Waldir Pedro Martignoni

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Sao Mateus do Sul, BR

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Patents Grantslast 30 patents

Information Patent Grant
Sealing system for cyclone leg
- Patent number 7,967,975
- Issue date Jun 28, 2011
- Petroleo Brasileiro S.A. Petrobras
- José Geraldo Furtado Ramos
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information Patent Grant
Multifunctional entry device for a downward flow tube reactor
- Patent number 7,531,142
- Issue date May 12, 2009
- Petroleo Brasileiro S.A. Petrobras
- Wilson Kenzo Huziwara
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Second stage cyclone dipleg termination device in FCC units
- Patent number 7,081,229
- Issue date Jul 25, 2006
- Petroleo Brasileiro S.A.
- Wilson Kenzo Huziwara
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Sealing system for cyclone leg
- Publication number 20100071553
- Publication date Mar 25, 2010
- Petroleo Brasileiro S.A. - PETROBRAS
- Jose Geraldo Furtado Ramos
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Multifunctional entry device for downward flow tube reactor
- Publication number 20060286009
- Publication date Dec 21, 2006
- Petroleo Brasileiro S.A.
- Wilson Kenzo Huziwara
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Second stage cyclone dipleg termination device in FCC units
- Publication number 20040208801
- Publication date Oct 21, 2004
- Wilson Kenzo Huziwara
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Multifunctional entry method and device for downward flow tube reactor
- Publication number 20030194360
- Publication date Oct 16, 2003
- Wilson Kenzo Huziwara
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Sealing system for cyclone leg
- Publication number 20010003575
- Publication date Jun 14, 2001
- Jose Geraldo Furtado Ramos
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL