Inventor · disambiguated record

John D. Douro

Also filed as: DOURO JOHN D

2 granted patents·19 citations·filing 2004–2006

58Inventor score

Technology areasB22D F01P

Files withGEN MOTORS CORP1 GM GLOBAL TECH OPERATIONS INC1

Top patents by PatentIndex Score

2 records

0176US7438117B2Cylinder block casting bulkhead window formationGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Oct 21, 2008·4 cites·13 claims
0269US6955142B2Piston and cylinder oil squirter rail and systemGEN MOTORS CORP·Filed 2004·Granted Oct 18, 2005·15 cites·8 claims

Join the waitlist — get patent alerts

Get an alert when John D. Douro 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 →