EXPLOWELD AB

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5238512 Water resistant elastic explosive mixtureExpiredJun 11, 90Aug 24, 93[C06B]
5104027 Method of explosion weldingExpiredNov 08, 90Apr 14, 92[B23K]
4986461 Method of constructing tools intended for use in work carried out with the aid of shock-wave generating energy sourcesExpiredAug 31, 89Jan 22, 91[B23K]
4981250 Explosion-welded pipe jointExpiredSep 05, 89Jan 01, 91[B23K]
4925084 Method of explosion welding alloy aluminiumExpiredSep 27, 88May 15, 90[F42B]
4901905 Charging system in the explosion welding of planar or curved workpiecesExpiredSep 27, 88Feb 20, 90[B23K]
4867369 Method pertaining to the explosion welding of very thin metal layersExpiredNov 04, 87Sep 19, 89[B23K]
4809902 Method of welding using particle accelerationExpiredNov 25, 87Mar 07, 89[B23K]

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