Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
09/1976
09/28/1976US3983523 Combination static plate and clamping ring
09/28/1976US3983522 Tapering electrostatic shields for disc windings
09/28/1976US3982814 Dampened choke coil
09/14/1976US3980982 Method of assembly of the support for the magnetic core of a shell-type, form-fit transformer
09/14/1976US3980858 Exciter for induction heating apparatus
09/14/1976US3980803 Linear phenylmethylsilicone oil as dielectric for stationary electric device
09/07/1976US3979707 Power-pack assembly
09/07/1976US3979706 Shielded inductance coil with trimmer
09/07/1976US3979552 Coolant displacement material
09/07/1976US3979549 Composite of metal and thermoset plastic
09/07/1976US3979530 Polyester fiber-vacuum impregnated epoxy resin insulation system for high voltage transformers
09/07/1976US3978548 End cap for primary windings
08/1976
08/31/1976US3978442 Clamping of transformer windings by means of hydraulic power amplifiers
08/10/1976US3974302 Method of making patterned dry resin coated sheet insulation
07/1976
07/27/1976US3972015 Heat insulated fused high voltage bushing
07/27/1976US3971126 Method of fabricating magnetic field drive coils for field accessed cylindrical domain memories
07/20/1976US3970884 Portable X-ray device
07/06/1976US3968408 Neutralizing transformer
06/1976
06/29/1976US3967226 Electrical inductive apparatus having magnetic shielding cores and a gapped main core structure
06/29/1976US3966294 Adaptor for transformer bushing terminals
06/22/1976US3965451 Ballast transformer mounting arrangement
06/22/1976US3964814 Pluggable high-amperage contact
06/15/1976US3964009 Ac radiation choke insulator
06/15/1976US3963975 Electromagnetically shielded electrical power supply with reduced common mode electromagnetic interference output
06/08/1976US3962667 Combination fuse and bushing
06/08/1976US3962662 Metal welding gasket
06/08/1976US3962661 Magnetically shunted current transformer
06/08/1976US3962660 Pallet pad for transformers and transformer affixed thereon
06/01/1976US3961151 Heated roll inductive heater construction
06/01/1976US3960803 Flexible nontacky prepreg for bonding coils in high voltage devices and method of making said prepreg
05/1976
05/25/1976US3959760 Dry type instrument transformer with potential tap and connector therefor
05/25/1976US3958986 Process for recovery of zinc values from zinc waste
05/25/1976US3958328 Method of making a transformer coil assembly
05/18/1976US3958205 Open link total range fault interrupter
05/18/1976US3958201 Interlaced disc coil winding having offset cross-connections
05/18/1976US3957332 Electric connector apparatus and method
05/11/1976US3956724 Superconductive winding with cooling passages
04/1976
04/27/1976US3953818 Externally bussed, encapsulated current limiting fuse for pad mounted transformers
04/27/1976US3953815 Cast-resin insulated instrument transformer, in particular potential transformer
04/20/1976US3951507 Electric connector apparatus
04/06/1976US3949337 Self-induction device for generating harmonics
04/06/1976US3949268 Ballast unit for gas discharge lamps such as fluorescent tubes or the like
04/06/1976US3947955 Or vapour discharge lamp
03/1976
03/30/1976US3947796 Coil shape comprising an H-shaped coil core
03/30/1976US3947795 Transformer winding means and methods
03/30/1976US3947794 Magnetic core assemblies with adjustable reluctance as a function of temperature
03/23/1976US3946350 Coil assembly for bobbin wound transformer
03/23/1976US3946349 High-power, low-loss high-frequency electrical coil
03/23/1976US3946300 High frequency power supply
03/09/1976US3943435 Transformer having improved voltage and phase characteristics
03/02/1976US3942069 Discharge lamp lighting apparatus and method
02/1976
02/17/1976US3939450 Electrical coil assembly with means for securing external leads
02/17/1976US3939449 Insulated transformer windings
02/17/1976US3939362 Power pack with switch for plural primary-secondary connections
02/03/1976US3936784 Oil-filled apparatus with means for achieving pressure between parts thereof
02/03/1976US3936783 Medium frequency power transformer with a secondary winding suitable for a rigid connection with an inductor through which the coolant flows
02/03/1976US3936592 Electrical bushing having a central conductor with large planar terminal portions at each end
01/1976
01/27/1976US3935377 Electrical bushing comprising a resin body and a ceramic outer shell
01/27/1976US3934453 Conservator system
01/13/1976US3932827 Magnetic field drive coils for field accessed cylindrical domain memories
01/06/1976US3931027 Cellulose material treated with a thermosetting resin and having improved physical properties at elevated temperatures
01/06/1976US3930905 Heat resistant insulating coating layer of calcium titanate