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| Number | Title | Issue Date |
| 7942291 | Break-away spring and piston rod for a trigger sprayer A manually operated trigger sprayer has an integral plastic spring and pump piston rod that are connected by a breakable connection, whereby the spring and piston rod can be assembled to the trigger sprayer as one piece and are subsequently broken into two separate ... | 05/17/2011 |
| 7389893 | Inverted dispensing pump A fluid dispensing system includes a pump body configured to couple to a container. The pump body defines fluid inlet openings and a pump cavity. A shroud cover covers the pump body to draw fluid from the container. An inlet valve allows fluid from the container to ... | 06/24/2008 |
| 7299949 | Discharge device for manually producing a volume flow A discharge device for manually producing a volume flow by a discharge stroke, having a medium reservoir for at least one medium, a discharge opening, a pumping device and a working area associated with the pumping device and which in the inoperative position has a ... | 11/27/2007 |
| 7219817 | Fluid slug launcher Apparatus for projecting a slug of liquid through the air. The invention provides means to accelerate liquid molecules to substantially equal velocity, and then to release them with minimal turbulence. ... | 05/22/2007 |
| 7140515 | Manually manipulable actuator mechanism having constrained range of motion A manually manipulable actuator mechanism includes a body and a manually manipulable element. The body has at least one wall element having a length extending along a first axis and a height extending along a second axis orthogonal to the first axis. The manually ma... | 11/28/2006 |
| 6817489 | Fluid dispenser device A manually-actuated device for dispensing a fluid in liquid or powder form and that comprises a fluid reservoir (10), dispensing means (20) for selectively dispensing the fluid contained in the reservoir (10), a dispensing head (30) provi... | 11/16/2004 |
| 6729502 | Self-contained viscous liquid dispenser A self-contained viscous liquid dispenser includes a housing defining an internal liquid reservoir, and an opening defined through a front surface of the housing. An insert member is fitted through the opening, extends into the reservoir, and defines an internal pum... | 05/04/2004 |
| 6726064 | Pump for dispensing a substance, in particular a cosmetic or a care product A pump for fixing onto a receptacle to dispense a substance contained therein. The pump has a pump body that includes at least one air intake vent. A pushbutton is movable relative to the pump body between a low position and a high position. A suction valve includes... | 04/27/2004 |
| 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 |
| 6695171 | Pump dispenser A finger-operable pump cartridge is disposed within a closure for mounting the pump cartridge and closure to a container of fluent material. An actuator is mounted on the stem of the pump cartridge and has a skirt with a flange extending from, and continu... | 02/24/2004 |
| 6626330 | Media dispenser A dispenser (1) is provided for unlocking the stroke with two first and second handles (44, 45) configured separate from the actuator handle (5) for actuating the pump stroke. For unlocking, the first handle (44) firstly needs to be actuated in a first re... | 09/30/2003 |
| 6604656 | Safety lock ring structure of a dispenser pump A dispenser pump is provided with a pump head and a locking cap fastened to the pump head. The pump head and locking cap are provided with a ratchet portion to prevent the pump head from being disengaged from the locking cap accidentally or inadvertently.... | 08/12/2003 |
| 6543649 | Child-resistant liquid dispenser A liquid pump dispenser with a discharge spout is rendered child-resistant by the provision of a hollow sleeve surrounding the pump body and engaging an upper wall of the closure cap with at least one lip at an upper end of the sleeve engaging an undersid... | 04/08/2003 |
| 6457356 | Piston pump elevator having fluid level measurement capabilty A piston pump elevator having fluid level measurement capability which is capable of providing an electrical signal proportional to the approximate amount of fluid remaining in a container from which fluid is being withdrawn.... | 10/01/2002 |
| 6364166 | Dispenser with manually operable discharge device For the discharge, particularly atomization of media, particularly liquid medicaments, a dispenser (11) is provided, which discharges a charge of the medicament in only one or optionally a few strokes. Actuation takes place between three fingers of the us... | 04/02/2002 |
| 6357629 | Waterproof mechanism for emulsion dispensing pump An emulsion pump mechanism for preventing external dirty water from entering the emulsion bottle is described. The pump mechanism includes a pressing head having an internal passage. At the lower end of the passage there is a pipe connector on the outer w... | 03/19/2002 |
| 6308865 | Container-mounted pump means with external restoring spring A pump device adapted to be mounted on a liquid container includes a nozzle head formed on a top portion of a piston reciprocatively held in a liquid accumulator mounted on the liquid container, a restoring spring resiliently retained between the nozzle h... | 10/30/2001 |
| 6286723 | Self-resetting child-resistant trigger sprayer A self-resetting child-resistant trigger sprayer having a lock slidingly mounted on the trigger lever for locking the trigger sprayer. The lock has a pair of extensions, a biasing member and a projection that all extend away from the main portion of the b... | 09/11/2001 |
| 6283332 | Fluid substance dispenser with easily disengagable snap-locking elements A fluid substance dispenser includes a dispensing head or pusher to be fitted onto the stem of a pump. The fluid substance dispenser also includes a cap to be fixed onto the mouth of a container containing the substance to be dispensed. On the outer surfa... | 09/04/2001 |
| 6082888 | Constant rate discharge apparatus and constant rate discharge method A pump unit is provided which sucks a material having a high viscosity contained in a container and to pump it to a nozzle under pressure. An axial member which performs sucking and pumping of the material is connected with the pump unit. The axial member... | 07/04/2000 |
