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).

  • Capillary disc and support therefor
    Patent number: 4434577
    Abstract: A watering device for potten plants comprising a support disc and a plurality of arcuately spaced legs extending downwardly and outwardly from the disc so as to elevate said disc from the bottom of a tray. A pad is positioned on said disc, with the pad having a hinged movable tab which can be bent downwardly through an opening formed in the disc for submergence in the water in the tray. The tray is formed with arcuately spaced pockets which receive the legs of the support and which extend below the bottom wall of the tray so as to elevate the same from a supporting surface.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: March 6, 1984
    Inventor: Reinhold Holtkamp
  • Capillary disc and support therefor
    Patent number: 4343109
    Abstract: A watering device for potted plants comprising a support disc and a plurality of legs extending downwardly froom the disc so as to elevate said disc from the bottom of a tray. A pad is positioned on said disc, with the pad having a hinged movable tab which can be bend downwardly through an opening formed in the disc for submergence in the water in the tray. Thus, water is transmitted by capillary action from said tab to and uniformly throughout said pad for providing water to a pot positioned on said pad.
    Type: Grant
    Filed: November 12, 1980
    Date of Patent: August 10, 1982
    Inventor: Reinhold Holtkamp
  • African violet plant
    Patent number: PP4777
    Abstract: An African violet named South Carolina, particularly characterized by its vigorous growth habit; intensive green leaves; strong upright flower stems; large star-shaped white flowers, with wavy petal edges, and by its floriferous corolla, which is positioned well above the leaves.
    Type: Grant
    Filed: July 25, 1980
    Date of Patent: October 13, 1981
    Inventor: Reinhold Holtkamp
  • African violet plant
    Patent number: PP4782
    Abstract: An African Violet plant known by the cultivar name Glacier and particularly characterized by its large white, star-shaped flowers having five to eight petals; strong and upright flower stems; heart-shaped leaves, vigorous growth habit, and by its long lasting, non-dropping flowers.
    Type: Grant
    Filed: July 1, 1980
    Date of Patent: October 27, 1981
    Inventor: Reinhold Holtkamp
  • African violet plant
    Patent number: PP4870
    Abstract: An African violet named Illinois, particularly characterized by its large pink, star-shaped flowers; strong, upright flower stems each carrying 7-10 flowers; heavy and prominent yellow pollen sacs; vigorous and uniform growth habit, producing a plant in full flower in 9-10 weeks.
    Type: Grant
    Filed: July 25, 1980
    Date of Patent: July 27, 1982
    Assignee: Gessellschaftsvertrag uber die Erfindergemeinschaft "OPTIMARA"
    Inventor: Reinhold Holtkamp
  • African violet plant
    Patent number: PP4875
    Abstract: An African violet known by the cultivar name Atlanta having light pink flower color, medium to dark green variegated leaves, with contrasting light green centers; upright and rigid stems; floriferous habit, with 7-12 flowers appearing on each stem, and uniform and compact growth habit.
    Type: Grant
    Filed: July 25, 1980
    Date of Patent: August 10, 1982
    Assignee: Gessellschaftsvertrag uber die Erfindergemeinschaft "OPTIMARA"
    Inventor: Reinhold Holtkamp
  • African Violet plant
    Patent number: PP4975
    Abstract: An African Violet plant known by the cultivar name Oklahoma and particularly characterized by its large non-dropping flowers with frilled edges, generally purplish-red flower color, with certain petals being lighter in color than others, upright flower stems, vigorous and compact growth habit, and by its floriferousness, with up to 15 flowers being carried on each stem.
    Type: Grant
    Filed: July 1, 1980
    Date of Patent: January 18, 1983
    Inventor: Reinhold Holtkamp
  • African violet plant
    Patent number: PP5016
    Abstract: A new African violet cultivar named Pink Delaware which is a sport of Delaware, disclosed in U.S. Plant Pat. No. 4,213. Pink Delaware is characterized by its pink flower color and relatively large flower size, its upright and strong flower stems which rigidly support the large flowers to provide a relatively tight and profuse corolla; compact growth habit; and by its continuous and uniform flowering, with flowers appearing approximately 6-8 weeks after potting.
    Type: Grant
    Filed: September 24, 1981
    Date of Patent: March 29, 1983
    Inventor: Reinhold Holtkamp
  • African violet plant
    Patent number: PP5020
    Abstract: An African violet plant known by the cultivar name Vermont having strong upright stems, with 10-12 flowers per stem, with the flowers being clear and deep blue, the cultivar flowers profusely, has a uniform growth habit, and lush medium green leaves.
    Type: Grant
    Filed: September 9, 1981
    Date of Patent: April 5, 1983
    Inventor: Reinhold Holtkamp
  • African violet plant
    Patent number: PP5021
    Abstract: An African violet plant known by the cultivar name Improved Maine and characterized by its profuse blooming habit, with 10 or more flower stems carrying up to 9-12 or more flowers per stem, each of which is basically white, but tipped with blue. Improved Maine blooms essentially continuously, as is further characterized by its compact, uniform and vigorous growth habit. An attractive saleable plant is provided within 8-9 weeks after potting.
    Type: Grant
    Filed: September 9, 1981
    Date of Patent: April 5, 1983
    Inventor: Reinhold Holtkamp
  • African violet plant
    Patent number: PP5022
    Abstract: A new cultivar of African violet known by the cultivar name Wyoming characterized by its strong and sturdy flower stems which are tilted slightly sidewards forming a loose flower head, with the blossoms being blue-violet in color, and the center of the blossoms being relatively darker, velvety and shiny. The plant is uniform in growth and has a profuse corolla of essentially continuously blooming flowers which are non-dropping and long-lasting.
