| Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550) |
|---|
| 03/29/1977 | US4014901 Synthetic hormones for insect control |
| 03/22/1977 | US4013985 Three-phase current transformer |
| 02/22/1977 | US4009460 Inductor |
| 02/08/1977 | US4007416 Voltage regulating transformer |
| 02/08/1977 | US4007414 Current transducer arrangement |
| 01/18/1977 | US4004251 Inverter transformer |
| 01/18/1977 | US4004185 Electric lighting systems |
| 12/07/1976 | US3996543 Current transformer |
| 12/07/1976 | US3996513 Differential microampere current sensor |
| 12/07/1976 | US3996444 Apparatus for welding rolled seams |
| 11/30/1976 | US3995209 Inductive connectors |
| 11/02/1976 | US3990030 Pincushion correction transformer |
| 11/02/1976 | US3990001 Measuring transformer for installation in the metal enclosure of a switching installation |
| 10/26/1976 | US3988684 Voltage transformer for an insulated high-voltage switching installation containing several conductors |
| 10/19/1976 | US3987490 Rotating read/write system for NRZI data |
| 10/19/1976 | US3987339 Constant power lamp ballast |
| 10/19/1976 | US3987334 Integrally ballasted electrodeless fluorescent lamp |
| 10/05/1976 | US3984798 Hotstick applicator for fault indicator cores |
| 09/07/1976 | US3978548 End cap for primary windings |
| 08/10/1976 | US3974440 Measuring transformer for a fully insulated, metal-clad high-voltage installation |
| 07/20/1976 | US3970688 Synthetic hormones for insect control |
| 06/29/1976 | US3967189 Power supply for electronic circuits at high-voltage potential |
| 06/22/1976 | US3965451 Ballast transformer mounting arrangement |
| 06/22/1976 | US3965408 Controlled ferroresonant transformer regulated power supply |
| 06/08/1976 | USRE28851 Current transformer with active load termination |
| 06/08/1976 | US3962661 Magnetically shunted current transformer |
| 06/08/1976 | US3962609 Voltage transformer for a completely insulated high-voltage installation |
| 06/01/1976 | US3960902 Ethers of open chain terenoid compounds |
| 05/25/1976 | US3959761 Single conductor current transformer adapted to be installed into a fully insulated, metal-encapsulated high-voltage switching installation |
| 05/25/1976 | US3959760 Dry type instrument transformer with potential tap and connector therefor |
| 05/25/1976 | US3959264 Terpenoid ethers and their epoxides |
| 04/27/1976 | US3953815 Cast-resin insulated instrument transformer, in particular potential transformer |
| 04/20/1976 | US3952243 Voltage transformer for a high voltage switching apparatus |
| 04/06/1976 | US3949338 Ignition coil |
| 04/06/1976 | US3949337 Self-induction device for generating harmonics |
| 04/06/1976 | US3949290 Instrument transformer with cone-shaped insulating layer |
| 04/06/1976 | US3949268 Ballast unit for gas discharge lamps such as fluorescent tubes or the like |
| 04/06/1976 | US3947955 Or vapour discharge lamp |
| 03/09/1976 | US3943435 Transformer having improved voltage and phase characteristics |
| 03/09/1976 | US3943433 Measuring transformer arrangement for a high-voltage installation carrying several conductors |
| 03/02/1976 | US3942106 Voltage transformer for use in high voltage switching installation |
| 03/02/1976 | US3942099 Measuring transformer with a capacitor bushing |
| 03/02/1976 | US3942069 Discharge lamp lighting apparatus and method |
| 02/24/1976 | US3940662 Saturable reactor for pincushion distortion correction |
| 02/17/1976 | US3939412 Voltage measuring device for an encapsulated high-voltage switching installation |
| 02/10/1976 | US3938039 Voltage measuring device for encapsulated high-voltage installations |
| 02/03/1976 | US3936719 High voltage generator for a television receiver |
| 02/03/1976 | US3936475 Terpenoid epoxides |
| 02/03/1976 | US3936474 Synthetic hormones for insect control |
| 01/13/1976 | US3932810 Temperature compensated combined current and voltage measuring apparatus |