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Cheeseman Paul
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Verona, WI, US
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Patents Grants
last 30 patents
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
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 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
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
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...
Information
Patent Grant
Current interrupter for electrochemical cells
Patent number
6,037,071
Issue date
Mar 14, 2000
Duracell Inc.
Jeffrey Poirier
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Current interrupter for electrochemical cells
Patent number
5,998,051
Issue date
Dec 7, 1999
Duracell Inc.
Jeffrey Poirier
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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
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
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
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 cells
Publication number
20040145344
Publication date
Jul 29, 2004
William C. Bushong
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