In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 8141754 | Pressurized fluid dispenser A pressurized fluid dispenser includes a base unit and a reservoir. The base unit includes a pump and a battery compartment including electrical contacts electrically connected with the pump. The reservoir is supported by and selectively removable from the base unit... | 03/27/2012 |
| 8136705 | Magnetic drive for dispensing apparatus A dispenser for dispensing a volume of viscous material on a substrate includes a frame, a gantry system coupled to the frame, and a dispenser unit coupled to the gantry system. The dispenser unit includes a housing having a chamber, and a piston disposed in the cha... | 03/20/2012 |
| 8127971 | Frosting dispenser with removable and washable cartridge assembly and cartridge assembly filling disk and filling method A dispenser system for flowable material includes several interchangeable cartridge assemblies for retaining flowable material, each cartridge assembly including a dispensing piston sealingly and slidably retained within a cylinder, the cylinder having a distal cyli... | 03/06/2012 |
| 8038037 | Utensil dispenser system A dispenser for food material that facilitates spreading of the material is disclosed. The dispenser can comprise a unitary construction, or can be composed of a plurality of components that can be fastened together. Disposable cartridges containing food material ca... | 10/18/2011 |
| 7997456 | Grease gun An apparatus converts rotary motion of a motor drive shaft into oscillatory motion of a work piece, for example, in a power tool. The apparatus comprises a planetary gear assembly connected to the motor for rotating an output gear. The output gear meshes with a driv... | 08/16/2011 |
| 7950549 | Powered dispenser with interchangeable cartridges An electric or battery powered hand tool, which dispenses a wide variety of semi-soft materials. It is held in one hand and dispenses the material by pressing a pressure sensitive flow-control button. The power of the motor is adjustable, depending upon the consiste... | 05/31/2011 |
| 7896201 | Dispensing device A dispensing device (11) for dispensing one-component or multi-component masses contained in vessels has a piston rod (21) and a forward feed mechanism (31). The forward feed mechanism (31) has a first clamping lever (32) and a sec... | 03/01/2011 |
| 7896202 | Disposable integrated bag and pump A disposable pump for a collapsible reservoir has an upper chamber, a lower chamber and a seal base in between. The upper and lower chambers have flexible sections or bellows that expand or contract the chambers, and the seal base has a rigid rod that selectively fo... | 03/01/2011 |
| 7823754 | Wax delivery system of a saw blade lubricating apparatus A saw blade lubricating apparatus has a barrel with an outlet at one end thereof, a drive cooperative with the barrel for extruding wax outwardly of the outlet of the barrel, a dispenser block connected by a conduit to the barrel and having a wax inlet and a wax out... | 11/02/2010 |
| 7770760 | Modular system for the delivery of hot melt adhesive or other thermoplastic materials A modular system, for delivering hot melt adhesive or other thermoplastic materials, comprises a modular metering assembly, having a plurality of metering stations disposed therein, which is able to be attachably and detachably mounted upon a modular tank or supply ... | 08/10/2010 |
| 7766194 | Motorized household liquid dispenser A household liquid dispensing apparatus includes a container for holding a household liquid and a pump for pumping the household liquid out of the container. The pump includes a pump chamber. A dip tube is adapted to be positioned in the container and communicates w... | 08/03/2010 |
| 7735695 | Liquid material delivering method and device therefor A liquid delivering method and a liquid delivering device are provided, which solve the prior art problems including damages to a plunger and a valve seat. A liquid material delivering method includes the steps of advancing at high speed a liquid material delivering... | 06/15/2010 |
| 7631788 | Fluid dispensing system suitable for dispensing liquid flavorings An apparatus and method for dispensing a discrete volume of fluid. The apparatus includes a pump operable in discrete cycles, a power source connected to the pump, and a controller connected to at least one of the pump and the power source. The controller is configu... | 12/15/2009 |
| 7584872 | Fluid dispensing or feeding device A fluid dispensing device includes a pressurizing device coupled between a fluid bottle and a discharge tube for forcing the fluid to flow through the discharge tube without gravity, the pressurizing device includes a container having an inclined inner peripheral su... | 09/08/2009 |
| 7578419 | Disposable integrated bag and pump A disposable concentrate pump where the small pump body is part of a liquid collapsible bag reservoir, and the actuating solenoid is mounted in the dispenser. When a new bag is loaded, the attached pump body is inserted into a solenoid. When the bag is empty the in-... | 08/25/2009 |
| 7533787 | Motor housing and support assembly for a system for dispensing soap An automatic fluid soap dispensing apparatus and method including a dispensing spout, housing operatively connected to the dispensing spout and the housing adapted to removably receive and hold a fluid soap containing reservoir module in communication with the dispe... | 05/19/2009 |
| 7527178 | Electronic viscous liquid dispenser An electronic self contained viscous liquid dispenser includes a housing defining an internal liquid reservoir. A dispensing pump mechanism is carried by the housing and disposed in liquid communication with the reservoir. The pump mechanism has a delivery end dispo... | 05/05/2009 |
| 7516873 | Fluid dispensing or feeding device A fluid dispensing device includes a fluid bottle, a discharge tube, a pressurizing device coupled between the bottle and the discharge tube for forcing the fluid to flow through the discharge tube without gravity, the pressurizing device includes a container couple... | 04/14/2009 |
| 7503467 | Rotary and/or linear actuator system for controlling operation of an associated tool A rotary-linear system is configured to operate an associated tool. The system includes a rotary-linear actuator having first and second portions that can move linearly and/or rotationally relative to each other, such as about a central axis extending through the ac... | 03/17/2009 |
| 7420341 | Power tool and motor controller A method and apparatus to automatically reverse the motor of a power tool, such as a dispensing gun or similar tool. In some constructions, a controller automatically reverses the direction of plunger movement and removes the plunger from contact with the back wall ... | 09/02/2008 |
| 7416096 | Apparatus for supplying liquid color A container of liquid color material has a diaphragm liquid color pump located therewithin for providing liquid color from the container and non-drip apparatus for releaseably connecting the container with a blender for supply of liquid color thereto and methods for... | 08/26/2008 |
| 7416399 | Handheld extruder welding device Handheld extruder welding device for welding thermoplastic synthetic materials, including an extrusion screw with an attachment shaft and a device for the axial attachment of the extrusion screw with the attachment shaft to a gear-equipped drive system; where a one-... | 08/26/2008 |
| 7387221 | Fluid discharge pumping apparatus A fluid discharge pumping apparatus includes: a drive mechanism; a cylinder; an outflow valve mechanism and an inflow valve mechanism coupled to the cylinder; a piston member inside the cylinder; and a piston-supporting member attached to the piston member driven by... | 06/17/2008 |
| 7384006 | Power sprayer The present invention is a dispenser adapted to be coupled to a fluid container. The dispenser comprises a dispensing head, an energy source, and a fluid pathway. The dispensing head includes a fluid pump, a motor adapted to power the pump, a trigger adapted to cont... | 06/10/2008 |
| 7374067 | Handheld extruder welding device Handheld extruder welding device for welding thermoplastic synthetic materials, including an extruder screw, a drive system for the extruder screw in an axial extension of the extruder screw, and a hot air unit with a blower, where the blower and the drive system ar... | 05/20/2008 |
| 7371241 | Multi-use surgical cement dispenser apparatus and kit for same The present invention is directed to a system and method for percutaneous delivery of bone cement during a surgical procedure. The system of the present invention has a plunger assembly 100, comprising: a shaft having a first end, a middle section, and a seco... | 05/13/2008 |
| 7360719 | Apparatus for applying loose fill insulation An improved apparatus for applying loose fill insulation generally includes an insulation feed portion and an insulation gun. The insulation feed portion is driven by a motor which is controlled by a clutch and a clutch control circuit. An insulation gun is mounted ... | 04/22/2008 |
