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Kaman Electromagnetics Corporation
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Hudson, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Centrifugal pump with an axial-field integral motor cooled by worki...
Patent number
6,012,909
Issue date
Jan 11, 2000
Ingersoll-Dresser Pump Co.
Donald P. Sloteman
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Diaphragm for seal-less integral-motor pump
Patent number
5,951,267
Issue date
Sep 14, 1999
Ingersoll-Dresser Pump Co.
Mark S. Piercey
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Motor drive system having a plurality of series connected H-bridges
Patent number
5,917,295
Issue date
Jun 29, 1999
Kaman Electromagnetics Corporation
Peter Mongeau
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Detachable magnet carrier for permanent magnet motor
Patent number
5,831,365
Issue date
Nov 3, 1998
Kaman Electromagnetics Corporation
Thomas A. Keim
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Detachable magnet carrier for permanent magnet motor
Patent number
5,691,589
Issue date
Nov 25, 1997
Kaman Electromagnetics Corporation
Thomas A. Keim
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Soft switched three phase inverter with staggered resonant recovery...
Patent number
5,576,943
Issue date
Nov 19, 1996
Kaman Electromagnetics Corporation
Alexander S. Keir
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Four quadrant unipolar pulse width modulated inverter
Patent number
5,428,522
Issue date
Jun 27, 1995
Kaman Electromagnetics Corporation
Alan Millner
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Low impedance interconnection assembly for high frequency switching...
Patent number
5,388,028
Issue date
Feb 7, 1995
Kaman Electromagnetics Corporation
Zeljko Arbanas
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
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