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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Packaging & Containers
Class Information
Number: 222/389
Name: Dispensing > With discharge assistant (e.g., impeller, pump, conveyer, movable trap chamber, etc.) > Container with follower > Fluid pressure actuated
Description: Dispensers in which the follower is operated by fluid under pressure.


Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
7617953 Pneumatic dispensing system with linear actuation and method Nov. 17, 2009
7581660 Drip-resistant pipetting device and drip-resistant pipetting method Sep. 1, 2009
7556689 Device for spreading viscous thermal medium on heat dissipation device for electronic component Jul. 7, 2009
7490735 Method and apparatus for dispensing a hot-melt adhesive Feb. 17, 2009
7481333 Propellant actuated dual fluid cartridge Jan. 27, 2009
7475797 Liquid supply apparatus Jan. 13, 2009
7467733 Pressure control device for maintaining a constant predetermined pressure in a container Dec. 23, 2008
7464838 Viscous material application apparatus Dec. 16, 2008
7458487 Plunger for syringe of liquid dispenser Dec. 2, 2008
7455199 Frozen aerated product in a container and a valve for dispensing such Nov. 25, 2008
7448557 Application and method to disperse substance contained in a replaceable cartridge Nov. 11, 2008
7431033 Gas dispensing and recovery apparatus Oct. 7, 2008
7387681 Liquid dispensing method and apparatus Jun. 17, 2008
7334709 Pneumatic caulking gun Feb. 26, 2008
7325702 Orthopaedic paste delivering tool and method for continually delivering the paste Feb. 5, 2008
7308991 Blown bottle with intrinsic liner Dec. 18, 2007
7306442 Pneumatic mud stamp Dec. 11, 2007
7296714 Device for dispensing a heated liquid having a flexible hydraulic seal Nov. 20, 2007
7296707 Method and apparatus for dispensing a hot-melt adhesive Nov. 20, 2007
7275663 Dispensing device using multiple gas cartridges Oct. 2, 2007
7261220 Cordless DC caulk gun Aug. 28, 2007
7252111 Transport of highly viscous fluids in closed pipeline systems Aug. 7, 2007
7216782 Dispenser for discharging liquid material May. 15, 2007
7188753 Pressure release connection and pneumatic dispensing device Mar. 13, 2007
7185792 Dispensing device with rack and pinion drive for nozzle valve Mar. 6, 2007
7182229 Device for dispensing liquid having an improved seal assembly Feb. 27, 2007
7163130 Portable gas powered fluid dispenser Jan. 16, 2007
7159508 Tank piston seal and stabilizing system Jan. 9, 2007
7157076 Aerosol device comprising a hair treatment composition, and hair treatment process Jan. 2, 2007
7147136 Device for applying free-flowing material to a substrate moveable with respect thereto Dec. 12, 2006
7128244 Safety cap for fluid dispensing cartridges Oct. 31, 2006
7114517 High purity fluid delivery system Oct. 3, 2006
7100804 Dispenser with a metering device Sep. 5, 2006
7097073 Water gun with adjustable force pressure chamber Aug. 29, 2006
7093606 Liquid fertilizer injector system for lawn sprinkler systems and irrigation systems Aug. 22, 2006
7073689 Dispenser with a metering device Jul. 11, 2006
7044404 Pneumatic liquid-delivery device May. 16, 2006
7021498 Urethane spray gun assembly Apr. 4, 2006
7021348 Device for sealing and inflating an inflatable object Apr. 4, 2006
6976609 Container with seal on the container lid Dec. 20, 2005
6964356 Liquid supply apparatus Nov. 15, 2005
6957747 Hydraulically and volumetrically dispensing fluid Oct. 25, 2005
6945435 User-refillable liquid dispensing container with vacuum actuated piston Sep. 20, 2005
6929161 Cartridges for dispensing fluent material Aug. 16, 2005
6923342 Systems for dispensing multi-component products Aug. 2, 2005
6884055 Potting compound injection apparatus and method of injecting potting compound into panel cells Apr. 26, 2005
6883687 Continuously shooting pneumatic grease gun structure Apr. 26, 2005
6880732 Piston for pressurized container Apr. 19, 2005
6860870 Self-cleaning fluid delivery device for medical applications Mar. 1, 2005
6857543 Low volume dispense unit and method of using Feb. 22, 2005

1 2 3 4 5 6 7 8 9


 
 
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