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Browse by Category: Main > Packaging & Containers
Class Information
Number: 222/288
Name: Dispensing > With discharge assistant (e.g., impeller, pump, conveyer, movable trap chamber, etc.) > With discharge volume varying means > Interchangeable, removable or selectively usable discharge assistant or element thereof
Description: Dispensers having a part or parts of the discharge assistant means exchangeable or removable bodily or to an inoperative relation or position to vary the output.










Sub-classes under this class:

Class Number Class Name Patents
222/289 Reversible 7


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8636039 Methods, devices and systems for refilling a fluid dispenser Jan. 28, 2014
8376207 Micro-fluidic injection molded solder (IMS) Feb. 19, 2013
8353892 Devices and methods for controlled-depth injection Jan. 15, 2013
8136714 Micro-fluidic injection molded solder (IMS) Mar. 20, 2012
7980446 Micro-fluidic injection molded solder (IMS) Jul. 19, 2011
7959612 Dual syringe injector system Jun. 14, 2011
7882987 Kitchen dispenser Feb. 8, 2011
7857166 Rotary feeding system Dec. 28, 2010
7631787 Powder metering tube for powder measuring device Dec. 15, 2009
7563409 Method of attaching a pipette tip and an apparatus for such method Jul. 21, 2009
7559442 Laundry soap dispensing apparatus Jul. 14, 2009
6740295 Method and device for detecting the type of replaceable piston-cylinder units for pipetting or dosing apparatus May. 25, 2004
6607099 Air drive system Aug. 19, 2003
6439440 Dispensing head for dispensing product Aug. 27, 2002
6321946 Fusionmate two part adhesive dispensing system Nov. 27, 2001
6293429 Variable-rate, digitally-controlled fluid metering device Sep. 25, 2001
5975355 Dosage unit measurer for syringe Nov. 2, 1999
5868284 Outlet with sampling port Feb. 9, 1999
5620661 Pipette system Apr. 15, 1997
5516006 Nasal dispenser May. 14, 1996
5509501 Device for metered delivery of a liquid or viscous substance to a point of consumption Apr. 23, 1996
5497713 Garden seeder Mar. 12, 1996
5211968 Dough dividing machine May. 18, 1993
5138979 Wide range fish feeder Aug. 18, 1992
5085351 Adjustable dose dispenser Feb. 4, 1992
5016780 Hand pump for dispensing bottles with shutoff arrangement for preventing spillage therefrom May. 21, 1991
4997111 Liquid dispensing apparatus Mar. 5, 1991
4938391 Convertible metering apparatus for different flowable goods of unlike consistency Jul. 3, 1990
4936486 Dosing apparatus for metering predetermined quantities of a sterilizing agent to a spray device Jun. 26, 1990
4895278 Stuffing-batching machines for food products Jan. 23, 1990
RE33083 Controlled dispensing apparatus Oct. 10, 1989
4834264 Dedicated multi-cavity dispenser for solids May. 30, 1989
4828148 Fluid mixing dispenser May. 9, 1989
4793523 Metering mechanism Dec. 27, 1988
4771919 Dispensing device for multiple components Sep. 20, 1988
4757918 Spreading apparatus Jul. 19, 1988
4693397 Dosing devices for viscous materials particularly highly viscous materials Sep. 15, 1987
4664298 Dual mode grease gun May. 12, 1987
4611731 Automatic metering apparatus Sep. 16, 1986
4610377 Fluid dispensing system Sep. 9, 1986
4593837 Variable volume pipette Jun. 10, 1986
4582229 Granular chemical meter feed wheel adjustment Apr. 15, 1986
4569463 Controlled dispensing apparatus Feb. 11, 1986
4545513 Metering device Oct. 8, 1985
4533070 Variable volume metering valve for dispensing beverage concentrates Aug. 6, 1985
4500017 Dispensing wheel and shaft mounting arrangement therefor Feb. 19, 1985
4438872 Dispensing apparatus Mar. 27, 1984
4427137 Metering valve for dispensing pressurized liquids Jan. 24, 1984
4415101 Incremental liquid dispensing device Nov. 15, 1983
4392592 Food dispensing gun Jul. 12, 1983

1 2










 
 
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