Patents by Inventor Rogerio Ferreira Negrao

Rogerio Ferreira Negrao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6693267
    Abstract: A portable microwave oven, formed by a hollow prismatic body (10) defining an internal cooking chamber (20) formed between a first polygonal base (30) and a second polygonal base (40) of said body (10) and a peripheral lateral wall (50), the first polygonal base (30) externally defining a first seating surface (31) of the oven, the second polygonal base (40) being at least partially defined by a tiltable door (60) that gives access to the cooking chamber (20), the peripheral lateral wall (50) defining, in part of its extension, a second seating surface (52) of the oven, the cooking chamber (20) being provided with a first product supporting surface (21) and a second product supporting surface (22) in a position usually displaced in 90 degrees in relation to the operative position when using the first product supporting surface (21).
    Type: Grant
    Filed: November 1, 2002
    Date of Patent: February 17, 2004
    Assignee: Multibras S.A. Eletrodomesticos
    Inventors: Ari Koji Shimizu, Willian Harley Garcia, Cláudia Alquezar Facca, Rogério Ferreira Negrão
  • Patent number: D502711
    Type: Grant
    Filed: July 24, 2003
    Date of Patent: March 8, 2005
    Assignee: Multibras S.A. Eletrodomesticos
    Inventors: Rodolfo Floeter, Jr., Anna Luiza Moraes De Sa Cavalcanti, Tammy Monteiro Del Arco Barros, Guilherme Nehring, Ricardo Kolb Filho, Rogerio Ferreira Negrao
  • Patent number: D439643
    Type: Grant
    Filed: June 20, 2000
    Date of Patent: March 27, 2001
    Assignees: Whirlpool Corporation, Maltibras S.A. Eletrodomesticos
    Inventors: Rogerio Ferreira Negrao, Anna Luiza Moraes de Sa Cavalcanti, Antonio Jorge Pietruza, Guilherme Nehring
  • Patent number: D562440
    Type: Grant
    Filed: October 23, 2006
    Date of Patent: February 19, 2008
    Assignee: Whirlpool S.A.
    Inventors: Rogerio Ferreira Negrao, Anna Luiza Moraes de Sa Cavalcanti, Guilherme Nehring
  • Patent number: D490509
    Type: Grant
    Filed: September 5, 2002
    Date of Patent: May 25, 2004
    Assignee: Multibras S.A. Eletrodomesticos
    Inventors: Rogério Ferreira Negrão, Guilherme Nehring, Tammy Monteiro Del Arco Barros
  • Patent number: D423658
    Type: Grant
    Filed: January 25, 1999
    Date of Patent: April 25, 2000
    Assignee: Whirlpool Corporation
    Inventors: Rogerio Ferreira Negrao, Anna Luiza Moraes de Sa Cavalcanti, Antonio Jorge Pietruza, Alvaro Correa
  • Patent number: D430174
    Type: Grant
    Filed: August 27, 1998
    Date of Patent: August 29, 2000
    Assignee: Multibras S/A Electrodomesticos
    Inventors: Rogerio Ferreira Negrao, Rodolfo Floeter Junior