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Patents Grants
last 30 patents
Information
Patent Grant
Method and circuit arrangement to cover peak energy demands in elec...
Patent number
5,917,251
Issue date
Jun 29, 1999
Bayernwerk AG
Dietolf Schermann
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method of forming metallic current conducting lugs at electrode pla...
Patent number
5,848,468
Issue date
Dec 15, 1998
Hagen Batterie AG
Eberhard Nann
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Accumulator with degassing channel
Patent number
5,561,001
Issue date
Oct 1, 1996
Hagen Batterie AG
Josef Gurtler
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for determining at least one physical paramete...
Patent number
5,435,182
Issue date
Jul 25, 1995
Hagen Batterie AG
Rainer Wagner
G01 - MEASURING TESTING
Information
Patent Grant
Grid casting mold for the casting of lead grids for accumulators an...
Patent number
5,415,219
Issue date
May 16, 1995
Hagen Batterie AG
Reinhold Wiedenmann
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Terminal post for a storage battery
Patent number
5,364,714
Issue date
Nov 15, 1994
Hagen Batterie AG
Josef Gurtler
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrode for electrochemical cells
Patent number
5,139,902
Issue date
Aug 18, 1992
Hagen Batterie AG
Jurgen Drews
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrodes for primary and secondary electric cells
Patent number
5,114,812
Issue date
May 19, 1992
Hoechst Aktiengesellschaft
Dieter Disselbeck
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of electrically measuring the concentration of acids
Patent number
4,988,418
Issue date
Jan 29, 1991
Hagen Batterie AG
Fritz Beck
G01 - MEASURING TESTING
Information
Patent Grant
Negative electrode for lead accumulators
Patent number
RE33133
Issue date
Dec 19, 1989
Hagen Batterie AG
Reiner Kiessling
429 - Chemistry: electrical current producing apparatus, product, and process
Information
Patent Grant
Sheet material and separator envelopes manufactured therefrom for t...
Patent number
4,788,113
Issue date
Nov 29, 1988
Hagen Batterie AG
Christian Bohle
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Storage battery that is protected against the discharge of acid
Patent number
4,781,997
Issue date
Nov 1, 1988
Hagen Batterie AG
Christian Bohle
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing accumulators having accumulator plate sets...
Patent number
4,778,479
Issue date
Oct 18, 1988
Hagen Batterie AG
Ulrich Romling
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Negative electrode for lead accumulators
Patent number
4,760,001
Issue date
Jul 26, 1988
Hagen Batterie AG
Eberhard Nann
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Sheet material for the production of separator pockets for lead acc...
Patent number
4,657,799
Issue date
Apr 14, 1987
Hagen Batterie AG
Eberhard Nann
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process of recovering lead from old lead accumulator scrap and redu...
Patent number
4,597,841
Issue date
Jul 1, 1986
Hagen Batterie AG
Rainer Kiessling
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Negative electrode for lead accumulators
Patent number
4,554,228
Issue date
Nov 19, 1985
Hagen Batterie AG
Reiner Kiessling
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Trademark
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