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Viet H. Vu
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Verona, WI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Alkaline cell with performance enhancing additives
Patent number
8,691,439
Issue date
Apr 8, 2014
Spectrum Brands, Inc.
Ernest Ndzebet
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Separators for alkaline electrochemical cells
Patent number
7,931,981
Issue date
Apr 26, 2011
Rovcal Inc.
David Boone
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method and apparatus for charging electrochemical cells
Patent number
7,859,220
Issue date
Dec 28, 2010
Rovcal, Inc.
William C. Bushong
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Copper-manganese mixed oxide cathode material for use in alkaline c...
Patent number
7,807,296
Issue date
Oct 5, 2010
Roval, Inc.
Viet H. Vu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Alkaline cells having high capacity
Patent number
7,763,384
Issue date
Jul 27, 2010
Rovcal, Inc.
David Boone
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Alkaline cell with performance enhancing additives
Patent number
7,749,654
Issue date
Jul 6, 2010
Rovcal, Inc.
Ernest Ndzebet
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Alkaline cells having high capacity
Patent number
7,740,984
Issue date
Jun 22, 2010
Rovcal, Inc.
William C. Bushong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Separators for alkaline electrochemical cells
Patent number
7,645,540
Issue date
Jan 12, 2010
Rovcal, Inc.
David Boone
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Apparatus for regulating charging of electrochemical cells
Patent number
7,557,542
Issue date
Jul 7, 2009
Rovcal, Inc.
William C. Bushong
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and apparatus for regulating charging of electrochemical cel...
Patent number
7,372,237
Issue date
May 13, 2008
Rovcal, Inc.
William C. Bushong
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and apparatus for regulating charging of electrochemical cells
Patent number
7,288,920
Issue date
Oct 30, 2007
Spectrum Brands, Inc. ( FKA Rayovac Corporation)
William C. Bushong
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Alkaline cell with performance enhancing additives
Patent number
7,226,696
Issue date
Jun 5, 2007
Rayovac Corporation
Ernest Ndzebet
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Alkaline cell with performance enhancing additives
Patent number
7,169,504
Issue date
Jan 30, 2007
Rovcal, Inc.
Miguel E. Armacanqui
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ionically conductive additive for zinc-based anode in alkaline elec...
Patent number
7,005,213
Issue date
Feb 28, 2006
Rayovac Corporation
Ernest Ndzebet
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for regulating charging of electrochemical cells
Patent number
6,878,481
Issue date
Apr 12, 2005
Rayovac Corporation
William H. Bushong
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Air manager for metal-air cells
Patent number
6,794,074
Issue date
Sep 21, 2004
Rayovac Corporation
Viet H. Vu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
Information
Patent Application
Alkaline Cell With Performance Enhancing Additives
Publication number
20100233533
Publication date
Sep 16, 2010
Rovcal, Inc.
Ernest Ndzebet
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
SEPARATORS FOR ALKALINE ELECTROCHEMICAL CELLS
Publication number
20100112431
Publication date
May 6, 2010
Rovcal Inc.
David Boone
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
ON-DEMAND HIGH ENERGY DENSITY HYDROGEN GAS GENERATION DEVICE
Publication number
20090081497
Publication date
Mar 26, 2009
Rovcal, Inc.
Viet Vu
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
ON-DEMAND HYDROGEN GAS GENERATION DEVICE HAVING GAS MANAGEMENT SYSTEM
Publication number
20090078568
Publication date
Mar 26, 2009
Rovcal, Inc.
Karthik Ramaswami
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
ON-DEMAND HYDROGEN GAS GENERATION DEVICE
Publication number
20090081501
Publication date
Mar 26, 2009
Rovcal, Inc.
Viet Vu
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
ON-DEMAND HYDROGEN GAS GENERATION DEVICE WITH PRESSURE-REGULATING S...
Publication number
20090042072
Publication date
Feb 12, 2009
Rovcal, Inc.
Viet Vu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
METHOD AND APPARATUS FOR REGULATING CHARGING OF ELECTROCHEMICAL CEL...
Publication number
20080191661
Publication date
Aug 14, 2008
Rovcal, Inc.
William C. Bushong
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
COPPER-MANGANESE MIXED OXIDE CATHODE MATERIAL FOR USE IN ALKALINE C...
Publication number
20080090138
Publication date
Apr 17, 2008
Rovcal, Inc.
Viet H. Vu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
High Capacity Alkaline Cell Utilizing Cathode Extender
Publication number
20080038634
Publication date
Feb 14, 2008
Rovcal, Inc.
William C. Bushong
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Heated Device for Dispensing a Volatile Active
Publication number
20070257016
Publication date
Nov 8, 2007
Rovcal, Inc.
Zhihong Jin
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
ALKALINE CELL WITH PERFORMANCE ENHANCING ADDITIVES
Publication number
20070248880
Publication date
Oct 25, 2007
Rovcal, Inc.
Ernest Ndzebet
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Separators for use in alkaline cells having high capacity
Publication number
20060257728
Publication date
Nov 16, 2006
Rovcal, Inc.
Erik Mortensen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Sealing assembly for electrochemical cell
Publication number
20060183020
Publication date
Aug 17, 2006
Rovcal, Inc.
Gregory J. Davidson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Alkaline cells having high capacity
Publication number
20050271941
Publication date
Dec 8, 2005
William C. Bushong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method and apparatus for regulating charging of electrochemical cells
Publication number
20050191542
Publication date
Sep 1, 2005
Rayovac Corporation
William H. Bushong
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Pressure dissipation assembly for electrochemical cell
Publication number
20050147872
Publication date
Jul 7, 2005
Gregory J. Davidson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method and apparatus for charging electrochemical cells
Publication number
20050088140
Publication date
Apr 28, 2005
William C. Bushong
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
High capacity alkaline cells
Publication number
20050084755
Publication date
Apr 21, 2005
David Boone
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Alkaline cells having high capacity
Publication number
20050079415
Publication date
Apr 14, 2005
David Boone
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Separators for alkaline electrochemical cells
Publication number
20050074674
Publication date
Apr 7, 2005
David Boone
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method and apparatus for regulating charging of electrochemical cel...
Publication number
20050052160
Publication date
Mar 10, 2005
William C. Bushong
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Method and apparatus for regulating charging of electrochemical cells
Publication number
20040145344
Publication date
Jul 29, 2004
William C. Bushong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Alkaline cell with performance enhancing additives
Publication number
20040076878
Publication date
Apr 22, 2004
Ernest Ndzebet
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Alkaline cell with performance enhancing additives
Publication number
20040033418
Publication date
Feb 19, 2004
Miguel E. Armacanqui
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Conformal separator for an electrochemical cell
Publication number
20030044686
Publication date
Mar 6, 2003
William C. Bushong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Ionically conductive additive for zinc-based anode in alkaline elec...
Publication number
20020177043
Publication date
Nov 28, 2002
Ernest Ndzebet
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Independent seal and vent for an electrochemical cell
Publication number
20020127470
Publication date
Sep 12, 2002
Marc L. Syvertsen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method and apparatus for regulating charging of electrochemical cells
Publication number
20020119364
Publication date
Aug 29, 2002
William H. Bushong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Air manager for metal-air cells
Publication number
20020061427
Publication date
May 23, 2002
Viet H. Vu
H01 - BASIC ELECTRIC ELEMENTS