H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties

More topics under "H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties" (175,410)
H01F 1 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties (23,146)
H01F 10 - Thin magnetic films, e.g. of one-domain structure (7,026)
H01F 13 - Apparatus or processes for magnetising or demagnetising (2,363)
H01F 17 - Fixed inductances of the signal type (10,329)
H01F 19 - Fixed transformers or mutual inductances of the signal type (1,296)
H01F 21 - Variable inductances or transformers of the signal type (1,432)
H01F 27 - Details of transformers or inductances, in general (43,362)
H01F 29 - Variable transformers or inductances not covered by group (3,889)
H01F 3 - Cores, yokes or armatures (3,764)
H01F 30 - Fixed transformers not covered by group (4,595)
H01F 36 - Transformers with superconductive windings or with windings operating at cryogenic temperatures (252)
H01F 37 - Fixed inductances not covered by group (2,202)
H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550)
H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155)
H01F 5 - Coils (6,752)
H01F 6 - Superconducting magnets; Superconducting coils (4,230)
H01F 7 - Magnets (20,067)

Patents for H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties (205)
07/2014
07/31/2014	US20140211427 Inductive device assemblies and methods
02/2014
02/04/2014	US8643456 Form-less electronic device assemblies and methods of operation
10/2013
10/23/2013	EP2653302A2 Coating formulation and application of organic passivation layer onto iron-based rare earth powders
08/2013
08/15/2013	US20130206464 Form-less electronic device assemblies and methods of operation
06/2013
06/12/2013	CN103151131A Coating formulation and application of organic passivation layer onto iron-based rare earth powders
02/2013
02/27/2013	CN101228024B Coating formulation and application of organic passivation layer onto iron-based rare earth powders
02/21/2013	US20130043423 Coating formulation and application of organic passivation layer onto iron-based rare earth powders
02/05/2013	US8368500 Form-less electronic device assemblies and methods of operation
01/2013
01/15/2013	CA2729421C Power conversion using controllable transformers
12/2012
12/11/2012	CA2531599C Form-less electronic device and methods of manufacturing
11/2012
11/20/2012	US8313801 Coating formulation and application of organic passivation layer onto iron-based rare earth powders
09/2012
09/18/2012	CA2546833C Coating formulation and application of organic passivation layer onto iron-based rare earth powders
07/2012
07/19/2012	US20120182111 Form-less electronic device assemblies and methods of operation
07/17/2012	US8222836 Balancing transformers for multi-lamp operation
07/04/2012	CN1963962B Switchable magnetic device
04/2012
04/24/2012	CA2467989C Controllable transformer
02/2012
02/28/2012	CA2458251C Switchable magnetic device
01/2012
01/17/2012	US8098125 Form-less electronic device assemblies and methods of operation
09/2011
09/15/2011	US20110221557 Form-less electronic device assemblies and methods of operation
07/2011
07/28/2011	US20110181204 Balancing transformers for multi-lamp operation
04/2011
04/26/2011	US7932683 Balancing transformers for multi-lamp operation
04/05/2011	CA2352070C Hybrid tap-changing transformer with full range of control and high resolution
03/2011
03/23/2011	CN1887034B A current sharing scheme and device for multiple CCF lamp operation
01/2011
01/25/2011	US7876189 Form-less electronic device assemblies and methods of operation
10/2010
10/05/2010	CA2473450C Multifunctional particulate material, fluid, and composition
03/2010
03/18/2010	US20100068377 Coating formulation and application of organic passivation layer onto iron-based rare earth powders
02/2010
02/17/2010	EP1671521B1 A current sharing scheme and device for multiple ccf lamp operation
02/04/2010	US20100026438 Form-less electronic device assemblies and methods of operation
10/2009
10/29/2009	US20090267521 Balancing transformers for multi-lamp operation
10/06/2009	US7598837 Form-less electronic device and methods of manufacturing
07/2009
07/14/2009	US7560875 Balancing transformers for multi-lamp operation
07/14/2009	US7560160 Multifunctional particulate material, fluid, and composition
04/2009
04/16/2009	WO2000044006A3 Transformer with magnetic core of coiled wires
11/2008
11/26/2008	EP1665503A4 Rotary machine and electromagnetic machine
10/2008
10/30/2008	US20080265705 Rotary Machine and Electromagnetic Machine
08/2008
08/27/2008	EP1504543A4 Data access arrangement using a high frequency transformer for electrical isolation
08/27/2008	CN101253586A Inductor device for multiband radio frequency operation
07/2008
07/23/2008	EP1665305A4 Magneto-mechanical apparatus
07/23/2008	CN101228024A Coating formulation and application of organic passivation layer onto iron-based rare earth powders
06/2008
