Patents by Inventor Reinhold Holtkamp

Reinhold Holtkamp 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).

  • African violet plant named Ellen
    Patent number: PP5493
    Abstract: A new and distinct cultivar of African violet plant named Ellen characterized by its intensive pink flowers, which do not fade under high temperatures, upright flower stems which carry the flower bouquet centrally above the foliage, vigorous compact growth habit, and by its very long lasting flowers that are non-dropping.
    Type: Grant
    Filed: September 23, 1983
    Date of Patent: June 18, 1985
    Assignee: Gessellschaftsvertrag uber die Erfindergemeinschaft "Optimara"
    Inventor: Reinhold Holtkamp
  • African violet plant named Sabrina
    Patent number: PP5494
    Abstract: A new and distinct cultivar of African violet named Sabrina characterized by its red-purple flowers carried on upright flower stems, with the bouquet being compact and positioned centrally above the foliage, its compact growth habit, and its continuous flowering habit.
    Type: Grant
    Filed: September 23, 1983
    Date of Patent: June 18, 1985
    Assignee: Gessellschaftsvertrag uber die Erfindergemeinschaft "Optimara"
    Inventor: Reinhold Holtkamp
  • African violet plant named Capricorn
    Patent number: PP5540
    Abstract: A new and distinct cultivar of African violet named Capricorn characterized by its deep purple-red slightly waved single flowers, variegated leaves having a bright green leaf center, with the leaves being wavy and funnel shaped, and serrated at the edges; very floriferous flowering habit, with 7-9 upright and rigid flower stems being formed, each carrying up to 13 or more single flowers, and by its compact and full flower bouquet positioned centrally above the leaves.
    Type: Grant
    Filed: September 23, 1983
    Date of Patent: August 20, 1985
    Assignee: Gessellschaftsvertrag uber die Erfindergemeinschaft "Optimara"
    Inventor: Reinhold Holtkamp
  • African violet plant named South Dakota
    Patent number: PP5599
    Abstract: A new cultivar of African violet named South Dakota particularly characterized by its vigorous growth habit, profuse bouquet positioned on upright flower stems; deep violet purple flower color, with the centers of the flower being relatively darker; single flower form; dark green leaves, and its long lasting and non-dropping flowers.
    Type: Grant
    Filed: March 3, 1983
    Date of Patent: December 17, 1985
    Assignee: Gessellschaftsvertrag uber die Ergindergemeinschaft "OPTIMARA"
    Inventor: Reinhold Holtkamp
  • African violet plant named Improved Oregon
    Patent number: PP5600
    Abstract: A new and distinct cultivar of African violet plant named Improved Oregon, characterized by its vigorous growth habit, abundance of upright wire-like flower stems each of which produces 7-9 flowers having frilled edges and intensive pink flower color, profuse flowering, long lasting and non-dropping flowers, and by its dark green, generally round and finely serrated leaves.
    Type: Grant
    Filed: January 5, 1984
    Date of Patent: December 17, 1985
    Assignee: Gessellschaftsvertrag uber die Ergindergemeinschaft "OPTIMARA"
    Inventor: Reinhold Holtkamp
  • African violet named Sequoia
    Patent number: PP5601
    Abstract: A new and distinct cultivar of African violet plant named Sequoia characterized by its vigorous growth habit, dark green and shiny leaves, strong upright flower stems, each carrying 7-9 or more double frilled flowers, purple violet in flower color; profuse flowering habit, and its ability to produce a saleable attractive plant with a full flower head within 8-10 weeks after potting.
    Type: Grant
    Filed: January 5, 1984
    Date of Patent: December 17, 1985
    Assignee: Gessellschaftsvertrag uber die Ergindergemeinschaft "OPTIMARA"
    Inventor: Reinhold Holtkamp
  • African violet plant named Improved Louisiana
    Patent number: PP5602
    Abstract: A new and distinct cultivar of African violet plant named Improved Louisiana characterized by its compact habit, strong and upright flower stems, frilled flowers which are light pink accentuated with darker pink spots around the center and in certain instances darker pink at the edges, and by its dark green and indented leaves.
