Patents by Inventor Campbell G. Davidson

Campbell G. Davidson 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: 20020199222
    Abstract: A new and distinct variety of shrub rose plant of relatively small stature is provided which forms in clusters attractive semi-double slightly concave yellow-orange blossoms that display a strong fragrance. The blossoming occurs substantially continuously over a long duration. An open and erect growth habit is exhibited. The foliage is glossy dark green and contrasts nicely with the yellow-orange blossoms. The plant propagates well by the use of softwood cuttings and possesses good winter hardiness. Good disease resistance particularly to blackspot is exhibited. It is particularly well suited for growing as an individual plant or as a mass planting to create ornamentation in the landscape.
    Type: Application
    Filed: April 5, 2001
    Publication date: December 26, 2002
    Inventor: Campbell G. Davidson
  • Patent number: PP11730
    Abstract: A new and distinct variety of shrub rose plant is provided which forms in clusters attractive semi-double somewhat flattened white blossoms. An open and semi-erect growth habit of excellent form is exhibited. The foliage is glossy dark green and contrasts nicely with the white blossoms. The plant propagates well by the use of softwood cuttings and possesses good winter hardiness. Petaloid stamens commonly are present. Excellent disease resistance particularly to blackspot its exhibited. It is particularly well suited for growing as an individual plant or as a mass planting to create ornamentation in the landscape.
    Type: Grant
    Filed: December 22, 1998
    Date of Patent: January 2, 2001
    Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of Agriculture
    Inventors: Lynn M. Collicutt, Campbell G. Davidson
  • Patent number: PP11777
    Abstract: A new and distinct Fraxinus nigra Marsh.×Fraxinus mandshurica Rupr. hybrid ash cultivar is provided which exhibits a vigorous growth habit. An attractive oval to round-shaped tree form with an acute branching character is exhibited. The tree crown is almost as wide as tall when grown in an open setting. Dull green compound leaves are formed. The flowers are perfect, seed production is low, and no production of viable seeds has been observed to date. The tree hardiness is good. The new cultivar is particularly well suited for growing as a shade tree.
    Type: Grant
    Filed: January 20, 1999
    Date of Patent: February 13, 2001
    Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of Agriculture
    Inventors: Campbell G. Davidson, Wilbert G. Ronald
  • Patent number: PP11840
    Abstract: A new and distinct Fraxinus nigra Marsh.×Fraxinus mandshurica Rupr. hybrid ash cultivar is provided which exhibits a vigorous growth habit. An attractive upright tree form with an acute branching character is exhibited. Shiny yellow-green compound leaves are formed. The flowers are perfect, seed production is low, and no production of viable seeds has been observed to date. The tree hardiness is excellent. The new cultivar is particularly well suited for the lining of streets and boulevards.
    Type: Grant
    Filed: January 20, 1999
    Date of Patent: April 24, 2001
    Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of Agriculture
    Inventors: Campbell G. Davidson, Wilbert G. Ronald
  • Patent number: PP16741
    Abstract: A new and distinct Monarda or Bee-Balm cultivar is provided that displays an upright mounded growth habit and frequently assumes a mature height of approximately three to four feet. Attractive bright coral pink blossoms commonly are formed from June through August. The foliage is dark green, contrasts well with the blossom coloration, and displays a strong minty fragrance. Good resistance to Powdery Mildew is displayed. The plant is well suited for growing as attractive ornamentation in the landscape.
    Type: Grant
    Filed: May 13, 2004
    Date of Patent: June 27, 2006
    Assignee: Her Majesty the Queen in right of Canada as represented by the Minister of Agriculture
    Inventor: Campbell G. Davidson
  • Patent number: PP13149
    Abstract: A new and distinct variety of perennial Monarda spp. or Bee-Balm plant is provided that exhibits a dense dwarf stature. The blossoms exhibit an attractive light pink coloration (as illustrated). Dense dark green and glossy foliage is formed that contrasts well with the blossom coloration. The new variety can be distinguished from the ‘Petite Delight’ variety (U.S. Plant Pat. No. 10,784) by its generally smaller blossom size, smaller foliage, and slightly smaller and more compact growth habit. The winter hardiness is good.
