Push up dispenser with capsule valve

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4964544
SERIAL NO

07232679

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A push up fluid dispenser having a fluid storage container and a vertically oriented plunger carried in the container, with the plunger being manually pushable upward for dispensing fluid from the container. The container includes a valve cylinder mounted in the container and having an upper opening and an interior passage for slidingly receiving the plunger, and the plunger having a fluid flow passage therein providing a flow path from the cylinder interior to the exterior of the dispenser. A first one-way valve is disposed for control of fluid flow into the cylinder interior through an upper opening and a second one-way valve is disposed for control of fluid flow from the cylinder interior into the plunger passage, with a spring between the cylinder and plunger urging the plunger downward.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
BOBRICK WASHROOM EQUIPMENT, INC.NORTH HOLLYWOOD, CA72

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hanna, Emmanuel A Lakeview Terrace, CA 25 516
Loewenthal, Henry J Santa Monica, CA 3 166

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Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (4)
* 5209377 Disposable refill cartridge for a liquid soap dispensing system 35 1992
* 5601212 Dispensing unit for a threaded neck bottle 24 1995
* 8783520 Dispenser 1 2012
* 2013/0043,279 DISPENSER 1 2012
 
BRADLEY CORPORATION (11)
D655959 Combination dispenser and waste receptacle 3 2010
D657173 Dispenser 3 2011
D657519 Waste receptacle 1 2011
D655957 Dispenser 1 2011
D655958 Dispenser 6 2011
D655955 Dispenser 5 2011
D655960 Combination dispenser and waste receptacle 2 2011
D663560 Dispenser 3 2012
D661447 Waste receptacle 4 2012
D674161 Waste receptacle 0 2012
D685591 Dispenser 4 2012
 
UNILEVER HOME & PERSONAL CARE USA, DIVISION OF CONOPCO, INC. (2)
* 7048153 Foam dispensing article 7 2003
* 2005/0067,435 Foam dispensing article 1 2003
 
JEAN CHARLES INCORPORATED (1)
* 6082593 Low maintenance cosmetic dispenser with a slideable nozzle hood 17 1998
 
GOJO INDUSTRIES, INC. (6)
8313008 Pull actuated foam pump 4 2009
* 2009/0294,478 PULL ACTUATED FOAM PUMP 2 2009
9072412 Pull actuated foam pump 2 2012
* 9578996 Pumps with angled outlets, refill units and dispensers having angled outlets 0 2015
* 2015/0196,170 PUMPS WITH ANGLED OUTLETS, REFILL UNITS AND DISPENSERS HAVING ANGLED OUTLETS 1 2015
* 9648990 Venting system for dispenser reservoir 0 2015
 
RICOH COMPANY, LTD. (1)
* 5248847 Developing container storing a liquid developer with pump dispenser 23 1992
 
TECHNICAL CONCEPTS, LP (1)
* 2004/0050,876 System and method for dispensing soap 6 2003
 
Technical Concepts, LLC (6)
6651851 System and method for dispensing soap 32 2002
6929150 System and method for dispensing soap 45 2003
7611317 Shank clip for coupling a spout and mounting shaft assembly to a motor housing and support assembly 9 2005
7533787 Motor housing and support assembly for a system for dispensing soap 9 2005
* 2005/0218,161 Motor housing and support assembly for a system for dispensing soap 5 2005
* 2005/0205,612 Shank clip for coupling a spout and mounting shaft assembly to a motor housing and support assembly 4 2005
 
Steiner Company, Inc. (1)
* 5174476 Liquid soap dispensing system 54 1991
 
VENTANA MEDICAL SYSTEMS, INC. (23)
* 6093574 Method and apparatus for rinsing a microscope slide 125 1997
* 6045759 Fluid dispenser 78 1997
6416713 Fluid dispenser 45 2000
6192945 Fluid dispenser 61 2000
8609023 Memory management method and apparatus for automated biological reaction system 3 2000
6945128 Fluid dispenser 18 2001
* 2002/0034,456 Fluid dispenser 7 2001
* 2002/0110,494 Method and apparatus for modifying pressure within a fluid dispenser 33 2002
7270785 Automated molecular pathology apparatus having fixed slide platforms 34 2002
7303725 Automated high volume slide staining system 55 2003
7378055 Automated molecular pathology apparatus having fixed slide platforms 50 2003
* 7378058 Method and apparatus for modifying pressure within a fluid dispenser 21 2003
* 2004/0197,230 Method and apparatus for modifying pressure within a fluid dispenser 11 2003
7468161 Automated high volume slide processing system 35 2005
8663991 Automated high volume slide processing system 1 2005
8137619 Memory management method and apparatus for automated biological reaction system 8 2005
* 2006/0190,185 Memory management method and apparatus for automated biological reaction system 35 2005
7404927 Automated molecular pathology apparatus having fixed slide platforms 31 2005
8048373 Automated high volume slide staining system 4 2007
8147773 Method and apparatus for modifying pressure within a fluid dispenser 2 2011
* 2011/0168,744 METHOD AND APPARATUS FOR MODIFYING PRESSURE WITHIN A FLUID DISPENSER 0 2011
8790596 Dispenser with filter device 0 2012
9528918 Automated high volume slide processing system 0 2013
 
MEDINSTILL DEVELOPMENT LLC (1)
RE37047 Cartridge for applying medicament to an eye from a dispenser 47 1995
 
BARFLEX CORPORATION (2)
* 7614528 Liquid dispensing apparatus capable of regulating discharged amount of liquid 3 2005
* 2008/0251,544 Liquid Dispensing Apparatus Capable of Regulating Discharged Amount of Liquid 1 2005
 
MERCK & CO., INC. (1)
* 5390822 Packaging vial for a liquid product in particular medicinal or cosmetic 11 1993
 
EASTMAN KODAK COMPANY (1)
* 5722635 Container valve coupling 2 1995
 
BOBRICK WASHROOM EQUIPMENT, INC. (6)
* 5988451 Washing system 26 1996
* 5887762 Replaceable valve system 14 1997
* 6129245 Washing system with auxiliary reservoir 15 1998
6502721 Washing system with auxiliary reservoir 13 2000
* 2004/0164,093 Liquid feed system 14 2004
* 2005/0133,529 Liquid feed system 11 2004
 
KIMBERLY-CLARK WORLDWIDE, INC. (11)
6247621 Dual use dispensing system 5 1999
6543651 Self-contained viscous liquid dispenser 27 2000
6516976 Dosing pump for liquid dispensers 26 2000
6540117 Dosing pump for liquid dispensers 32 2001
6648179 Self-contained viscous liquid dispenser 9 2001
6533145 Self-contained viscous liquid dispenser 41 2001
6575334 Self-contained viscous liquid dispenser 23 2001
6575335 Self-contained viscous liquid dispenser 32 2001
6729502 Self-contained viscous liquid dispenser 24 2001
* 7114639 Vent plug for self-contained viscous liquid dispenser 0 2003
* 2005/0133,537 VENT PLUG FOR SELF-CONTAINED VISCOUS LIQUID DISPENSER 1 2003
 
INSTILL & CO. (3)
* 5613957 Apparatus for applying medicament to an eye 84 1994
* 5685869 Apparatus for applying medicament to an eye 91 1995
* 5944702 Method for instilling a predetermined volume of medicament into an eye 76 1997
* Cited By Examiner