| 7354255 | Piston vibratory pump The present invention is an improved vibratory pumping mechanism that increases the efficiency of utilization of the vibratory motion within a mechanism. More specifically, the mechanism includes a central chamber within which a piston is oscillated to draw fluid in... | 04/08/2008 |
| 7347386 | Sprayer with changeable volume A sprayer with a changeable volume includes a container, a pump, a first pipe, a second pipe and a nozzle. The container includes an upper wall and a lower wall. The upper wall can be compressed while not containing water and extensible for containing water. The low... | 03/25/2008 |
| 7331482 | Dispense pump with heated pump housing and heated material reservoir A heated dispense pump overcomes the limitations of conventional systems providing for reliable and efficient heating of the dispensed material in a system that is compact, lightweight, and accurate. A pump housing and cartridge body are formed of a thermally conduc... | 02/19/2008 |
| 7328859 | Power sprayer The present invention is a dispenser adapted to be coupled to a fluid container. The dispenser comprises a dispensing head, an energy source, and a fluid pathway. The dispensing head includes a fluid pump, a motor adapted to power the pump, a trigger adapted to cont... | 02/12/2008 |
| 7328861 | Particulate material spreader An electrically powered hand-held material spreader for spreading particulate material comprising: a hopper; a dispensing mechanism disposed below the hopper; an aperture disposed at a bottom of the hopper and above the dispensing mechanism; an electric power assemb... | 02/12/2008 |
| 7318539 | Pump drive unit for battery operated fluid dispensers A battery operated, handheld fluid dispenser comprises a supply container having a body portion and a narrow neck extending upwardly therefrom. A pump and discharge unit is mounted on the upper end of the neck and comprises a pump diaphragm and pump chamber for pump... | 01/15/2008 |
| 7316121 | Dispenser of icemaker in refrigerator Disclosed is a dispenser of an icemaker in a refrigerator for maximizing an inner space when a total size is the same, and for minimizing the total size when the inner space is the same. The dispenser of the icemaker in the refrigerator includes an ice chute being a... | 01/08/2008 |
| 7311223 | Apparatus for dispensing a plurality of powders and method of compounding substances An apparatus for dispensing a plurality of powders, such as colorants for paint, caulking or grout or components of cosmetics, comprising a plurality of containers for holding the powders, a plurality of metering powder pumps, connected to a container or having a co... | 12/25/2007 |
| 7303096 | Liquid delivery system A liquid delivery system includes a first reservoir having a first outlet through which liquid is delivered. A first delivery outlet is located at the lower portion of the first reservoir and a vent is included at its upper portion. A second reservoir located above ... | 12/04/2007 |
| 7289878 | Apparatus and method for modifying operation of an electric gun driver A method and apparatus for providing adjustment of current-related dispensing parameters in an electric dispensing gun. A control circuit receives user-selected inputs corresponding to dispensing parameters of the gun and converts those inputs into digital signals. ... | 10/30/2007 |
| 7288719 | Hazardous location sealing gland A sealing gland (20) suitable for use in a hazardous environment is adapted to prevent fluid flow, pressure transmission and flame propagation between the gland and the penetrant portions of insulated electrical wires passing therethrough, and within and alon... | 10/30/2007 |
| 7281643 | Automatic soap dispenser structure An improved automatic soap dispenser structure includes a motor and a gear wheel module installed in a driving device of a soap dispenser to transmit a driving wheel and uses an eccentric wheel disposed on the driving wheel to produce an eccentric effect, characteri... | 10/16/2007 |
| 7278555 | Dispensing apparatus A dispensing apparatus is provided for dispensing viscous product from containers of product, usually by extruding product from a container outlet. Product is discharged by a plunger which causes product to be discharged, and the plunger is operated by a drive arran... | 10/09/2007 |