Curved graphite furnace elements
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 4, 2000
Issued Date -
N/A
app pub date -
Aug 21, 1998
filing date -
Mar 30, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A graphite furnace element, such as a heat shield or heating element, comprises a plurality of bent, rigid, solid and arcuate-shaped graphite sheets that have been joined together, usually by screws or bolts. The bent graphite sheets typically have a wall thickness between 0.05 and 0.5 inch.
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 7 Citation Count
- B32B Class
- 3.14 % this patent is cited more than
- 25 Age