One Dyer Cemetery Road
Phone: 860 693 1684
Fax: 860 693 1686
Patents and Patents Pending
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|
Patent |
Name |
Issue Date |
|
Stepper Motor Having Stator Biasing Magnet |
2/20/1968 |
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Synchrouous Motor |
9/23/1969 |
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System for Translating Electrical Pulses into Incremental Mechanical Motions |
10/14/1969 |
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Tracking Lens System for Solar Collectors and Skylights |
9/27/1977 |
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Transparent or Reflective Panel |
4/10/1979 |
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Flat Matrix Transformer |
5/12/1987 |
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High Frequency Matrix Transformer |
7/4/1989 |
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Matrix Capacitor [sold] |
4/10/1990 |
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High Frequency Matrix Transformer Power Converter Module |
7/17/1990 |
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Picture Frame Matrix Transformer |
12/18/1990 |
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High Frequency Matrix Transformer |
3/3/1992 |
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Method and Apparatus for Controlling the Input Impedance of a Power Converter |
7/21/1992 |
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Apparatus for Controlling the Input Impedance of a Power Converter |
9/1/1992 |
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Fan Assembly with Heat Sink |
3/29/1994 |
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Springy Fastener Held Open by a Meltable Material |
9/13/1994 |
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Fan Assembly with Heat Sink |
8/29/1995 |
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Pot Core Matrix Transformer having Improved Heat Rejection |
12/26/1995 |
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Package for Electronic Circuits Using a Capacitor as a Structural Member |
8/19/1997 |
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3- and 4-Terminal Capacitors with "Faraday-Shielded" Connections |
6/8/1999 |
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High Current, Low Inductance Capacitor Packages |
7/13/1999 |
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Transformer and Rectifier Module with Half-Turn Secondary Windings |
12/7/1999 |
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Snubber for Electric Circuits |
1/18/2000 |
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AC-DC Converter with No Input Rectifiers and Power Factor Correction |
9/5/2000 |
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Fast Transition Power Supply |
9/19/2000 |
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Fan with Heat Sink using Stamped Heat Sink Fins |
10/3/2000 |
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Transformer for Switched Mode Power Supplies and Similar Applications |
10/24/2000 |
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Transformer Having Fractional Turn Windings |
2/19/2002 |
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Flexible Heatsinks and Method of Attaching Flexible Heatsinks |
4/15/2003 |
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Transformer and Inductor Modules having Directly bonded Terminals and Heat-Sink Fins |
6/17/2003 |
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Module for Matrix
Transformers Having a Four Turn Secondary Winding |
5/11/2004 |
|
|
Buck (or Boost) Converter
with Very Fast Output Current Transitions and Low Ripple Voltage |
5/24/2005 |
|
|
Power Converter with an
Inductor Input and Switched Capacitor Outputs |
11/8/2005 |
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|
Venturi Fan |
11/22/2005 |
|
|
Switched-Current Power
Converter |
12/27/2005 |
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Connection System for Fast
Power Supplies |
1/3/2006 |
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Gate Drive Method and
Apparatus for Reducing Losses in the Switching of MOSFETs |
1/31/2006 |
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Synthetic Rectifiers |
1/31/2006 |
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Cellular Transformers |
4/4/2006 |
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Laminated Winding for Matrix
Transformers and Terminations Thereof |
7/4/2006 |
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Totem-Pole
Power Converter for Processors |
8/29/2006 |
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|
Method and
Apparatus for Stabilizing "DC-DC Transformers in a |
10/3/2006 |
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Coaxial Push-Pull Transformers for Power Converters and Like Circuits |
10/10/2006 |
|
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Wave-fans
and Wave-fans with Heat Sinks |
11/14/2006
|
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Three Phase Buck Power
Converters Having Input Current Control |
11/21/2006
|
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Variable Transformer |
4/22/2008 |
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Dual
Source MOSFET for Low Inductance Synchronous Rectifier |
7/1/2008 |
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Total Charge Measurement |
7/1/2008 |
|
| 7,564,706 |
Power Factor Corrected Single-Phase AC-DC Power Converter Using Natural Modulation | 7/21/2009 |
|
11/767,516 |
"Natural
Modulation" for Maximizing Efficiency in Power Converters |
Allowed |
|
11/943,864 |
100 %
Duty-Cycle Buck-Derived and 0 % Duty-cycle Boost-Derived PFC 3-Phase
Ac-Dc Power Converter |
Allowed |
|
Application |
Name |
Filed Date |
| 11/550,753 |
Interposer
and Method for Making Interposers |
10/18/2006 |
| 12/122,239 |
Motor
Generator as Lightening Protection for Data-ceners and Like Applications |
5/16/2008 |
| 12/122,638 |
Resistive
and Super-Resistive Dynamic Load Characteristics |
5/16/2008 |
| 12/140,398 |
Power
Integrated Circuit |
7/21/2009 |
| 12/334,346 |
Symmetrical
Buck and Boost Power Converters |
6/17/2008 |
| 12/337,098 |
Power
Converter with Redundant Inputs and Current Sharing by Time-division
Multiplexing |
12/17/2008 |
| 61/115,094 |
Power
Factor Corrected 3-phase Ac-dc Power Converter using "Natural
Modulation" |
11/16/2008 |
| 61/148,031 |
Natural
Modulation |
1/28/2009 |
| 61/152,246 |
Three-port
Variable Transformer |
2/12/2009 |