    Type: Grant
    Filed: January 5, 1984
    Date of Patent: December 17, 1985
    Assignee: Gessellschaftsvertrag uber die Ergindergemeinschaft "OPTIMARA"
    Inventor: Reinhold Holtkamp
  • African violet plant named Baltimore
    Patent number: PP5603
    Abstract: A new and distinct cultivar of African violet named Baltimore characterized by its very compact growth habit, girl type leaves, wire-like flower stems each of which carries seven or more flowers, white flower color, with purple tinging at the center of each petal and around the edges of certain of the petals, very long lasting flowers which do not drop, and by its ability to be grown close together with other plants without leaf stretching.
    Type: Grant
    Filed: January 5, 1984
    Date of Patent: December 17, 1985
    Assignee: Gessellschaftsvertrag uber die Ergindergemeinschaft "OPTIMARA"
    Inventor: Reinhold Holtkamp
  • African violet plant named Betty
    Patent number: PP5604
    Abstract: A new and distinct cultivar of African violet plant named Betty characterized by its compact growth habit, dark green serrated leaves, strong, upright flower stems, each of which carries 5-7 and more flowers, the flowers being frilled and waved and mainly white in color with dark purple centers, uniform growth habit, long lasting and non-dropping flowers, and its ability to produce a saleable plant with a fully developed flower head 8-10 weeks after potting.
    Type: Grant
    Filed: January 5, 1984
    Date of Patent: December 17, 1985
    Assignee: Gessellschaftsvertrag uber die Ergindergemeinschaft "OPTIMARA"
    Inventor: Reinhold Holtkamp
  • African violet plant named Improved Alabama
    Patent number: PP5605
    Abstract: A new and distinct cultivar of African violet plant named Improved Alabama characterized by its vigorous and compact growth habit, strong and upright flower stems each of which carries 7-9 or more relatively large white-purple variegated frilled flowers, and by its relatively dark leaves.
    Type: Grant
    Filed: January 5, 1984
    Date of Patent: December 17, 1985
    Assignee: Gessellschaftsvertrag uber die Ergindergemeinschaft "OPTIMARA"
    Inventor: Reinhold Holtkamp
  • African violet plant named Jo
    Patent number: PP5614
    Abstract: A new and distinct cultivar of African violet named Jo characterized by its compact growth habit, relatively small, wavy and serrated girl-type leaves; intense red-purple flower color, profuse flowering, with 7-9 flowers being carried on upright flower stems, and by its long lasting and non-dropping flowers.
    Type: Grant
    Filed: January 5, 1984
    Date of Patent: December 31, 1985
    Assignee: Gessellschaftsvertrag uber die Ergindergemeinschaft "Optimara"
    Inventor: Reinhold Holtkamp
  • African violet plant named Miami
    Patent number: PP5615
    Abstract: A new and distinct cultivar of African violet plant named Miami characterized by its vigorous growth habit, girl-type leaves which are heaving indented and serrated, 7-9 upright flower stems each of which carries 5-9 flowers which are intensive pink and two-tone in color, with the center of the flower being darker, and by its profuse flowering habit.
    Type: Grant
    Filed: January 5, 1984
    Date of Patent: December 31, 1985
    Assignee: Gessellschaftsvertrag uber die Ergindergemeinschaft "Optimara"
    Inventor: Reinhold Holtkamp
  • African violet plant named Improved Washington
    Patent number: PP5616
    Abstract: A new and distinct cultivar of African violet plant named Improved Washington characterized by its intense violet blue flower color and single to semi-double frilled flower shape, an abundance of strong and upright flower stems, each of which carry 9 or more flowers thereby making the cultivar highly floriferous, vigorous and compact growth habit, and by its yellow and prominent pollen, which provides a pleasing contrast to the flower color.
    Type: Grant
    Filed: January 5, 1984
    Date of Patent: December 31, 1985
    Assignee: Gessellschaftsvertrag uber die Ergindergemeinschaft "Optimara"
    Inventor: Reinhold Holtkamp
  • African violet plant named New Mexico
    Patent number: PP5617
    Abstract: An African violet plant named New Mexico having vigorous growth and upright flower stems, lilac colored, frilled and undulated flowers with a dark lilac margin and center; 7-10 large flowers per stem, and long lasting, non-dropping habit.
