Inventor · disambiguated record
Waldir Pedro Martignoni
Also filed as: MARTIGNONI WALDIR PEDRO
3 granted patents·2 pending applications·44 citations·filing 2000–2009
67Inventor score
Files withPETROLEO BRASILEIRO SA3
Top patents by PatentIndex Score
5 records- 0193US7531142B2Multifunctional entry device for a downward flow tube reactorPETROLEO BRASILEIRO SA·Filed 2006·Granted May 12, 2009·38 cites·13 claims
- 0260US7081229B2Second stage cyclone dipleg termination device in FCC unitsPETROLEO BRASILEIRO SA·Filed 2003·Granted Jul 25, 2006·6 cites·17 claims
- 0355US7967975B2Sealing system for cyclone legPETROLEO BRASILEIRO SA·Filed 2009·Granted Jun 28, 2011·0 cites·7 claims
- 0441US2003194360A1Multifunctional entry method and device for downward flow tube reactorFiled 2002·Application pending·0 cites
- 0540US2001003575A1Sealing system for cyclone legFiled 2000·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Waldir Pedro Martignoni 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 →