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William L. Erdman
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Livermore, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Inverter modulator with variable switching frequency responsive to...
Patent number
9,397,583
Issue date
Jul 19, 2016
William L Erdman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Utility scale electric energy storage system
Patent number
8,952,563
Issue date
Feb 10, 2015
Advanced Rail Energy Storage, LLC
William R. Peitzke
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Inverter modulator with variable switching frequency
Patent number
8,625,315
Issue date
Jan 7, 2014
ETM Electromatic Inc
William L. Erdman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Utility scale electric energy storage system
Patent number
8,593,012
Issue date
Nov 26, 2013
Advanced Rail Energy Storage, LLC
William R. Peitzke
B60 - VEHICLES IN GENERAL
Information
Patent Grant
DC voltage regulator
Patent number
8,520,417
Issue date
Aug 27, 2013
Acciona Windpower, S.A.
William L. Erdman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Networked multi-inverter maximum power-point tracking
Patent number
8,401,706
Issue date
Mar 19, 2013
ETM Electromatic
Jackson Moore
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Thermal management system for wind turbine
Patent number
8,058,742
Issue date
Nov 15, 2011
Clipper Windpower, Inc.
William Erdman
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Systems and methods for synchronous speed avoidance in doubly-fed i...
Patent number
8,035,240
Issue date
Oct 11, 2011
Acciona Windpower, S.A.
William L. Erdman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Systems, methods and apparatuses for a wind turbine controller
Patent number
7,602,075
Issue date
Oct 13, 2009
Acciona Windpower, S.A.
William Erdman
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Power system with low voltage ride-through capability
Patent number
7,535,120
Issue date
May 19, 2009
Chipper Windpower Technology, Inc.
William Erdman
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Wind turbine generator apparatus with utility fault ride-through ca...
Patent number
7,432,686
Issue date
Oct 7, 2008
Clipper Windpower Technology, Inc.
William Erdman
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Generator with utility fault ride-through capability
Patent number
7,339,355
Issue date
Mar 4, 2008
Clipper Windpower Technology, Inc.
William Erdman
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Generator with utility fault ride-through capability
Patent number
7,233,129
Issue date
Jun 19, 2007
Clipper Windpower Technology, Inc.
William Erdman
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Variable speed wind turbine generator
Patent number
7,095,131
Issue date
Aug 22, 2006
General Electric Company
Amir S. Mikhail
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Wind farm electrical system
Patent number
7,071,579
Issue date
Jul 4, 2006
Global EnergyConcepts,LLC
William L. Erdman
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Variable speed distributed drive train wind turbine system
Patent number
7,042,110
Issue date
May 9, 2006
Clipper Windpower Technology, Inc.
Amir S. Mikhail
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Variable speed wind turbine generator
Patent number
6,856,039
Issue date
Feb 15, 2005
General Electric Company
Amir S. Mikhail
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Variable speed wind turbine generator
Patent number
6,847,128
Issue date
Jan 25, 2005
General Electric Company
Amir S. Mikhail
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Variable speed wind turbine generator
Patent number
6,600,240
Issue date
Jul 29, 2003
General Electric Company
Amir S. Mikhail
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Variable speed wind turbine generator
Patent number
6,420,795
Issue date
Jul 16, 2002
Zond Energy Systems, Inc.
Amir S. Mikhail
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Variable speed wind turbine generator
Patent number
6,137,187
Issue date
Oct 24, 2000
Zond Energy Systems, Inc.
Amir S. Mikhail
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Four quadrant motor controller minimizing distortion index
Patent number
5,585,708
Issue date
Dec 17, 1996
Kenetech Windpower, Inc.
Robert D. Richardson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Laminated bus assembly and coupling apparatus for a high power elec...
Patent number
5,579,217
Issue date
Nov 26, 1996
Kenetech Windpower, Inc.
David Deam
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Utility current feedback filter with pulse-width modulated power co...
Patent number
5,526,252
Issue date
Jun 11, 1996
Kenetech Windpower, Inc.
William L. Erdman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Controlled electrical energy storage apparatus for utility grids
Patent number
5,369,353
Issue date
Nov 29, 1994
Kenetech Windpower, Inc.
William L. Erdman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
High power laminated bus assembly for an electrical switching conve...
Patent number
5,365,424
Issue date
Nov 15, 1994
Kenetech Windpower, Inc.
David Deam
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Variable speed wind turbine with reduced power fluctuation and a st...