    Type: Grant
    Filed: April 10, 2001
    Date of Patent: October 29, 2002
    Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of Agriculture
    Inventors: Lynn M. Collicutt, Campbell G. Davidson
  • Patent number: PP13969
    Abstract: A new and distinct variety of shrub rose plant of relatively small stature is provided which forms in clusters attractive semi-double slightly concave yellow-orange blossoms that display a strong fragrance. The blossoming occurs substantially continuously over a long duration. An open and erect growth habit is exhibited. The foliage is glossy dark green and contrasts nicely with the yellow range blossoms. The plant propagates well by the use of softwood cuttings and possesses good winter hardiness. Good disease resistance particularly to blackspot is exhibited. It is particularly well suited for growing as an individual plant or as a mass planting to create ornamentation in the landscape.
    Type: Grant
    Filed: April 5, 2001
    Date of Patent: July 15, 2003
    Assignee: Her Majesty the Queen in Right of Canada as represented by the Minister of Agriculture
    Inventor: Campbell G. Davidson
  • Patent number: PP19580
    Abstract: A new cultivar of bee balm, Monarda didyma ‘ACrade’, characterized by its purple-violet blossoms that are present abundantly in June through August. The new variety is mid sized in height with a mounded plant habit, is hardy in U.S.D.A. Zones 3 to 8, and exhibits dark green slightly glossy foliage that has shown resistant to powdery mildew.
    Type: Grant
    Filed: April 11, 2007
    Date of Patent: December 16, 2008
    Assignee: Her Majesty The Queen in Right of Canada as represented by the Ministry of Agriculture and Agri-Food
    Inventor: Campbell G. Davidson
  • Patent number: PP19582
    Abstract: A new cultivar of bee balm, Monarda didyma ‘AChall’, that is characterized by its deep red-purple blossoms that are present abundantly in June through August. The new variety is mid sized in height with an upright oval plant habit, is hardy in U.S.D.A. Zones 3 to 8, and exhibits dark green semi-glossy foliage that has shown resistant to powdery mildew.
    Type: Grant
    Filed: January 3, 2007
    Date of Patent: December 16, 2008
    Assignee: Her Majesty The Queen In Right of Canada as represented by the Minister of Agriculture and Agri-Food
    Inventor: Campbell G. Davidson
  • Patent number: PP22136
    Abstract: A new cultivar of Monarda didyma named ‘MCmum’ characterized by its large pink inflorescences that are present abundantly from July to early September, its compact, mounded plant habit, its medium size, its hardiness in U.S.D.A. Zones 3 to 8, and its dark green foliage that has shown resistance to powdery mildew.
    Type: Grant
    Filed: May 26, 2010
    Date of Patent: September 6, 2011
    Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of Agricultural and Agrifoods
    Inventor: Campbell G. Davidson
  • Patent number: PP10784
    Abstract: A new and distinct variety of perennial Monarda or Bee-Balm plant is provided that exhibits a unique dwarf stature and good winter hardiness. The blossoms exhibits an attractive light pink-purple to light purple coloration (as illustrated). Dense dark green and glossy foliage is formed that contrasts well with the blossom coloration. The low-growing growth habit of the new variety can readily be distinguished from that of the `Marshalls Delight` variety (non-patented in the United States).
    Type: Grant
    Filed: May 28, 1997
    Date of Patent: February 9, 1999
    Assignee: Her Majesty the Queen in Right of Canada as represented by the Minister of Agriculture
    Inventors: Lynn M. Collicutt, Campbell G. Davidson
  • Patent number: PP24435
    Abstract: A new cultivar of shrub rose, ‘CA 29’, characterized by its semi-double flowers that open medium yellow in color with pink margins, maturing to medium pink with dark pink margins and fading to a cream color with dark pink margins; creating a multicolored effect, its flower buds that are medium yellow in color with dark pink margins, its continuous blooming habit, its glossy foliage with good resistance to powdery mildew, rust and black spot, and its cold hardiness at least to U.S.D.A. Zone 3a.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: May 13, 2014
    Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of Agriculture and Agri-Food
    Inventors: Campbell G. Davidson, Larry J. Dyck
  • Patent number: PP24436
    Abstract: A new cultivar of shrub rose, ‘CA 33’, characterized by its semi-double flowers that are golden yellow in color with a salmon orange blush, its semi-upright plant form, its repeat blooming habit, its satiny foliage with good tolerance to rust and black spot, and its cold hardiness at least to U.S.D.A. Zone 3a.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: May 13, 2014
    Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of Agriculture and Agri-Food
    Inventors: Campbell G. Davidson, Larry J. Dyck