Patents by Inventor Oscar Valstar

Oscar Valstar 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).

  • Publication number: 20110093994
    Abstract: A new and distinct Calathea rosea picta cultivar named ‘HGV09’ is disclosed, characterized by unique coloration of the foliage. The new variety is a Calathea, and is normally used as an ornamental plant.
    Type: Application
    Filed: October 19, 2009
    Publication date: April 21, 2011
    Inventor: Oscar Valstar
  • Patent number: PP18535
    Abstract: A new cultivar of Calathea plant named ‘HGV08’ that is characterized by ovate leaves that have a purple under side and a yellow-green upper side with dark green areas along the veins and margins and pink stripes between the secondary veins.
    Type: Grant
    Filed: June 29, 2006
    Date of Patent: March 4, 2008
    Assignee: Gebr. Valstar Beheer BV
    Inventor: Oscar Valstar
  • Patent number: PP18563
    Abstract: A new cultivar of Calathea plant named ‘HGV05’ that is characterized by a compact habit, leaves that have a red-purple under side and a yellow-green upper side with dark green areas along the veins and dark green margins.
    Type: Grant
    Filed: June 29, 2006
    Date of Patent: March 4, 2008
    Assignee: Gebr. Valstar Beheer BV
    Inventor: Oscar Valstar
  • Patent number: PP18652
    Abstract: A new cultivar of Calathea plant named ‘HGV04’ that is characterized by leaves that have a purple under side, a green upper side with yellow-green areas along the main and secondary veins and leaves with wavy margins.
    Type: Grant
    Filed: June 29, 2006
    Date of Patent: March 25, 2008
    Assignee: Gebr. Valstar Beheer BV
    Inventor: Oscar Valstar
  • Patent number: PP21978
    Abstract: A new and distinct Calathea rosea picta cultivar named ‘HGV09’ is disclosed, characterized by unique coloration of the foliage. The new variety is a Calathea, and is normally used as an ornamental plant.
    Type: Grant
    Filed: October 19, 2009
    Date of Patent: June 14, 2011
    Inventor: Oscar Valstar
  • Patent number: PP35039
    Abstract: ‘VALCOSTA2’ is a new and distinctive Ctenanthe plant which is characterized by foliage with large laminae borne on long, upright petioles that arise directly from the base of the plant, a light greyed-green adaxial laminar surface with broad portions of the lamina adjacent to veins prominently colored with a mixture of dark green to yellow-green, an abaxial laminar surface which is colored with a mixture of dark greyed-purple and brown and lightly suffused with yellow-green at the margins, and the stability of all characteristics from generation to generation. The new variety is typically produced as an indoor ornamental plant.
    Type: Grant
    Filed: June 27, 2022
    Date of Patent: March 14, 2023
    Assignee: Gebr. Valstar Beheer B.V.
    Inventor: Oscar Valstar