Assignee
AP IND INC
US15 patents
Top patents by PatentIndex Score
US4700806AOct 20, 1987
Stamp formed muffler
AP IND INC69 citations93
US4836330AJun 6, 1989
Plural chamber stamp formed muffler with single intermediate tube
AP IND INC33 citations90
US4806726AFeb 21, 1989
Apparatus for machining a bent elongated member of variable configuration
AP IND INC26 citations90
US4765437AAug 23, 1988
Stamp formed muffler with multiple low frequency resonating chambers
AP IND INC55 citations90
US4759423AJul 26, 1988
Tube and chamber construction for an exhaust muffler
AP IND INC54 citations90
US4732025AMar 22, 1988
Precision bending apparatus and process
AP IND INC32 citations90
US4656713AApr 14, 1987
Method for forming an air gap pipe
AP IND INC34 citations90
US4760894AAug 2, 1988
Exhaust muffler with angularly aligned inlets and outlets
AP IND INC47 citations89
US4744233AMay 17, 1988
Apparatus for bending rectangular tubes
AP IND INC37 citations89
US4736817AApr 12, 1988
Stamp formed muffler
AP IND INC48 citations89
US4656712AApr 14, 1987
Method for manufacturing a heat shielded exhaust system component
AP IND INC28 citations88
US4638965AJan 27, 1987
Universal bracket assembly
AP IND INC60 citations85
US4777708AOct 18, 1988
Method for manufacturing an exhaust manifold
AP IND INC24 citations77
US4712295ADec 15, 1987
Clamp apparatus
AP IND INC16 citations69
US4617710AOct 21, 1986
Insulator removal tool
AP IND INC17 citations60