Heurtey, Stein

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 144
 
  
 
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

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6547898 Method of making safe a heat treatment enclosure operating under a controlled atmosphereMay 15, 01Apr 15, 03[C21D]
5431375 Cooled cylinders for handling steel productsJul 07, 94Jul 11, 95[F27D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6761778 Heating process of steel strips in vertical furnacesExpiredJan 30, 02Jul 13, 04[F27B, C21D]
5607144 Furnace for reheating, holding and storing of metallurgical productsExpiredSep 08, 95Mar 04, 97[C21B]
4446812 Galvanization installations of metallic bandsExpiredMay 03, 82May 08, 84[B05C]

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