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Class Information
Number: 222/52
Name: Dispensing > Automatic control
Description: Dispensers having means to sense some condition, which means causes operation of a control device.


Sub-classes under this class:

Class Number Class Name Patents
222/58 By the weight of the material in the supply container 109
222/57 By weight, volume or pressure of a second dispensed material 132
222/55 Constant weight, volume or pressure control by output 293
222/59 Cutoff operated by rate of flow responsive mechanism 69
222/56 Delivery from source controlled by quantity in discharging receiver 287
222/53 Involving conveying conduit jacket and/or inert atmosphere (including vacuum) providing means 25
222/64 Material level control 303
222/63 Motor control 441
222/61 Of dispensers with fluid pressure discharge assistance 228
222/54 Temperature responsive or soluble controller 185


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
7621426 Electronically keyed dispensing systems and related methods utilizing near field frequency response Nov. 24, 2009
7611030 Apparatus for hands-free dispensing of a measured quantity of material Nov. 3, 2009
7591399 Variable flow water dispenser for refrigerator freezers Sep. 22, 2009
7588169 High sensitivity mechanical fluid level sensing device and method of use Sep. 15, 2009
7568358 Control for a refrigerator door dispenser light Aug. 4, 2009
7548798 Paste dispenser and method for controlling the same Jun. 16, 2009
7544289 Dosing engine and cartridge apparatus for liquid dispensing and method Jun. 9, 2009
7512415 Method and system for producing a scent from a hand-held device Mar. 31, 2009
7493774 Control system for a refrigerator ice/water dispenser Feb. 24, 2009
7481929 Water treatment system Jan. 27, 2009
7478749 Food preparation system Jan. 20, 2009
7477997 Method for ascertaining interferants in small liquid samples in an automated clinical analyzer Jan. 13, 2009
7469801 Automatic machine for dosing water and dental alginate Dec. 30, 2008
7451894 Dispenser with thumbprint reader Nov. 18, 2008
7448515 Automatic machine for dosing water and dental alginate Nov. 11, 2008
7416900 Sample introduction system Aug. 26, 2008
7407065 Method of discharging an aerosolized fluid Aug. 5, 2008
7396510 Device and method for dosing small amounts of liquid Jul. 8, 2008
7390119 Method and apparatus for storing and delivering liquid color materials Jun. 24, 2008
7374066 Dispenser for a flowable product May. 20, 2008
RE40310 Water purification system and method including dispensed volume sensing and control May. 13, 2008
7364053 Sink side touchless foam dispenser Apr. 29, 2008
7360674 Controllable door handle sanitizer system and method Apr. 22, 2008
7356381 Refrigerator operable to display an image and output a carbonated beverage Apr. 8, 2008
7334706 Method and apparatus for cleansing a mixing device during a dispense Feb. 26, 2008
7331483 Beverage dispenser Feb. 19, 2008
7328815 Liquid beverage conductivity detecting system Feb. 12, 2008
7320418 Controllable door handle sanitizer system and method Jan. 22, 2008
7318537 Method and apparatus for controlling the speed and/or direction of movement of a screw discharger Jan. 15, 2008
7311879 Syringe pump Dec. 25, 2007
7306119 Dispensing material produced by a chemical reaction Dec. 11, 2007
7299944 Fluid dispenser calibration system and method Nov. 27, 2007
7284680 Electrovalve dispenser device for a refrigerator Oct. 23, 2007
7258783 Fluid delivery system for a water tub using a removeable chemical carrier Aug. 21, 2007
7247272 Method of the dosed application of a liquid onto a surface Jul. 24, 2007
7210601 Variable flow water dispenser for refrigerator freezers May. 1, 2007
7190276 System and methods for detecting harmful agents within contents of mail Mar. 13, 2007
7188754 Automatic dosing device and the use of such an automatic dosing device Mar. 13, 2007
7186330 Disinfectant system for use with residential aerobic wastewater treatment plants Mar. 6, 2007
7174310 Point of sale cosmetic station Feb. 6, 2007
7163126 Heated water control system, method, and apparatus Jan. 16, 2007
7152758 Scented material dispense system for a hand-held device Dec. 26, 2006
7099740 Nail polish color selection system Aug. 29, 2006
7070067 Modular fluid-dispensing system Jul. 4, 2006
7032780 Refrigerator that displays beverage images, reads beverage data files and produces beverages Apr. 25, 2006
7028725 Method and apparatus for dispensing ice and water Apr. 18, 2006
7028561 Fuel dispenser fuel meter error detection device, system and method Apr. 18, 2006
7001466 Systems and methods for automatic and continuous coating supply during optical fiber production Feb. 21, 2006
6990391 Method and apparatus to control a beverage or dessert dispenser Jan. 24, 2006
6985798 Dry powder dose filling systems and related methods Jan. 10, 2006

1 2 3 4 5 6 7


 
 
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