04626665 is referenced by 282 patents and cites 18 patents.

A corrosion-resistant long heater is formed by encasing segments of metal-sheathed, mineral-insulated, electrical resistance heating elements within a metal oversheath which oversheath is substantially completely impermeable and is compressed inwardly to create metal-to-metal contacts between the sheath and the encased elements.

Title
Metal oversheathed electrical resistance heater
Application Number
6/747592
Publication Number
4626665
Application Date
June 24, 1985
Publication Date
December 2, 1986
Inventor
William C Fort III
Katy
TX, US
Assignee
Shell Oil Company
TX, US
IPC
H05B 3/06
H05B 3/40
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