| 6065647 | Pump dispenser having a locking system with detents Lotion pump has a stepped piston telescoping inside a stepped body to define a pumping chamber. The piston has a downward annular wall having inlet and discharge apertures, one above the other, to the pumping chamber. A stem integral with the actuator has... | 05/23/2000 |
| 6006950 | Pump dispenser with rotatable nozzle trigger lock A trigger-type liquid dispenser comprises a mounting sleeve (2) to be fitted onto a neck portion of a container body, a vertical sleeve (2a) erected from the mounting sleeve (2), an ejecting sleeve (3) projected forwardly from an upper end portion of the ... | 12/28/1999 |
| 6003738 | Child-resistant rotating lock for manually operated pump dispenser A child resistant lock for manually-operated pump dispensers such as trigger sprayers, prevents movement of the trigger and reciprocation of the sprayer pump element when the lock is engaged.... | 12/21/1999 |
| 5984151 | Dispensing pump having universal pump body and readily attachable shroud selected from readily attachable shrouds of different outward shapes Outward flanges on top of pump outlet tube include a rearward latching section. The shroud is open-fronted. Extending downward along the top wall of the shroud are a pair of opposed channels to the rear of which are unitary downward locking wedges. In ass... | 11/16/1999 |
| 5975370 | Tamper-evident plunger-hold-down attachment for pump dispenser The attachment comprises a cylinder-embracing support portion at least partly encircling the upper end of the pump cylinder and having openings therein receiving hooks on the cylinder. Unitary with the support portion is a plunger hold-down portion which ... | 11/02/1999 |
| 5975376 | Dispensing pump having universal pump body and readily attachable shroud selected from readily attachable shrouds of different outward shapes Outward flanges on top of pump outlet tube include a rearward latching section. A rearwardly extending horizontal shelf is formed on the vertical tubular support of the pump body. The shroud is open-fronted and includes a top wall, connected side walls an... | 11/02/1999 |
| 5918774 | Combined lock and anti-clog feature for spray package Disclosed is a spray package having a container body, an actuator, and a shroud between the container body and the actuator. The actuator has a nozzle, and is adjustable between a locked position and an unlocked position by rotation of the nozzle about th... | 07/06/1999 |
| 5899363 | Pump dispenser having a locking system with detents Lotion pump has a stepped piston telescoping inside a stepped body to define a pumping chamber. The piston has in its wall inlet and discharge apertures, one above the other, to the pumping chamber. A stem integral with the actuator has a sealing head ins... | 05/04/1999 |
| 5890632 | Dispensing pump having universal pump body and readily attachable shroud selected from readily attachable shrouds of different outward shapes An attachable shroud and a dispensing pump with universal pump body upon which is formed outward flanges on top of a pump outlet tube which includes a rearward latching section. A rearwardly extending horizontal shelf is formed on the vertical tubular sup... | 04/06/1999 |
| 5839621 | Pump dispenser A cylinder 12 is positioned along the vertical axis. A piston 16 and a trigger 18 are provided respectively with a pair of racks 40 capable of meshing with a pair of pinions 38 of a housing 14. By way of the pinion pair 38, pivoting motion of the trigger ... | 11/24/1998 |
| 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 |
| 5823396 | Child-resistant latch for trigger sprayer A removable latch for use with a trigger actuated pump sprayer renders the sprayer child-resistant as the latch, of a one-piece plastic molded construction, is braced between a trigger actuator and an opposing portion of the pump body. The latch has an in... | 10/20/1998 |
| 5823395 | Child-resistant pump dispenser A child-resistant liquid dispenser, such as a trigger sprayer, includes a dispenser body, a pump mechanism having a pump piston, and a trigger connected to the pump piston so that movement of the trigger effectuates movement of the pump piston. The pump m... | 10/20/1998 |
| 5816447 | Non-aerosol pump spray apparatus An assembly including a pump attachment particularly adapted to form an nonaerosol pump sprayer, and a method of using the same. The apparatus desirably includes an attachment having a pump sprayer which is pressurized on the upstroke enabling the sprayer... | 10/06/1998 |
| 5749501 | Shroud and skeletal body for trigger sprayer The shroud and skeletal body assembly for a trigger sprayer comprises: a skeletal body including a lower portion, an upright body portion extending upwardly from the lower portion and having a forwardly extending piston receiving portion, a waterway defin... | 05/12/1998 |
| 5715973 | Manually operated fluid pump for dispensing lotion and the like A manually operated reciprocating fluid pump comprising a pump housing, a plunger, a piston and a priming valve. The pump housing has an inner surface and a pump chamber defined at least in part by the inner surface. The pump chamber extends axially throu... | 02/10/1998 |
| 5662271 | Atomizing devices and methods A metered dose inhaler comprises a piston which is mounted in a cavity within a body, and is urged by a pre-loaded spring into a reduced cross-section pressure chamber. The piston may be loaded by means of an actuating rod having a handle, and may be latc... | 09/02/1997 |
| 5615806 | Plunger lock-up dispenser A pump dispenser has a plunger lock-up feature in which the plunger is positively retained against dislodgement by cradling projections on the piston stem against abutment shoulders of a locking sleeve which is fixed within the pump body of the dispenser.... | 04/01/1997 |
| 5560545 | Dual in-line trigger sprayer A fluid dispenser for simultaneously dispensing disparate fluids separately stored in separate fluid compartments of a container includes a single pump cylinder defining together with a dual seal piston a pair of in-line pump chambers for separately and s... | 10/01/1996 |
| 5549223 | Pump with back suction phase The present invention provides a pump for pumping fluids, especially highly viscous fluids such as shampoo, from a main fluid container through a nozzle without unwanted dripping, plugging, or mess. A piston reciprocates in a pump chamber, creating positi... | 08/27/1996 |
