FRIED. KRUPP AG HOESCH-KRUPP OF ALTENDORFER STRASSE 103

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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

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6022427 Method for producing helical springsJul 20, 98Feb 08, 00[C21D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5628388 Hydraulic shock absorber or spring leg for motor vehiclesExpiredJul 11, 95May 13, 97[F16F]

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