Assignee
COPPERWELD CORP
6 patents
Top patents by PatentIndex Score
US4227061AOct 7, 1980
Method and apparatus for cladding a metal rod with another metal
COPPERWELD CORP32 citations86
US4331283AMay 25, 1982
Metal cladding
COPPERWELD CORP17 citations72
US4819858AApr 11, 1989
Method of cladding a steel core rod with another metal
COPPERWELD CORP8 citations68
US4759486AJul 26, 1988
Controlled environment chamber for use in cladding a nonaluminum core with aluminum
COPPERWELD CORP7 citations68
US5187866AFeb 23, 1993
Method of making a cam shaft
COPPERWELD CORP8 citations65
US4799971AJan 24, 1989
Tubing for energy absorbing structures
COPPERWELD CORP4 citations45