    Type: Grant
    Filed: September 9, 1981
    Date of Patent: April 5, 1983
    Inventor: Reinhold Holtkamp
  • African violet plant
    Patent number: PP5023
    Abstract: A new cultivar of African violet known by the cultivar name Chicago, a sport of Nashville, disclosed in U.S. Plant Pat. No. 4,533. Chicago is characterized by its very compact growth habit, its girl-type leaves which are medium green with bright centers, with serrated edges, and by its basically white flowers which have purple centers and frequent purple stripes, with wavy or frilled edges, with the blossoms being single to semi-double and occasionally double in form.
    Type: Grant
    Filed: September 9, 1981
    Date of Patent: April 5, 1983
    Inventor: Reinhold Holtkamp
  • African violet plant
    Patent number: PP5024
    Abstract: A new cultivar of African violet referred to by the cultivar name Crater Lake having semi-double to double blossoms with up to ten petals per blossom, purple-blue in color. The plant is a vigorous grower, producing 7-11 strong, sturdy, tilted flower stems each of which carries 11 or more flowers. The variety is further characterized by its shiny and slightly hairy leaves and by its dark brown flower stems and peduncles.
    Type: Grant
    Filed: September 9, 1981
    Date of Patent: April 5, 1983
    Inventor: Reinhold Holtkamp
  • African violet plant
    Patent number: PP5025
    Abstract: A new cultivar of African violet known by the cultivar name Margit having numerous relatively small leaves and a profuse flowering corolla. Violet blossoms are carried on very upright and strong flower stems, the center of each blossom being relatively darker, velvety and shiny. The variety has a uniform growth habit, and provides an attractive saleable plant within 7-9 weeks after potting, with flowering being essentially continuous.
    Type: Grant
    Filed: September 9, 1981
    Date of Patent: April 5, 1983
    Inventor: Reinhold Holtkamp
  • African violet plant
    Patent number: PP5129
    Abstract: A new cultivar of African violet known by the cultivar name Nebraska and having attractive semi-double to double orchid purple blossoms with partly white edges, with the edges being heavily frilled. There are 7-9 slightly tilted flower stems, each of which carries eleven or more flowers, thereby presenting a relatively loose flower head. The petals are long lasting and non-dropping.
    Type: Grant
    Filed: September 9, 1981
    Date of Patent: November 1, 1983
    Assignee: Gessellschaftsvertrag uber die Erfindergemeinschaft "OPTIMARA"
    Inventor: Reinhold Holtkamp
  • African violet plant
    Patent number: PP5170
    Abstract: An African violet named Rhode Island having intensive pink flower color, with a somewhat deeper pink tone in the center, and frilled edges. The variety is profuse in bloom, with up to 15 flower stems each carrying up to 12 or more flowers per stem. The growth is uniform, the leaves dark green and shiny, and the flowers long lasting and non-dropping. The plant is saleable within 8 weeks after potting.
    Type: Grant
    Filed: September 9, 1981
    Date of Patent: January 3, 1984
    Assignee: Gessellschaftsvertrag uber die Erfindergemeinschaft "OPTIMARA"
    Inventor: Reinhold Holtkamp
  • African violet plant named Improved Evelyn
    Patent number: PP5252
    Abstract: An African violet named Improved Evelyn characterized by its vigorous growth habit; upright flower stems which are generally centrally positioned; large deep violet blue single flowers; floriferous flowering habit with 7-10 flowers being produced per stem, and by its medium green leaves which provide a good contrast to the deep violet color.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: July 3, 1984
    Assignee: Gessellschaftsvertrag uber die Erfindergemeinschaft "Optimara"
    Inventor: Reinhold Holtkamp
  • African violet plant
    Patent number: PP5383
    Abstract: An African violet named Improved New Jersey characterized by its uniform and vigorous growth habit; strong upright flower stems each of which carries 7-10 large single pink frilled flowers; intensive flower color which does not fade under high temperature conditions; profuse flowering, with the flowers being long lasting and non-dropping, and by its medium green leaves.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: January 1, 1985
    Assignee: Gessellschaftsvertrag uber die Erfindergemeinshaft "Optimara"
    Inventor: Reinhold Holtkamp
  • African violet plant named Monique
    Patent number: PP5417
    Abstract: An African violet plant named Monique having very early and profuse flowering, upright flower stems each carrying 7-10 or more lilac colored flowers, flexible peduncle, and green, attractive leaves.
    Type: Grant
    Filed: March 22, 1983
    Date of Patent: March 12, 1985
    Assignee: Gessellschaftsvertrag uber die Erfindergemeinschaft "Optimara"
    Inventor: Reinhold Holtkamp
  • African violet plant named Cleveland
    Patent number: PP5489
    Abstract: An African violet plant named Cleveland characterized by its intensive purple-red flower color which is resistant to fading under high temperatures, its girl type leaves, which are medium to dark green and shiny, with bright green leaf centers, strong and upright flower stems, and by its vigorous yet compact growth habit.
    Type: Grant
    Filed: September 23, 1983
    Date of Patent: June 11, 1985
    Assignee: Gessellschaftsvertrag uber die Erfindergemeinschaft "Optimara"
    Inventor: Reinhold Holtkamp