Elkem-Spigerverket, A/S

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F27D DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE 124

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE30937 Apparatus for gas collection in open electric smelting furnacesJun 30, 80May 18, 82[F27D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4384465 Lock mechanismExpiredJun 30, 80May 24, 83[E05B, E05C]
D267306 SpadeExpiredNov 05, 79Dec 21, 82[D080]
4297326 Method of producing a pure aluminiumoxide from solutions containing dissolved ions of aluminium and ironExpiredFeb 04, 80Oct 27, 81[C01F]
4297327 Method of precipitation of pure aluminiumchloride from solutions which contain ions of aluminium and magnesiumExpiredFeb 04, 80Oct 27, 81[C01F]
4254298 Direct current smelting furnaceExpiredNov 09, 78Mar 03, 81[H05B]
4245133 Roof for covered electric smelting furnacesExpiredMar 14, 79Jan 13, 81[F27D]
4196602 Locking latch handle for windows, doors, and the likeExpiredMay 15, 78Apr 08, 80[E05B]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.