Patents by Inventor Harold M. Pellett

Harold M. Pellett 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).

  • Physocarpus plant named ‘Center Glow’
    Patent number: PP16894
    Abstract: A new cultivar of Physocarpus, Physocarpus opulifolius ‘Center Glow’, characterized by its upright, mounded habit, and its unique foliage with leaves that emerge bright purple red with bright gold and develop to a bright but slightly darker purple red.
    Type: Grant
    Filed: May 17, 2005
    Date of Patent: July 25, 2006
    Inventor: Harold M. Pellett
  • Clematis plant named ‘Center Star’
    Patent number: PP17010
    Abstract: A new cultivar of hybrid Clematis, ‘Center Star’, characterized by its free-flowering, sterile upward facing blue flowers with showy white centers produced on plants with an upright to decumbent, non-vining habit that exhibit cold hardiness to USDA Zone 3.
    Type: Grant
    Filed: May 17, 2005
    Date of Patent: August 15, 2006
    Inventor: Harold M. Pellett
  • Red maple tree
    Patent number: PP5053
    Abstract: A red maple tree which exhibits a rapid, vigorous, and well-branched growth and well-rounded oval crown, which is seedless, has early autumn maturity and excellent winter hardiness in northern climates, and fall color better than average for the species.
    Type: Grant
    Filed: June 22, 1981
    Date of Patent: May 17, 1983
    Assignee: University of Minnesota
    Inventors: Harold M. Pellett, Leon C. Snyder
  • Diervilla plant named ‘LPDC Podaras’
    Patent number: PP19391
    Abstract: A new cultivar of Diervilla sessilifolia, ‘LPDC Podaras’, characterized by its variegated leaves with deep green centers surrounded by yellow to creamy white margins, its red stems, its cymes of yellow honeysuckle-like flowers in early summer, its hardiness to U.S.D.A Zone 4, its ease of propagation by softwood cuttings and its vigorous growth rate.
    Type: Grant
    Filed: August 27, 2007
    Date of Patent: October 28, 2008
    Assignee: Landscape Plant Development Center
    Inventors: Peter Podaras, Harold M. Pellett
  • Red maple tree named Autumn Spire
    Patent number: PP7803
    Abstract: A red maple tree which exhibits an upright broad-columnar form, early autumn maturity, good winter hardiness, excellent red autumn leaf color, and seedlessness.
    Type: Grant
    Filed: May 22, 1990
    Date of Patent: February 25, 1992
    Assignee: Regents of the University of Minn.
    Inventor: Harold M. Pellett
  • plant named ‘UMNHarpell’
    Patent number: PP30792
    Abstract: A new cultivar of Physocarpus plant, ‘UMNHarpell’, that is characterized by its new foliage that is red-purple in color and matures to deep purple with the deep purple color retained into the interior of the plant, its compact plant habit, its slow to moderate growth rate, and its good resistance to powdery mildew.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: August 13, 2019
    Assignee: Regents of the University of Minnesota
    Inventor: Harold M. Pellett