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Browse by Category: Main > Packaging & Containers
Class Information
Number: 222/414
Name: Dispensing > With discharge assistant (e.g., impeller, pump, conveyer, movable trap chamber, etc.) > Rotary > Peripheral surface material contact
Description: Dispensers having the peripheral surface of the rotor in contact with the material to move the same, the material moving circumferentially of the rotor axis.










Patents under this class:
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Patent Number Title Of Patent Date Issued
7713043 Apparatus for uniform feeding of powders May. 11, 2010
7143907 Dispenser assembly including a rotating dispensing carousel Dec. 5, 2006
7083069 Bulk material discharge assembly with feeding apparatus Aug. 1, 2006
6708854 Dispenser of substances for agricultural uses Mar. 23, 2004
6607096 Volumetric ice dispensing and measuring device Aug. 19, 2003
6523726 Apparatus and method for controlled feeding of particulate material Feb. 25, 2003
6425500 Hand held salt dispensing device Jul. 30, 2002
6398046 Drum roller dispenser for dry particles, particularly polymeric erosion control agents Jun. 4, 2002
6305573 Dispenser for frangible frozen food articles Oct. 23, 2001
6250513 Device for metering a powder Jun. 26, 2001
5944233 Granular material dispensing apparatus Aug. 31, 1999
5873533 Vertical axis metering device for a particulate material dispenser Feb. 23, 1999
5845818 Removable meter cartridge for metering system Dec. 8, 1998
5740746 Seed material dispensing system for an agricultural planter Apr. 21, 1998
5454493 Apparatus for the distribution of particulate material upon a surface Oct. 3, 1995
5427283 Dispenser for powder or granular material Jun. 27, 1995
5421513 Conveying device for exact metering, wherein at least one projecting body is rotated in an inner, disrupted threaded groove, and a use therefor Jun. 6, 1995
5407103 Apparatus for discharging particle material Apr. 18, 1995
5373974 Droplet dispenser Dec. 20, 1994
5332133 Powder supplying apparatus and powder spraying apparatus Jul. 26, 1994
5328054 Automatic portioning and weighing arrangement Jul. 12, 1994
5322220 Toy ink applicator Jun. 21, 1994
5307952 Top dresser May. 3, 1994
5056715 Apparatus for mixing and spraying a slurry Oct. 15, 1991
4938650 Spreading apparatus for attachment to tractors Jul. 3, 1990
4932568 Tip-over drum Jun. 12, 1990
4878603 Toner replenishing device Nov. 7, 1989
4832554 Apparatus for charging combustible materials May. 23, 1989
4784081 Mixing device for cross-blending of developer mix in developing stations of electrophotographic printer devices Nov. 15, 1988
4753374 Metering apparatus Jun. 28, 1988
4744493 Toner replenishing device May. 17, 1988
4738608 Unit for molding concrete mix Apr. 19, 1988
4657431 Non-uniform size particulate spreader Apr. 14, 1987
4643365 Apparatus for adding grinding media to a grinding mill Feb. 17, 1987
4611730 Toner replenishing device Sep. 16, 1986
4607979 Hydraulically-powered rock spreader Aug. 26, 1986
4565451 Method and apparatus for combining granular components Jan. 21, 1986
4513918 Dispensing apparatus Apr. 30, 1985
4480948 Machine for applying pellets and powder Nov. 6, 1984
4399933 Toner dispensing apparatus Aug. 23, 1983
4397409 Toner dispensing apparatus Aug. 9, 1983
4392587 Applicator for granular material Jul. 12, 1983
4368184 Method for the application of antiperspirant powder compositions Jan. 11, 1983
4324764 Apparatus for continuous leaching of ores Apr. 13, 1982
4314515 Seed singulator Feb. 9, 1982
4292014 Feed mechanism comprising an endless member configured as a double helix Sep. 29, 1981
4288008 Agricultural spreader device of modular design for pulverulent material Sep. 8, 1981
4264023 Agricultural dispensing mechanisms Apr. 28, 1981
4259912 Agricultural dispensing mechanism Apr. 7, 1981
4254897 Seed and fertilizer metering mechanism for agricultural drilling machines Mar. 10, 1981

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