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Class Information
Number: 336/198
Name: Inductor devices > With supporting and/or spacing means between coil and core > Preformed insulation between coil and core (e.g., spool)
Description: Subject matter wherein there is a structure of predetermined shape (e.g., a spool) of electrically insulating material interposed between coil and core.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7612643 |
Winding structure of a transformer |
Nov. 3, 2009 |
| 7612644 |
Winding structure of a transformer |
Nov. 3, 2009 |
| 7612642 |
Winding structure of a transformer |
Nov. 3, 2009 |
| 7570143 |
Method for winding a coil, a winding form, and a coil |
Aug. 4, 2009 |
| 7567164 |
Transformer having reduced size, safety insulation and low leakage inductance |
Jul. 28, 2009 |
| 7538651 |
Winding structure of a transformer |
May. 26, 2009 |
| 7532100 |
Plastic sealing of solenoid bobbins |
May. 12, 2009 |
| 7528694 |
Transformer and core set thereof |
May. 5, 2009 |
| 7515026 |
Structure of transformer |
Apr. 7, 2009 |
| 7495539 |
Filament transformer for X-ray tubes |
Feb. 24, 2009 |
| 7487767 |
Ignition coil for use in engine and engine having plastic cylinder head cover |
Feb. 10, 2009 |
| 7459999 |
Variable-diameter electromagnetic coil |
Dec. 2, 2008 |
| 7456719 |
Inverter transformer |
Nov. 25, 2008 |
| 7449986 |
Planar coil component, method for winding end connection thereof and resonance transformer |
Nov. 11, 2008 |
| 7446642 |
Inductor |
Nov. 4, 2008 |
| 7443277 |
Coil component |
Oct. 28, 2008 |
| 7439838 |
Transformers and winding units thereof |
Oct. 21, 2008 |
| 7429908 |
Coil form |
Sep. 30, 2008 |
| 7423510 |
Transformer with high sustain voltage and driving device using the same for driving light source module |
Sep. 9, 2008 |
| 7411479 |
Inductive coil assembly |
Aug. 12, 2008 |
| 7408436 |
Coil and bobbin for coil |
Aug. 5, 2008 |
| 7397338 |
Inductor |
Jul. 8, 2008 |
| 7397337 |
Winding base structure of transformer |
Jul. 8, 2008 |
| 7391294 |
Electrodynamic machine |
Jun. 24, 2008 |
| 7382221 |
Coil |
Jun. 3, 2008 |
| 7378932 |
Reduced size high-frequency surface-mount current sense transformer |
May. 27, 2008 |
| 7372351 |
Radial lead type inductor |
May. 13, 2008 |
| 7365630 |
Low magnetic leakage high voltage transformer |
Apr. 29, 2008 |
| 7345565 |
Transformer structure |
Mar. 18, 2008 |
| 7342478 |
Structure for high voltage bearable transformers |
Mar. 11, 2008 |
| 7304862 |
Printed wiring board having edge plating interconnects |
Dec. 4, 2007 |
| 7301425 |
Pancake type bifilar winding module using high-tc superconducting wire and bobbin for winding therefor |
Nov. 27, 2007 |
| 7271694 |
Structure of transformer |
Sep. 18, 2007 |
| 7271690 |
High current long life inductor |
Sep. 18, 2007 |
| 7239224 |
Ignition coil having center core |
Jul. 3, 2007 |
| 7236079 |
Transformer bobbin for preventing excitation peak voltage insulation damage |
Jun. 26, 2007 |
| 7218198 |
Coil form |
May. 15, 2007 |
| 7218199 |
Structure of transformer |
May. 15, 2007 |
| 7215234 |
Tap-off transformer |
May. 8, 2007 |
| 7199694 |
Isolated dual-channel transformer |
Apr. 3, 2007 |
| 7196609 |
Transformer winding structure |
Mar. 27, 2007 |
| 7193497 |
Ignition coil |
Mar. 20, 2007 |
| 7187262 |
Plastic sealing of solenoid bobbins |
Mar. 6, 2007 |
| 7183889 |
High-voltage transformer |
Feb. 27, 2007 |
| 7180398 |
Coil former for an electromechanical actuator |
Feb. 20, 2007 |
| 7176777 |
Transformer and lamp driving system utilizing the same |
Feb. 13, 2007 |
| 7167069 |
Coil bobbin and transformer |
Jan. 23, 2007 |
| 7154366 |
Bobbin module of transformer |
Dec. 26, 2006 |
| 7154365 |
Apparatus for fixing bobbin to printed circuit board for use in transformer |
Dec. 26, 2006 |
| 7142079 |
Transformer structure |
Nov. 28, 2006 |
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