Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Packaging & Containers
Class Information
Number: 222/496
Name: Dispensing > Outlet element operated by pressure of contents > Reciprocable, nonpivoted > With biasing means
Description: Dispensers in which the movable element is biased by spring or any means other than its own weight.


Sub-classes under this class:

Class Number Class Name Patents
222/497 With additional means to hold against motion 10


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7311226 Mixed liquid dispensing apparatus Dec. 25, 2007
7249694 Valve mechanism for tube-type fluid container Jul. 31, 2007
7228870 Fuel saving valve assembly Jun. 12, 2007
7140517 Valve mechanism for tube shaped fluid container Nov. 28, 2006
6938800 Automatic dispensing cap for squeezable bottle Sep. 6, 2005
6854623 Tube-type container Feb. 15, 2005
6662973 Fluid flow control valve/seal for fluid dispensers Dec. 16, 2003
6609666 Unitary over-mold non-clog system with positive shutoff Aug. 26, 2003
6581808 Cap for dispensing container having separate dispensing orifice and air intake passage Jun. 24, 2003
6547108 Pressure-activated flexible valve Apr. 15, 2003
6412665 Container valve Jul. 2, 2002
6378742 Fluid dispensing closure Apr. 30, 2002
6343724 Unitary one-way valve for fluid dispenser Feb. 5, 2002
6334551 Container valve Jan. 1, 2002
6309059 Cartridge stopper with a valve function Oct. 30, 2001
6286732 Dispenser valve with increased flow capacity Sep. 11, 2001
6286725 Contamination-safe multi-dose dispensing and delivery system for flowable materials Sep. 11, 2001
6267266 Non-contact liquid material dispenser having a bellows valve assembly and method for ejecting liquid material onto a substrate Jul. 31, 2001
6161732 Push-button comprising a movable nozzle for dispensing pressurized fluids Dec. 19, 2000
6131776 Packaging and pressurized dispensing assembly with extemporaneous pressurization Oct. 17, 2000
5862955 Creamy substance dispenser having non-return valve Jan. 26, 1999
5850908 Pressure sensitive cap closure and valve Dec. 22, 1998
5842616 Atomized liquid dispenser applicable to manually operated pumps Dec. 1, 1998
5842611 Dispensing device Dec. 1, 1998
5803311 Bottle closure for squeezing bottle Sep. 8, 1998
5779106 Atomized liquid dispenser Jul. 14, 1998
5636768 Manually operated trigger type dispenser Jun. 10, 1997
5566869 Arm supported drinking container Oct. 22, 1996
5558258 Dispenser for dispensing atomized fluids under pressure, provided with a shut-off element operated by the pressurized fluid Sep. 24, 1996
5553756 Dispenser with pressure operated, spring biased, reciprocating piston valve Sep. 10, 1996
5465879 Disposable nozzle assembly for high speed viscous material droplet dispenser Nov. 14, 1995
5429275 Dispenser of doses of liquids and paste-like masses Jul. 4, 1995
5409144 Dispensing valve for packaging Apr. 25, 1995
5377877 Dispensing valve for packaging Jan. 3, 1995
5370318 Atomizing nozzle for producing a spray from a liquid under pressure Dec. 6, 1994
5370317 Atomizing device for producing a spray from a liquid under pressure Dec. 6, 1994
5366115 Deformable container for delivering liquid Nov. 22, 1994
5339995 Dispensing valve for packaging Aug. 23, 1994
5339999 Easy cleaning metering device Aug. 23, 1994
5312019 Dispenser having a refillable cup May. 17, 1994
5275312 One-way valve suitable for use in particular in a container supplying a liquid under pressure Jan. 4, 1994
5273191 Dispensing head for a squeeze dispenser Dec. 28, 1993
5242089 Miniature pump sprayer Sep. 7, 1993
5213236 Dispensing valve for packaging May. 25, 1993
5205440 Dispensing valve/coupling assembly Apr. 27, 1993
5197638 Self sealing product delivery system Mar. 30, 1993
5195665 Closable pushbutton having multiple jets Mar. 23, 1993
5190190 Moldable two-part valve body Mar. 2, 1993
5145083 Cap device for mouthpiece of container and methods of sealing mouthpiece portion of container and opening the same Sep. 8, 1992
5129551 Automatic dispensing system for liquids Jul. 14, 1992

1 2


 
 
  Recently Added Patents
Interactive wallpaper weather map
Active sensor circuitry for operating at low power and low duty cycle while monitoring occurrence of anticipated event
Photographing system
Compensation for spectral power tilt from scattering
Elastic shaft coupling
Composition for therapeutic and cosmetic botulinum toxin
Rear projection display apparatus and transmission type screen
  Randomly Featured Patents
Chain drum for chain conveyors
Covers for distribution lines and insulators
Plasma processing apparatus with reduced parasitic capacity and loss in RF power
Transmission control system
Can lid closure and method of joining a can lid closure to a can body
Soft magnetic thin film
Direct-measured DLL circuit and method
Mechanical housing
Mobilizing splint with reversible motorization assembly
Bagless canister vacuum cleaner