Patents by Inventor Antti Veli Antero Vahamaa

Antti Veli Antero Vahamaa 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).

  • Coated roll or cylinder and machine having same
    Patent number: 7052780
    Abstract: The invention provides a coated composite cylinder and a machine for making paper including a coated composite cylinder. On top of said composite cylinder (1) is drawn or extruded a metal casing (2), whose metal surface is modified with a metal treatment process and/or plated with a coating layer.
    Type: Grant
    Filed: January 21, 2004
    Date of Patent: May 30, 2006
    Assignee: Stratum Oy
    Inventors: Pekka Laukkanen, Antti Veli Antero Vähämaa
  • Coating method for a roll or cylinder
    Publication number: 20040151857
    Abstract: The invention provides a method for coating a composite cylinder. On tope of said composite cylinder (1) is drawn or extruded a metal casing (2), whose metal surface is modified a metal treatment process and/or plated with a coating layer.
    Type: Application
    Filed: January 21, 2004
    Publication date: August 5, 2004
    Applicant: Stratum Oy
    Inventors: Pekka Laukkanen, Antti Veli Antero Vahamaa
  • Coating method for a roll or cylinder
    Patent number: 6699417
    Abstract: The invention relates to a method for coating a composite cylinder. On top of said composite cylinder (1) is drawn or extruded a metal casing (2), whose metal surface is modified a metal treatment process and/or plated with a coating layer.
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: March 2, 2004
    Assignee: Stratum Oy
    Inventors: Pekka Laukkanen, Antti Veli Antero Vähämaa
  • Coating method for a roll or cylinder
    Publication number: 20030170488
    Abstract: The invention relates to a method for coating a composite cylinder. On top of said composite cylinder (1) is drawn or extruded a metal casing (2), whose metal surface is modified a metal treatment process and/or plated with a coating layer.
    Type: Application
    Filed: June 21, 2002
    Publication date: September 11, 2003
    Inventors: Pekka Laukkanen, Antti Veli Antero Vahamaa