| Patents for F27D 11 - Arrangement of elements for electric heating in or on furnaces (4,538) |
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| 11/02/1976 | US3989918 Apparatus for use in repair of ingot molds |
| 11/02/1976 | US3989883 Furnace installation operated by direct electrical heating according to the resistance principle, in particular for the preparation of silicon carbide |
| 11/02/1976 | US3989512 Plasma heat treatment means and method |
| 10/19/1976 | US3987236 Arrangement on electric induction furnaces for the determination of the filling level of the liquid melting material |
| 10/12/1976 | US3985946 Removable heating element for high temperature furnaces |
| 10/12/1976 | US3985545 Metal melting method using electric arc furnace |
| 10/05/1976 | US3984617 Electric arc furnace |
| 10/05/1976 | US3984614 Cylindrical elongated furnace for treating material at high temperature in a gaseous atmosphere under high pressure |
| 10/05/1976 | US3984613 Electric furnace with tiltable and removable hearth |
| 09/14/1976 | US3980802 Method of arc control in plasma arc furnace torches |
| 09/14/1976 | US3980801 Tilt and swing lock mechanism for electric furnace |
| 09/14/1976 | US3980467 Method of operating a batch type annealing furnace using a plasma heat source |
| 09/07/1976 | US3979575 Portable electric oven |
| 08/31/1976 | US3977462 Apparatus for producing a die cast of a complicated shape |
| 08/24/1976 | US3976829 Collector apparatus for gaseous reaction products |
| 08/17/1976 | US3975578 Indirect arc metal melting furnace method |
| 08/17/1976 | US3975576 Rotatable furnace pot including stoking means |
| 08/17/1976 | US3975575 Rotatable furnace pot for smelting furnaces |
| 08/03/1976 | US3972682 Pyrolysis furnace |
| 07/27/1976 | US3971875 Apparatus and method for vacuum hot press joining, compacting and treating of materials |
| 04/27/1976 | US3952408 Method of assembling a resistance furnace |
| 04/20/1976 | US3951643 Steel production method |
| 04/13/1976 | US3950602 Furnace installation operated by direct electrical heating according to the resistance principle in particular for preparation of silicon carbide |
| 04/13/1976 | US3950601 Electric furnace |
| 04/06/1976 | US3948643 Method for refining steel |
| 03/23/1976 | US3945818 Method for electroslag remelting with slag introduction and current circuit |
| 03/09/1976 | US3943015 Monocrystalline silicon |
| 03/02/1976 | US3941293 Brazing jig for aluminum radiator cores |
| 02/24/1976 | US3940552 Water-cooled panel for arc furnace |
| 02/24/1976 | US3940245 Convection shield for isostatic bonding apparatus |
| 02/17/1976 | US3938788 Apparatus for the production of metals by a smelting metallurgical process |
| 02/10/1976 | US3937869 Force sensing control apparatus and method for electric arc furnaces |
| 02/10/1976 | US3937866 Process of striking an arc for a plasma beam inside an enclosure and a stick-electrode for carrying out the process |
| 02/03/1976 | US3936659 Electrically heated oven for high temperature cleaning |
| 02/03/1976 | US3936587 Electrode construction for resistance heating furnace |
| 01/27/1976 | US3935371 Plasma heated batch-type annealing furnace |
| 01/20/1976 | US3933474 Leech alloying |
| 01/13/1976 | US3931898 Machine for conditioning ore heat-treating furnace throat |