-
Transformer/reactor
-
Patent number 6,940,380
-
Issue date Sep 6, 2005
-
ABB AB
-
Mats Leijon
-
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
-
Electromagnetic device
-
Patent number 6,822,363
-
Issue date Nov 23, 2004
-
ABB AB
-
Mats Leijon
-
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
-
-
Air-core choke coil
-
Patent number 4,538,131
-
Issue date Aug 27, 1985
-
BBC Brown, Boveri & Company, Ltd.
-
Manfred Baier
-
H01 - BASIC ELECTRIC ELEMENTS
-
Current amplifying apparatus
-
Patent number 4,431,960
-
Issue date Feb 14, 1984
-
FDX Patents Holding Company, N.V.
-
Oved S. F. Zucker
-
H01 - BASIC ELECTRIC ELEMENTS
-
-
3813764
-
Patent number 3,813,764
-
Issue date Jun 4, 1974
-
H01 - BASIC ELECTRIC ELEMENTS
-
3781739
-
Patent number 3,781,739
-
Issue date Dec 25, 1973
-
H01 - BASIC ELECTRIC ELEMENTS
-
3304599
-
Patent number 3,304,599
-
Issue date Feb 21, 1967
-
H01 - BASIC ELECTRIC ELEMENTS
-
2962679
-
Patent number 2,962,679
-
Issue date Nov 29, 1960
-
H01 - BASIC ELECTRIC ELEMENTS
-
2498238
-
Patent number 2,498,238
-
Issue date Feb 21, 1950
-
H01 - BASIC ELECTRIC ELEMENTS
-
2446999
-
Patent number 2,446,999
-
Issue date Aug 17, 1948
-
H01 - BASIC ELECTRIC ELEMENTS
-
1747507
-
Patent number 1,747,507
-
Issue date Feb 18, 1930
-
H01 - BASIC ELECTRIC ELEMENTS
-
1481585
-
Patent number 1,481,585
-
Issue date Jan 22, 1924
-
H01 - BASIC ELECTRIC ELEMENTS