Inventor · disambiguated record
Roger D. Hanson
Also filed as: HANSON ROGER D
3 granted patents·223 citations·filing 1987–1999
77Inventor score
Technology areasF01N
Top patents by PatentIndex Score
3 records- 0194US6158546AStraight through muffler with conically-ended output passageTENNECO AUTOMOTIVE INC·Filed 1999·Granted Dec 12, 2000·155 cites·10 claims
- 0268US4744440AExhaust gas silencing deviceTENNECO INC TENNECO AUTOMOTIVE·Filed 1987·Granted May 17, 1988·38 cites·8 claims
- 0365US4865154AMuffler with drain holesTENNESSEE GAS PIPELINE CO·Filed 1988·Granted Sep 12, 1989·30 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when Roger D. Hanson files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →