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Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 8177101 | One turn actuated duration spray pump mechanism A mechanically operated, one-turn actuation, duration spray pump mechanism for dispensing product from a container, wherein a cylinder is fixed to a cylinder retainer closure adapted to be attached to a container. In use, the cylinder extends into the container, and... | 05/15/2012 |
| 7712636 | Trigger sprayer piston rod with integral spring and pivoting piston connection A manually operated trigger sprayer is constructed with a reduced number of parts and in a novel manner in which the conventional metal coil spring is replaced with a pair of plastic bowed springs that are integral with the piston rod and the pump piston is connecte... | 05/11/2010 |
| 7637396 | Trigger sprayer piston rod with integral spring and ball and socket piston connection A manually operated trigger sprayer is constructed with a reduced number of parts and in a novel manner in which the conventional metal coil spring is replaced with a pair of plastic bowed springs that are integral with the piston rod and the pump piston is connecte... | 12/29/2009 |
| 7571836 | Trigger sprayer with piston rod and spring snap connection A manually operated trigger sprayer includes U-shaped springs that bias the trigger sprayer trigger away from the trigger sprayer pump chamber, where the U-shaped springs are connected to a piston rod by a snap-fit connection. The connection includes a compressible ... | 08/11/2009 |
| 7497358 | Trigger sprayer with integral piston rod and bowed spring A manually operated trigger sprayer is constructed with a reduced number of parts and in a novel manner in which all of the component parts of the sprayer are constructed of a plastic material. The construction of the trigger sprayer replaces the conventional metal ... | 03/03/2009 |
| 7431181 | Fluid-dispensing pump and container provided therewith A fluid-dispensing pump 1 includes a cylinder 11, a piston 12 which can reciprocate inside the cylinder 11, a coupling tube 13 for coupling the nozzle head 2 and the piston 12, a coil spring 17 for giving momen... | 10/07/2008 |
| 7429353 | Method and apparatus for injecting a metered quantity of a liquid into a chamber A method and apparatus for metering a predetermined quantity of liquid decontaminant into a vaporization system. A single vacuum source is used to fill an injector with the predetermined quantity of liquid decontaminant and to also establish a vacuum in a chamber. T... | 09/30/2008 |
| 7377408 | Fluid dispenser A fluid dispenser which has a pump assembly having a reciprocable plunger received in a housing having an outlet end for delivery of fluids. A handle is pivotally connected to the housing and is mechanically connected to the plunger of the pump assembly to provide a... | 05/27/2008 |
| 7350526 | Disposable toothbrush assembly A disposable toothbrush with a built-in toothpaste applicator mechanism, the toothbrush mainly comprising a multiplicity of bristles, a plurality of apertures located between the bristles, a hollow compartment for containing a quantity of toothpaste, a bore connecti... | 04/01/2008 |
| 7341168 | Pump assembly with piston 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 to be ship... | 03/11/2008 |
| 7337927 | Two stage grease gun A portable grease gun with a dual pressure output capability which can be selectively changed by the user with little effort. A larger diameter plunger is longitudinally coupled to an extension. The larger diameter plunger and its extension are variable in length by... | 03/04/2008 |
| 7337922 | Platen pump An infusion pump for expelling a fluid from a collapsible fluid reservoir to a patient. The pump includes a housing having a chamber therein for receiving the fluid reservoir. A first wall is provided on the housing for contacting the fluid reservoir, and a second w... | 03/04/2008 |
| 7334580 | Methods, devices and formulations for targeted endobronchial therapy The present invention provides an improved method and novel devices for treating tracheobronchitis, bronchiectasis and pneumonia in the intubated patient, preferably with aerosolized anti gram-positive and anti-gram negative antibiotics administered in combination o... | 02/26/2008 |
| 7299630 | Positioning and locking mechanisms and articles that employ the same Disclosed herein is a locking mechanism for positioning or locking an article comprising a housing 3; an optional active element 6 in operative communication with a connecting means 22, wherein the active element 6 and the connecting mean... | 11/27/2007 |
| 7287672 | Fluid dispenser member and a dispenser including such a member A fluid dispenser member designed to be associated with a fluid reservoir having a neck, said member comprising: a body defining at least part of a fluid chamber, said body being provided with fixing means for fixing onto the neck of the reservoir, said body includi... | 10/30/2007 |
| 7243820 | Tappet pump, mainly for cosmetic products A tappet pump comprising a reduced number of components. The pump comprises a pump body, a piston, a tappet and an elastic implement which exerts its force on the tappet and on the piston by means of a unidirectional link defined by interdependent limit stops. ... | 07/17/2007 |
| 7228993 | Food seasoning quantitative dispenser A food seasoning quantitative dispenser includes a body, a supporter, a center rod, a cap unit and a base. The body has a chamber for storing seasoning, and a conical neck. The supporter has plural feet, an annular wall, a central tubular member and an outlet betwee... | 06/12/2007 |
| 7226231 | Piston-type dispenser with one-way valve for storing and dispensing metered amounts of substances A dispenser for dispensing a substance, such as a liquid lipstick or other product, has a body defining a variable-volume storage chamber for storing the product. A dispensing portion is connected with the body and defines a bore coupled in fluid communication with ... | 06/05/2007 |
| 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 |
| 7198178 | Pump assembly with piston An assembly including a pump attachment particularly adapted to form an nonaerosol pump sprayer. The attachment includes a body, a shaft, a piston, an inlet valve and a biasing member. The body defines an elongate chamber having the first end, second end, and an int... | 04/03/2007 |
| 7182228 | Cartridge with connection for a pump-drive and fluid handling system In a cartridge for a fluid, as well as a system for handling a fluid using such a cartridge, the cartridge has a tank shaped as a cylinder with an opening to admit and discharge the fluid, as well as a piston that can be moved forward and/or back in the tank in orde... | 02/27/2007 |
| 7182226 | Dosing device comprising a medium reservoir and corresponding pump device The invention relates to a dosing device that comprises a medium reservoir (S) and a pump device for dosing and dispensing a medium stored in said medium reservoir. The pump device is associated with a pump chamber, and with at least one inlet and one outlet valve. ... | 02/27/2007 |
| 7175056 | Simplified sprayer device A sprayer device (10) with a trigger pump (29) includes a substantially L-shaped body (14) that can be applied to a container for liquids and is provided with a sprayer nozzle (15). A chamber (20) wherein a plunger (33) of t... | 02/13/2007 |
| 7111757 | Device and method for the volumetric measurement and dispensing of liquids Devices and methods for accurate volumetric measurement and dispensing of any liquid, regardless of that liquid's density and vapor pressure, are disclosed. This invention employs devices and methods which are used to eliminate free volume from a variable volume cha... | 09/26/2006 |
| 7094448 | Spray pack Disclosed is a spray pack for use in forming a uniform, stable spray coating, comprising a spray container device and, packed therein, a spraying composition comprising a liquid dispersion medium and, dispersed therein, particulate cellulose having an average degree... | 08/22/2006 |
| 7073499 | Inhaler with airflow regulation The present invention is generally directed to a respiratory delivery system (e.g. an inhaler) used to discharge an appropriate substance therefrom for inhalation by a user. The respiratory delivery system generally has at least one airflow inlet, at least one outle... | 07/11/2006 |
| 7025755 | Medical suctioning apparatus and methods of use A medical fluid suctioning device for selectively applying varied levels of suction pressure at a device-tissue interface includes a direct “trumpet”-type control mechanism in conjunction with a “venturi”-type control. A valve manifold is adapted to couple a... | 04/11/2006 |
| 7021571 | Spray device with flat fan nozzle The present invention relates to a portable device for spraying a liquid at low pressure, said device comprising a spray arm (220), and characterized in that the spray arm comprises at least one flat fan spray nozzle (230). Preferably, the liquid is a ... | 04/04/2006 |
| 6962273 | Cylinder and valve structures for liquid-dispensing containers A liquid-dispensing structure includes: an outer cylinder with a one-way valve at its lower end to allow a liquid to flow into the outer cylinder; a hollow piston being slidable inside the outer cylinder and having a pair of liquid-tight portions formed with circula... | 11/08/2005 |
| 6955278 | Dispenser for paste-like products A dispenser includes an improved closure arrangement for sealing the dispenser in such a manner that oxidation of the paste-like product to be dispensed is avoided. The main headpiece is spring biased upwardly toward a first position relative to the container and to... | 10/18/2005 |
| 6948495 | Powder inhaler An inhaler device comprising a container for powdered medicament, an inhalation channel, a movable metering member, a depressible actuator and a multiple dosage preventing means for locking the depressible actuator after use such that the actuator is unlocked only u... | 09/27/2005 |
| 6926175 | Constant discharge structure for nozzle head lowering type vacuum cosmetic container Disclosed is a constant discharge structure for a nozzle head lowering type vacuum cosmetics container for containing high functional cosmetics. The constant discharge structure includes a liquid collecting chamber having a liquid inflow hole in the lower portion of... | 08/09/2005 |
| 6918515 | Liquid container In a liquid container, the dimension of inside diameter of a liquid supply portion is not subject to any restriction, and also a liquid leakage suppressing mechanism that is not subject to any restriction by the viscosity of stored liquid is provided. A liquid conta... | 07/19/2005 |
| 6918510 | Wire frame mounting structure for ornaments within a container A pump, spray or suction actuated dispenser with a suction tube extending into a container, wherein the suction tube is used to mount a helix, and the helix carries at least one ornamental figure. ... | 07/19/2005 |
| 6702158 | Knocking-type liquid container A knock-type liquid container includes a body having a tank that holds a liquid, and an outlet provided at a forward end, a piston in the tank, and a piston-advancing mechanism having a knocking body that projects rearwardly of the body for advancing the ... | 03/09/2004 |
| 6681962 | Liquid dispensing pump A liquid dispensing pump, which can effectively prevent coil spring corrosion and elution, is described. This liquid dispensing pump is used for dispensing a liquid stored inside a liquid-storing unit from a nozzle head by pressing down said nozzle head p... | 01/27/2004 |
| 6637671 | Reduced risk dispensing of petroleum distillate based household products A dispenser for petroleum distillate based household products, such as furniture oil, baby oil, or the like, comprises a non-pressurized spray bottle comprising a reduced volume spray apparatus which dispenses less than about 0.8 ml per actuation, and a r... | 10/28/2003 |
| 6581805 | Viscous fluid compound applicator A viscous applicator having a chamber for holding viscous fluid such as dry wall compound. A one-way filling valve and a discharge nozzle are located on the chamber. The nozzle is opened and closed using a pull rod connected to a seal on one end. The seco... | 06/24/2003 |
| 6564976 | Visco elastic displacement controller A deformable polymeric member is drawn or forced through or over a die at an imperceptible rate of travel whereby the visco elastic characteristics of the polymeric member delay and control the displacement for external utility. With appropriate component... | 05/20/2003 |
| 6550643 | Dispenser for viscous fluids A dispenser for viscous fluids such as plastisol inks includes a frame, a plunger mechanism having a plunger that is adapted to engage a container containing the fluid, and a drive mechanism for vertically advancing the plunger into the container. The plu... | 04/22/2003 |