Patent number
5,225,712
Issue date
Jul 6, 1993
U.S. Windpower, Inc.
William L. Erdman
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Static reactive power compensator
Patent number
5,187,427
Issue date
Feb 16, 1993
U.S. Windpower, Inc.
William L. Erdman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Low impedance bus for power electronics
Patent number
5,172,310
Issue date
Dec 15, 1992
U.S. Windpower, Inc.
David Deam
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Variable speed wind turbine
Patent number
5,083,039
Issue date
Jan 21, 1992
U.S. Windpower, Inc.
Robert D. Richardson
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Patents Applications
last 30 patents
Information
Patent Application
INVERTER MODULATOR WITH VARIABLE SWITCHING FREQUENCY RESPONSIVE TO...
Publication number
20140078799
Publication date
Mar 20, 2014
William L. Erdman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
UTILITY SCALE ELECTRIC ENERGY STORAGE SYSTEM
Publication number
20140042805
Publication date
Feb 13, 2014
ADVANCED RAIL ENERGY STORAGE, LLC
William R. Peitzke
B60 - VEHICLES IN GENERAL
Information
Patent Application
Tachometer for Low-Speed AC Generator
Publication number
20130275079
Publication date
Oct 17, 2013
CLIPPER WINDPOWER, LLC
Kevin Cousineau
G01 - MEASURING TESTING
Information
Patent Application
HIGH VOLTAGE DIRECT CURRENT GENERATION AND TRANSMISSION BY A WIND T...
Publication number
20120327693
Publication date
Dec 27, 2012
Clipper Windpower, Inc.
Kevin L. Cousineau
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Network Protection for Power Spot Networks
Publication number
20120267896
Publication date
Oct 25, 2012
Clipper Windpower, Inc.
Kevin L. Cousineau
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
UTILITY SCALE ELECTRIC ENERGY STORAGE SYSTEM
Publication number
20110037275
Publication date
Feb 17, 2011
ADVANCED RAIL ENERGY STORAGE, LLC
William R. Peitzke
B60 - VEHICLES IN GENERAL
Information
Patent Application
Networked multi-inverter maximum power point tracking
Publication number
20100052425
Publication date
Mar 4, 2010
OptiSolar, Inc.
Jackson Moore
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Inverter modulator with variable switching frequency
Publication number
20090279336
Publication date
Nov 12, 2009
OPTISOLAR, INC.
William L. Erdman
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
THERMAL MANAGEMENT SYSTEM FOR WIND TURBINE
Publication number
20090045628
Publication date
Feb 19, 2009
William Erdman
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
DC Voltage Regulator
Publication number
20090008937
Publication date
Jan 8, 2009
William L. Erdman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SYSTEMS AND METHODS FOR SYNCHRONOUS SPEED AVOIDANCE IN DOUBLY-FED I...
Publication number
20090008938
Publication date
Jan 8, 2009
William L. Erdman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SYSTEMS, METHODS AND APPARATUSES FOR A WIND TURBINE CONTROLLER
Publication number
20080030027
Publication date
Feb 7, 2008
William Erdman
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
Wind turbine generator apparatus with utility fault ride-through ca...
Publication number
20080018309
Publication date
Jan 24, 2008
William Erdman
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
Power system with low voltage ride-through capability
Publication number
20080007121
Publication date
Jan 10, 2008
William Erdman
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
Generator with utility fault ride-through capability
Publication number
20070187955
Publication date
Aug 16, 2007
William Erdman
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
Variable speed wind turbine generator
Publication number
20050253396
Publication date
Nov 17, 2005
Amir S. Mikhail
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
Generator with utility fault ride-through capability
Publication number
20050122083
Publication date
Jun 9, 2005
William Erdman
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
Variable speed distributed drive train wind turbine system
Publication number
20050012339
Publication date
Jan 20, 2005
Amir S. Mikhail
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
Variable speed wind turbine generator
Publication number
20040207208
Publication date
Oct 21, 2004
Amir S. Mikhail
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
VARIABLE SPEED WIND TURBINE GENERATOR
Publication number
20040094964
Publication date
May 20, 2004
Amir S. Mikhail
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
Wind farm electrical system
Publication number
20030227172
Publication date
Dec 11, 2003
William L. Erdman
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
Variable speed wind turbine generator
Publication number
20020105189
Publication date
Aug 8, 2002
Amir S. Mikhail
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...