Assignee
COPPERWELD CORP
US·6 granted patents·76 citations·filing 1976–1991
Top patents by PatentIndex Score
6 records- 0178US4227061AMethod and apparatus for cladding a metal rod with another metalCOPPERWELD CORP·Filed 1976·Granted Oct 7, 1980·32 cites·2 claims
- 0271US4331283AMetal claddingCOPPERWELD CORP·Filed 1979·Granted May 25, 1982·17 cites·3 claims
- 0340US4819858AMethod of cladding a steel core rod with another metalCOPPERWELD CORP·Filed 1983·Granted Apr 11, 1989·8 cites·17 claims
- 0436US4759486AControlled environment chamber for use in cladding a nonaluminum core with aluminumCOPPERWELD CORP·Filed 1985·Granted Jul 26, 1988·7 cites·5 claims
- 0533US5187866AMethod of making a cam shaftCOPPERWELD CORP·Filed 1991·Granted Feb 23, 1993·8 cites·4 claims
- 0620US4799971ATubing for energy absorbing structuresCOPPERWELD CORP·Filed 1987·Granted Jan 24, 1989·4 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →