Membership
Tour
Register
Log in
Geoffrey N. Drummond
Follow
Person
Fort Collins, CO, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Fault recovery for multi-phase power converters
Patent number
9,450,482
Issue date
Sep 20, 2016
Colorado Power Electronics, Inc.
Geoffrey N. Drummond
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Parallel core electromagnetic device
Patent number
6,844,802
Issue date
Jan 18, 2005
Advanced Energy Industries, Inc.
Geoffrey N. Drummond
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wide range DC power supply utilizing voltage doubling output capaci...
Patent number
6,697,265
Issue date
Feb 24, 2004
Advanced Energy Industries, Inc.
Geoffrey N. Drummond
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
System for plasma ignition by fast voltage rise
Patent number
6,633,017
Issue date
Oct 14, 2003
Advanced Energy Industries, Inc.
Geoffrey N. Drummond
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Periodically clearing thin film plasma processing system
Patent number
6,521,099
Issue date
Feb 18, 2003
Advanced Energy Industries, Inc.
Geoffrey Drummond
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Periodically clearing thin film plasma processing system
Patent number
6,217,717
Issue date
Apr 17, 2001
Advanced Energy Industries, Inc.
Geoffrey N. Drummond
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Enhanced reactive DC sputtering system
Patent number
6,024,844
Issue date
Feb 15, 2000
Advanced Energy Industries, Inc.
Geoffrey N. Drummond
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Enhanced reactive DC sputtering system
Patent number
6,001,224
Issue date
Dec 14, 1999
Advanced Energy Industries, Inc.
Geoffrey N. Drummond
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Periodically clearing thin film plasma processing system
Patent number
5,863,392
Issue date
Jan 26, 1999
Advanced Energy Industries, Inc.
Geoffrey N. Drummond
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Enhanced reactive DC sputtering system
Patent number
5,718,813
Issue date
Feb 17, 1998
Advanced Energy Industries, Inc.
Geoffrey N. Drummond
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Enhanced thin film DC plasma power supply
Patent number
5,576,939
Issue date
Nov 19, 1996
Geoffrey N. Drummond
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Multi-phase DC plasma processing system
Patent number
5,535,906
Issue date
Jul 16, 1996
Advanced Energy Industries, Inc.
Geoffrey N. Drummond
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thin film DC plasma processing system
Patent number
5,427,669
Issue date
Jun 27, 1995
Advanced Energy Industries, Inc.
Geoffrey N. Drummond
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Fault recovery for multi-phase power converters
Publication number
20160079846
Publication date
Mar 17, 2016
Colorado Power Electronics, Inc.
Geoffrey N. Drummond
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
PARALLEL CORE ELECTROMAGNETIC DEVICE
Publication number
20040257187
Publication date
Dec 23, 2004
Geoffrey N. Drummond
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Wide range dc power supply
Publication number
20030007366
Publication date
Jan 9, 2003
Geoffrey N. Drummond
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER