Assignee
FLOWMASTER INC
US·9 granted patents·470 citations·filing 1983–2003
Top patents by PatentIndex Score
9 records- 0191US5892186AMuffler with gas-dispersing shell and sound-absorption layersFLOWMASTER INC·Filed 1997·Granted Apr 6, 1999·86 cites·34 claims
- 0291US4809812AConverging, corridor-based, sound-attenuating muffler and methodFLOWMASTER INC·Filed 1986·Granted Mar 7, 1989·78 cites·6 claims
- 0389US4574914ACompact, sound-attenuating muffler for high-performance, internal combustion engineFLOWMASTER INC·Filed 1983·Granted Mar 11, 1986·64 cites·7 claims
- 0488US6089347AMuffler with partition arrayFLOWMASTER INC·Filed 1998·Granted Jul 18, 2000·71 cites·59 claims
- 0583US5351481AMuffler assembly with balanced chamber and methodFLOWMASTER INC·Filed 1992·Granted Oct 4, 1994·41 cites·16 claims
- 0678US5216883AHeader assembly for internal combustion engine and methodFLOWMASTER INC·Filed 1992·Granted Jun 8, 1993·55 cites·20 claims
- 0777US5123502AMuffler assembly with perforated partition for ignition of accumulated fuel and methodFLOWMASTER INC·Filed 1990·Granted Jun 23, 1992·48 cites·10 claims
- 0860US6584346B2Process and apparatus for selecting or designing products having sound outputsFLOWMASTER INC·Filed 2001·Granted Jun 24, 2003·19 cites·13 claims
- 0954US6936000B2Process and apparatus for selecting or designing products having content-free sound outputsFLOWMASTER INC·Filed 2003·Granted Aug 30, 2005·8 cites·12 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →