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by variation of field, using discharge tubes
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Industry
CPC
H02J7/322
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Parent Industries
H
ELECTRICITY
H02
Electric power
H02J
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER SYSTEMS FOR STORING ELECTRIC ENERGY
H02J7/00
Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
Current Industry
H02J7/322
by variation of field, using discharge tubes
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Patents Grants
last 30 patents
Information
Patent Grant
2275165
Patent number
2,275,165
Issue date
Mar 3, 1942
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
2258607
Patent number
2,258,607
Issue date
Oct 14, 1941
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
2069737
Patent number
2,069,737
Issue date
Feb 9, 1937
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
2066603
Patent number
2,066,603
Issue date
Jan 5, 1937
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents