Heating coil structures

United States of America Patent

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Mar 22, 1994
Issued Date
N/A
app pub date
Apr 9, 1993
filing date
Jan 8, 1992

priority date (Note)
Expired

status (Latency Note)

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Abstract

A heating element formed from at least two wires twisted together. The twisted wires are preferably shaped in a helical configuration and mounted within a quartz tube.

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Patent Owner(s)

Patent Owner	Address
QUARTZ TUBING INC	PHILADELPHIA PA

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Inventor Name	Address	# of filed Patents	Total Citations
Burstein, Norman	Philadelphia, PA	1	39
Stein, John	Ewing, NJ	12	206

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Heating coil structures

Number of patents in Portfolio can not be more than 2000

United States of America Patent

08046491

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PATENT NO	5296685
SERIAL NO	08046491
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08046491

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Abstract

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