| Patent Number |
Title Of Patent |
Date Issued |
| RE30838 |
Electrical heating element |
December 29, 1981 |
| An improved electrical heating element for a high-temperature furnace including a support structure and an electrical-heating assembly. The support structure includes a plurality of thin, flat, non-conductive plates each having a plurality of spaced apertures therethrough and a plura |
| 4649368 |
Electrical resistance heating element |
March 10, 1987 |
| A resistance heating element of the ribbon type for use in a high temperature electric furnace. The element has the same curved cross-sectional configuration throughout its entire length to give it strength and stiffness and permits the element to be bent into various patterns withou |
| 4449016 |
Ceramic heater support and spacer block |
May 15, 1984 |
| An improved ceramic heater support and spacer block, for use in an electrical heating element, is constructed to increase the amount of electrical wire per unit space available for plug-type conventional heating units. The ceramic heater support block, T-shape in plan, has spaced end |
| 4337390 |
Electric heating element |
June 29, 1982 |
| An improved electrical heating element is constructed to increase the amount of electrical wire per unit space available for plug-type convection heating units. The heating element includes a metal frame structure with a plurality of spaced support elements and a plurality of spaced |
| 4243872 |
Electrical heating element |
January 6, 1981 |
| An improved electrical heating element is constructed in such a manner as to increase the amount of electrical wire per unit space available for plug-type convection heating units. The plug uses a rectangular-shaped frame which has a plurality of spool covered rods evenly spaced along th |
| 4016403 |
Electrical heating element |
April 5, 1977 |
| An improved electrical heating element for a high-temperature furnace including a support structure and an electrical-heating assembly. The support structure includes a plurality of thin, flat, non-conductive plates each having a plurality of spaced apertures therethrough and a plura |
