber. A mechanism within the pump employs hinged leaves which cooperate with the pump plunger to effect a pinching and closing ... | 04/25/1995 |
| 5353969 | Invertible pump sprayer having spiral vent path A liquid dispensing pump capable of inverted spray has a container vent including a spiral vent groove of a length restricting the free flow of liquid therethrough to avoid leakage, and being sized so that while dispensing in the inverted position the rat... | 10/11/1994 |
| 5305916 | Drip free, volume-adjustable, automatic liquid dispenser In a pump, a piston rod is mounted for lost motion on a piston head so that when the piston rod 31 is advanced by a full stroke in a forward direction from a fully retracted position, only the piston rod moves for an initial stroke portion S2, then a pist... | 04/26/1994 |
| 5267676 | Liquid dispenser for use with washing machine The device of the invention dispenses a liquid, such as detergent or softener, into a clothes washing machine. The device includes two components: a container and a nozzle assembly. The container holds a quantity of liquid and a vane pump. The pump pumps ... | 12/07/1993 |
| 5234135 | Device for spraying or dispensing fluid product in which product contained in the outlet passage is aspirated at the end of actuation A pump for dispensing or spraying a fluid product comprises a pump body delimiting a pump chamber in which slides a piston. The pump comprises a hollow plunger-rod having an outlet passage. The plunger-rod is coupled to the piston to actuate the piston an... | 08/10/1993 |
| 5129551 | Automatic dispensing system for liquids A liquid dispensing system for example for paints comprises a liquid reservoir, a circulating path for the liquid to and from the reservoir, a pump for causing a pressurized flow around the path, a three-way valve in the path which is controllable to dive... | 07/14/1992 |
| 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 liquid pumping system. The apparatus contemplates a pump, hav... | 11/28/1989 |
| 4671429 | Method and apparatus for volumetric dosing viscous products A method and apparatus for dosing viscous, aerated material like ice-cream and ice mixes. The method comprises filling a volumetric dosing chamber from a supply, dispensing said amount through a dispensing conduit and returning at least part of the materi... | 06/09/1987 |
| 4646969 | Double acting mechanical pump liquid atomizer Double-acting mechanical liquid spraying device having a housing which is adapted to be mounted upon and sealed to the neck of a liquid container, and which has a liquid-containing compartment therein. In the housing, aligned with the liquid-containing co... | 03/03/1987 |
| 4605297 | Method of and apparatus for controlling the application of processing fluid A method of an apparatus for insuring application of a preselected amount of processing fluid to photographic film material are disclosed. A weight sensing device weighs a container of the fluid and permits pumping of the fluid if there is an adequate amo... | 08/12/1986 |
| 4588109 | Adhesive supplying system In a thermo-cementing and folding machine which has a suck-back facility, by which at the end of an adhesive-applying operation adhesive supplied through the nozzle (22) is sucked back into the nozzle so as to prevent `drooling`, auxiliary suck-back steps... | 05/13/1986 |
| 4567908 | Discharge system and method of operating same A discharge system for a tubing system in an apparatus for the selective transport of fluid volume quantities, for instance in a particle analyzer. Fluid is transported by means of a delivery pump from a first vessel through a transport conduit to a secon... | 02/04/1986 |
| 4493440 | Wall-mounted soap dispenser A wall mounted soap dispenser made of plastic is described. The dispenser includes a hand-operated pump which dispenses liquid soap under pressure and which can be manufactured inexpensively. A disposable container of liquid soap is inserted in the dispen... | 01/15/1985 |
| 4463881 | Injector for molding hardenable liquid precursors An injector is provided for injecting hardenable liquid polymer precursors from an accumulator into a mold in a reaction injection molding process. A specially adapted plunger is employed to eject the liquid precursor from an accumulator barrel. The plung... | 08/07/1984 |
| 4358027 | Liquid dispenser apparatus A liquid dispenser apparatus including a liquid container, a pump for withdrawing metered quantities of liquid from the container and comprising a cylinder that defines inlet and outlet ports and a piston manually reciprocable between an intake stroke dur... | 11/09/1982 |
| 4186852 | Apparatus for melting and extruding thermofusible material An apparatus for the extrusion of thermofusible materials which are applied while being heated comprises a prefusion and feeding chamber, a heating element for the prefusion and feeding chamber, a shaft capable of rotation at the base of the chamber, the ... | 02/05/1980 |
| 4017031 | Miniature atomizer of manual type A miniature type, rechargeable atomizing spray mechanism including a receptacle for the liquid to be atomized, and further including a cap and axially aligned first and second pressure chambers, one of which depends within the receptacle while the other p... | 04/12/1977 |