06/26/2008	US20080152916 Neodymium-iron-boron type magnetic powders manufactured from rapid solidification processes; corrosion and oxidation resistance
06/24/2008	US7390579 Coating formulation and application of organic passivation layer onto iron-based rare earth powders
04/2008
04/02/2008	EP1905047A2 Method for production of a soft-magnetic core for generators and generator comprising such a core
03/2008
03/26/2008	EP1902450A1 Inductor device for multiband radio frequency operation
03/18/2008	US7345396 Metallic laminations for magnetic circuits
03/13/2008	US20080061711 Balancing transformers for multi-lamp operation
03/11/2008	US7342394 Magnetic detector arrangement and method for obtaining a symmetric magnetic field
03/04/2008	US7339453 Differential mode inductor with a center tap
12/2007
12/26/2007	CN101095204A Improved manufacture of toroidal transformers
11/2007
11/13/2007	US7294971 Balancing transformers for ring balancer
10/2007
10/02/2007	US7277491 Data access arrangement using a high frequency transformer for electrical isolation
09/2007
09/19/2007	CN100338697C Switchable magnetic device
07/2007
07/17/2007	US7245084 Transformer ignition circuit for a transformer coupled plasma source
07/12/2007	US20070158782 Inductor device for multiband radio frequency operation
07/10/2007	US7242147 Current sharing scheme for multiple CCF lamp operation
06/2007
06/13/2007	EP1671521A4 A current sharing scheme and device for multiple ccf lamp operation
05/2007
05/16/2007	CN1963962A Switchable magnetic device
04/2007
04/05/2007	US20070075818 Inductive coupler
03/2007
03/29/2007	US20070069708 Differential mode inductor with a center tap
03/14/2007	EP1761937A1 Magnetic detector arrangement and method for obtaining a symmetric magnetic field
02/2007
02/22/2007	US20070040550 Magnetic detector arrangement and method for obtaining a symmetric magnetic field
02/13/2007	US7176774 Differential mode inductor with a center tap
01/2007
01/31/2007	EP1747565A2 Differential mode inductor with a center tap
01/18/2007	WO2007006867A1 Inductor device for multiband radio frequency operation
12/2006
12/27/2006	EP1735802A1 An inductive coupler
12/27/2006	CN1887034A A current sharing scheme and device for multiple CCF lamp operation
11/2006
11/22/2006	EP1724793A2 Method and arrangement for reactor manufacturing, and a reactor
10/2006
10/12/2006	WO2005052960A3 Coating formulation and application of organic passivation layer onto iron-based rare earth powders
10/11/2006	EP1449043B1 Controllable transformer
09/2006
09/26/2006	US7113384 Dynamic degaussing system
09/05/2006	US7102479 Output choke for D.C. welder and method of using same
08/2006
08/30/2006	EP1695359A2 Coating formulation and application of organic passivation layer onto iron-based rare earth powders
08/10/2006	WO2005015578A3 Dynamic degaussing system
07/2006
07/06/2006	WO2006071182A1 Improved manufacture of toroidal transformers
07/06/2006	WO2005109453A3 Differential mode inductor with a center tap
06/2006
06/21/2006	EP1671521A2 A current sharing scheme and device for multiple ccf lamp operation
06/13/2006	US7061356 Controllable transformer
06/07/2006	EP1665503A2 Rotary machine and electromagnetic machine
06/07/2006	EP1665305A2 Magneto-mechanical apparatus
04/2006
04/12/2006	EP1644943A2 Form-less electronic device and methods of manufacturing
03/2006
03/21/2006	US7015782 Magneto-mechanical apparatus
03/07/2006	US7009266 Method and system for providing a magnetic element including passivation structures
02/2006
02/28/2006	US7005845 Power measurement mechanism for a transformer coupled plasma source
02/08/2006	CN1732539A Coupling device
12/2005
12/08/2005	WO2005038828A3 A current sharing scheme and device for multiple ccf lamp operation
11/2005
11/24/2005	WO2005112054A1 Magnetic detector arrangement and method for obtaining a symmetric magnetic field
11/23/2005	CN1700561A Metallic laminations for magnetic circuits
11/17/2005	WO2005109453A2 Differential mode inductor with a center tap
11/17/2005	US20050253475 Metallic laminations for magnetic circuits
11/16/2005	EP1596486A2 Metallic laminations for magnetic circuits
11/15/2005	US6965291 Circuit component and transformer device with controllable impedance and with systems equipped with such devices
11/14/2005	CA2504837A1 Metallic laminations for magnetic circuits
11/10/2005	WO2005027152B1 Magneto-mechanical apparatus
11/10/2005	WO2005024856A3 Method and system for providing a magnetic element including passivation structures
11/10/2005	US20050248428 Differential mode inductor with a center tap
10/2005
10/06/2005	WO2005093765A1 An inductive coupler
10/06/2005	US20050218134 Output choke for D.C. welder and method of using same
09/2005
09/29/2005	WO2005027152A3 Magneto-mechanical apparatus
09/21/2005	EP1576626A2 Dynamic degaussing system
09/01/2005	WO2005008692B1 Form-less electronic device and methods of manufacturing
08/2005
08/31/2005	CN1663139A Data access arrangement using a high frequency transformer for electrical isolation

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