    Type: Grant
    Filed: March 22, 1983
    Date of Patent: December 31, 1985
    Assignee: Gessellschaftsvertrag uber die Ergindergemeinschaft "Optimara"
    Inventor: Reinhold Holtkamp
  • African violet plant named New Orleans
    Patent number: PP5627
    Abstract: An African violet plant named New Orleans having upright flower stems, large frilled flowers lilac in color, with a more intense dark lilac on the frilled margins, vigorous growth habit with early flowering, attractive girl type leaves, and non-dropping and long lasting flowers.
    Type: Grant
    Filed: March 22, 1983
    Date of Patent: January 7, 1986
    Assignee: Gessellschaftsvertrag uber die Erfindergemeinschaft "OPTIMARA"
    Inventor: Reinhold Holtkamp
  • African violet plant named Improved Orlando
    Patent number: PP5700
    Abstract: A new and distinct cultivar of African violet plant named Improved Orlando particularly characterized by its compact growth habit, girl-type leaves, short, sturdy and upright flower stems each carrying 7 and more violet shaped and frilled flowers, intensive violet blue flower color, compact flower bouquet, long lasting and non-dropping flowers, and by its ability to produce a saleable plant in 9-10 weeks after potting.
    Type: Grant
    Filed: January 5, 1984
    Date of Patent: March 25, 1986
    Assignee: Gessellschaftsvertrag uber die Ergindergemeinschaft "OPTIMARA"
    Inventor: Reinhold Holtkamp
  • African violet plant named Maui
    Patent number: PP5701
    Abstract: A new and distinct cultivar of African violet plant named Maui characterized by its relatively large dark lilac flowers with white edges, with the flowers being carried on strong flower stems; vigorous and uniform growth habit, dark green and serrated leaves, and by its floriferous habit, with a large and full bouquet of flowers being positioned centrally above the leaves.
    Type: Grant
    Filed: January 5, 1984
    Date of Patent: March 25, 1986
    Assignee: Gessellschaftsvertrag uber die Ergindergemeinschaft "OPTIMARA"
    Inventor: Reinhold Holtkamp
  • African violet plant named Columbus
    Patent number: PP5708
    Abstract: A new and distinct cultivar of African violet plant named Columbus, characterized by its vigorous growth habit, girl type leaves, white-purple single flowers which occasionally have additional flower petals in the center of the flower, strong and upright stems, each of which carry 9 or more flowers, which are long lasting and non-dropping.
    Type: Grant
    Filed: January 5, 1984
    Date of Patent: April 1, 1986
    Assignee: Gessellschaftsvertrag uber die Ergindergemeinschaft "OPTIMARA"
    Inventor: Reinhold Holtkamp
  • African violet plant named Arkansas
    Patent number: PP5725
    Abstract: An African violet plant named Arkansas having exceptionally long lasting and non-dropping purple flowers, with 7-10 more flowers being carried on upright, wire-like flower stems curving to the center, vigorous growth habit, serrated dark green leaves with margins slightly waved and which are symmetrical out of the center of a plant, and by its full bouquet and profuse flowering.
    Type: Grant
    Filed: March 22, 1983
    Date of Patent: April 22, 1986
    Assignee: "Optimara"
    Inventor: Reinhold Holtkamp
  • African violet plant named Improved North Carolina
    Patent number: PP5805
    Abstract: A new and distinct cultivar of African violet plant named Improved North Carolina characterized by its very strong and upright flower stems, each of which carries up to 15 flowers which are large and single in form and an intense red-purple in color, profuse flowering, vigorous growth habit, and by its attractive dark green leaves.
    Type: Grant
    Filed: January 5, 1984
    Date of Patent: November 18, 1986
    Assignee: Gessellschaftsvertrag uber die Ergindergemeinschaft "Optimara"
    Inventor: Reinhold Holtkamp