Unimetal
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Nov 28, 2000 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 31 Total Citation Count
- Mar 04, 1986 Earliest Filing
- 8 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
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Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5562753 Method and installation for producing molten steel from ferrous materials rich in carbonaceous materialsExpiredMay 26, 94Oct 08, 96[C21C]
5291513 Method and device for exhausting gases or fumes from a metallurgical container and an electric furnace provided with said exhaust deviceExpiredJul 28, 93Mar 01, 94[B08B, F27B, F27D, C21B]
5265117 Method of exhausting gases and fumes from an electric arc furnace utilizing additional inlet gas duct ensuring constant pressureExpiredMay 21, 92Nov 23, 93[F27D, C21C]
5163785 Method for sealing connections between sheet piles, and sheet piles employing said methodExpiredJun 11, 91Nov 17, 92[E02D]
5152952 Device for unclogging a lance intended to be inserted into a metallurgical vesselExpiredSep 27, 91Oct 06, 92[C21B]
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