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Class Information
Number: 222/333
Name: Dispensing > With discharge assistant (e.g., impeller, pump, conveyer, movable trap chamber, etc.) > Motor operated
Description: Dispensers having a motor to operate same.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4856676 |
Post mix dispenser |
Aug. 15, 1989 |
| 4850513 |
Control system and method for high production plaster pump |
Jul. 25, 1989 |
| 4848606 |
Apparatus for dispensing a predetermined volume of paste-like fluid |
Jul. 18, 1989 |
| 4823992 |
Metering device for feeding liquids to a mixing head |
Apr. 25, 1989 |
| 4804109 |
Returnable container system |
Feb. 14, 1989 |
| 4801088 |
Portable battery powered sprayer |
Jan. 31, 1989 |
| 4799866 |
Spray pump with a motor driven drive rod |
Jan. 24, 1989 |
| 4796787 |
Apparatus for precisely measuring and supplying liquid |
Jan. 10, 1989 |
| 4793525 |
Apparatus for the dosing of a pulverulent solid material |
Dec. 27, 1988 |
| 4793524 |
Integrated reagent container and metered dispenser means |
Dec. 27, 1988 |
| 4790454 |
Self-contained apparatus for admixing a plurality of liquids |
Dec. 13, 1988 |
| 4781527 |
Cartridge pump |
Nov. 1, 1988 |
| 4770613 |
Apparatus for dispensing viscous lubricant |
Sep. 13, 1988 |
| 4769009 |
Apparatus for displacing a piston in a chamber having a torque resistor |
Sep. 6, 1988 |
| 4750641 |
Continuous water-ejecting pistol toy with simultaneous sound and red-flash effects |
Jun. 14, 1988 |
| 4749109 |
Volumetric pump with replaceable reservoir assembly |
Jun. 7, 1988 |
| 4738826 |
Reagent metering and delivery device |
Apr. 19, 1988 |
| 4735345 |
Water supply device of vacuum bottle |
Apr. 5, 1988 |
| 4731058 |
Drug delivery system |
Mar. 15, 1988 |
| 4718576 |
Fluid infusion pumping apparatus |
Jan. 12, 1988 |
| 4712716 |
Apparatus for metering dusting powder |
Dec. 15, 1987 |
| 4708268 |
Method and apparatus for the accurate volumetric feeding of materials |
Nov. 24, 1987 |
| 4706848 |
High efficiency battery operated water gun |
Nov. 17, 1987 |
| 4703770 |
Dispenser control circuitry |
Nov. 3, 1987 |
| 4696417 |
Refrigerated beverage dispenser, with whipper device |
Sep. 29, 1987 |
| 4682710 |
Multi-station viscous liquid distribution system |
Jul. 28, 1987 |
| 4676122 |
Fail-safe mechanical drive for syringe |
Jun. 30, 1987 |
| 4670010 |
Liquid-nebulizing device for the dermatological treatment of the hands |
Jun. 2, 1987 |
| 4666066 |
Thermoplastic grid melter |
May. 19, 1987 |
| 4653675 |
Hand-held motor-driven extruding device for dispensing a plastic substance |
Mar. 31, 1987 |
| 4651903 |
Motorized pump pressurized liquid sprayer |
Mar. 24, 1987 |
| 4643335 |
Delivery unit for ice creams garnished with flowing material |
Feb. 17, 1987 |
| 4635820 |
Bulk unloader of solidified thermoplastic material from pails and drums |
Jan. 13, 1987 |
| 4634431 |
Syringe injector |
Jan. 6, 1987 |
| 4632280 |
Ice dispensing mechanism |
Dec. 30, 1986 |
| 4619381 |
Method and apparatus for discharging materials from a storage bin |
Oct. 28, 1986 |
| 4618099 |
Electric spray |
Oct. 21, 1986 |
| 4615469 |
Electrically powered squeezer for dispensing a viscous substance |
Oct. 7, 1986 |
| 4610378 |
Closed container for food powders in automatic beverage distributing machines |
Sep. 9, 1986 |
| 4598840 |
Snap-in cartridge diluter |
Jul. 8, 1986 |
| 4597358 |
Powder sifter and dispenser |
Jul. 1, 1986 |
| 4595128 |
Apparatus for dispensing and distributing moist, self-adhering and compactible materials |
Jun. 17, 1986 |
| 4593835 |
Cryogenic liquefied pump system |
Jun. 10, 1986 |
| 4583934 |
Extruder for a fluid material |
Apr. 22, 1986 |
| 4572405 |
Control system for controlling a supply of fluid to an integral quantity |
Feb. 25, 1986 |
| 4570833 |
Pumping system |
Feb. 18, 1986 |
| 4570824 |
Doorbell actuated air freshener |
Feb. 18, 1986 |
| 4567998 |
Chemical dispenser for hay baler |
Feb. 4, 1986 |
| 4565304 |
Dosing apparatus for viscous liquid foodstuff |
Jan. 21, 1986 |
| 4537332 |
Beverage dispenser with improved in-bowl whipper |
Aug. 27, 1985 |
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