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Browse by Category: Main > Packaging & Containers
Class Information
Number: 222/255
Name: Dispensing > With discharge assistant (e.g., impeller, pump, conveyer, movable trap chamber, etc.) > Plural > Pumps only
Description: Dispensers in which all the discharge assistants are pumps.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8701935 Water gun Apr. 22, 2014
8636039 Methods, devices and systems for refilling a fluid dispenser Jan. 28, 2014
8613377 Hot melt adhesive metering pump assembly with integral reservoir tank Dec. 24, 2013
8561656 Adaptable bench top filling system Oct. 22, 2013
8550298 Microfluidic dispensing assembly Oct. 8, 2013
8517223 Two stage grease gun Aug. 27, 2013
8419722 Apparatus and method for injection of fibrin sealant in spinal applications Apr. 16, 2013
8413847 Rotary nozzle recirculation systems Apr. 9, 2013
8240513 Fluid dispenser with nested displacement members Aug. 14, 2012
8196780 Rotary foam pump Jun. 12, 2012
8100293 Microfluidic dispensing assembly Jan. 24, 2012
8070020 Remote hot melt adhesive metering station Dec. 6, 2011
8047407 Apparatus and method for delivery of biologic sealant Nov. 1, 2011
7874456 Modular system for delivering hot melt adhesive or other thermoplastic materials, and pressure control system therefor Jan. 25, 2011
7770760 Modular system for the delivery of hot melt adhesive or other thermoplastic materials Aug. 10, 2010
7677414 Device for applying foamed hot melt adhesive, and method for selectively applying foamed hot melt adhesive and solid hot melt adhesive Mar. 16, 2010
7665634 Sink organizer Feb. 23, 2010
7632078 Pump cassette bank Dec. 15, 2009
7588170 Dispensing unit Sep. 15, 2009
7510101 Dual chamber lotion pump Mar. 31, 2009
7472805 Beverage dispenser Jan. 6, 2009
7383967 Apparatus and methods for pumping high viscosity fluids Jun. 10, 2008
7182224 Device for portioning flowable food products Feb. 27, 2007
7097073 Water gun with adjustable force pressure chamber Aug. 29, 2006
7093774 Device for injecting a pulsed supersonic gas stream Aug. 22, 2006
6811058 Valve assembly Nov. 2, 2004
6729560 Dual component trigger sprayer which mixes components in discharge passage May. 4, 2004
6637625 Continuous positive displacement metering valve Oct. 28, 2003
6607099 Air drive system Aug. 19, 2003
6573884 ADA convertible input display Jun. 3, 2003
6550694 Dual component trigger sprayer which mixes components in discharge passage Apr. 22, 2003
6463611 Apparatus for dispensing incompatible chemicals to a common utilization point Oct. 15, 2002
6440311 System and method for monitoring a dosage pump in a dialysis machine Aug. 27, 2002
6422427 Dispensing tool and system for reloading the tool Jul. 23, 2002
6422428 Segmented applicator for hot melt adhesives or other thermoplastic materials Jul. 23, 2002
6419841 Fluid dispensing system Jul. 16, 2002
6325932 Apparatus and method for pumping high viscosity fluid Dec. 4, 2001
6321946 Fusionmate two part adhesive dispensing system Nov. 27, 2001
6251293 Fluid dispensing system having independently operated pumps Jun. 26, 2001
6234359 System for reloading dispensing tools May. 22, 2001
6193111 Powered condiment pumping system Feb. 27, 2001
6190565 Dual stage pump system with pre-stressed diaphragms and reservoir Feb. 20, 2001
6186193 Continuous liquid stream digital blending system Feb. 13, 2001
6173867 Installation for conveying a liquid and use of the installation Jan. 16, 2001
6129245 Washing system with auxiliary reservoir Oct. 10, 2000
6105829 Fluid dispensing system Aug. 22, 2000
5988451 Washing system Nov. 23, 1999
5941418 Multiple fluid dispensing system Aug. 24, 1999
5890718 Self-service gasoline pump system with game function Apr. 6, 1999
5829635 Toy water gun having a continuous water output Nov. 3, 1998

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