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Fagersta AB

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Records under this name other than patents Fagersta AB holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 3,991,930Method for producing a multi-layer metal strip and metal strip produced according to said method
Term ended
Term ended no later than Nov 16, 1996 · Low confidence
Term endedTerm ended no later than Nov 16, 1996Low confidence
US 4,030,532Method for casting steel ingots
Term ended
Term ended no later than Jun 21, 1997 · Low confidence
Term endedTerm ended no later than Jun 21, 1997Low confidence
US 4,096,681Fastener for retaining sheet cladding
Formerly held
Term ended
Term ended no later than Jun 27, 1998 · Low confidence
Term endedTerm ended no later than Jun 27, 1998Low confidence
US 4,222,773Corrosion resistant austenitic stainless steel containing 0.1 to 0.3 percent manganese
Term ended
Term ended no later than Sep 16, 2000 · Low confidence
Term endedTerm ended no later than Sep 16, 2000Low confidence
US 4,227,647Device for cooling chimney gases
Formerly held
Term ended
Term ended no later than Oct 14, 2000 · Low confidence
Term endedTerm ended no later than Oct 14, 2000Low confidence
US 4,295,900Rolled wire having a fine-grain structure
Formerly held
Term ended
Term ended no later than Oct 20, 2001 · Low confidence
Term endedTerm ended no later than Oct 20, 2001Low confidence
US 4,296,830Product provided with sound damping element
Term ended
Term ended no later than Oct 27, 2001 · Low confidence
Term endedTerm ended no later than Oct 27, 2001Low confidence
US 4,392,809Method and plant for recovering heat from smoke gases
Formerly held
Term ended
Term ended no later than Jul 12, 2003 · Low confidence
Term endedTerm ended no later than Jul 12, 2003Low confidence
US 4,415,119Boiler
Term ended
Term ended no later than Nov 15, 2003 · Low confidence
Term endedTerm ended no later than Nov 15, 2003Low confidence
US D266,521Shank adapter for a rock drilling machine
Term ended
Term ended
10 of 11 patents shown.
Pro members see all 11.
Pro members: see all 11 patents
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