| Patent No. | Patent Title: |
| 4530101 | Electric arc fired cupola for remelting of metal chips |
| 4525611 | Fluid pressure switch |
| 4523060 | Combination keyboard |
| 4523171 | Dry-type transformer with windings cast in casting resin |
| 4521651 | Diaphragm apparatus having a magnetically imparted hysteresis ... |
| 4517509 | Inductive device |
| 4516104 | Coil assembly for hot melt induction heater apparatus |
| 4513274 | Current transformer for measuring instruments |
| 4513180 | Circuit breaker operator and interlock |
| 4513425 | Composite electrode for arc furnace |
| 4511771 | Electric fence gate switch |
| 4511873 | Current transformer insulated by pressurized gas |
| 4510610 | Extractive furnace for extracting gaseous components from materia... |
| 4510477 | Current transformer |
| 4510357 | Actuator for transfer circuit breaker switch |
| 4510609 | Furnace for vertical solidification of melt |
| 4509179 | Vacuum sintering and hot isostatic pressing in the same vessel |
| 4509178 | Arrangement of an electrode for electric arc furnaces |
| 4509033 | Ignition coil construction for engine ignition system |
| 4509177 | Electric arc-fired blast furnace system |
| 4507640 | High frequency transformer |
| 4507639 | Inductive position sensor |
| 4506248 | Stacked amorphous metal core |
| 4506370 | Arc furnace installation with shroud |
| 4504812 | Spherical transformer apparatus |
| 4504813 | Energy saving wound core transformer |
| 4503301 | Differential fluid pressure switch |
| 4500759 | Fluid flow switch |
| 4500833 | Switched mode power supply transformer |
| 4497986 | Line switch assembly for a timing mechanism |
| 4498185 | Process for preventing burn-off on a current-conducting electrode... |
| 4496927 | Multilayer coil |
| 4496923 | Electrical device with improved heat dissipation |
| 4496924 | Pulse transformer having conductive shield around magnetic core m... |
| 4496926 | Molded coil structure |
| 4494100 | Planar inductors |
| 4494102 | Transformer core and method and apparatus for forming same |
| 4492944 | Transformer winding |
| 4492828 | Slide selector switch |
| 4491819 | Magnetically biased inductor |
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