Patents by Inventor Gretchen A. Zwetzig

Gretchen A. Zwetzig 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: 20160029534
    Abstract: A new and distinct cultivar of winter hardy Hibiscus plant named ‘Crème Bruler’ is the result of a unique hybridization. This new and distinct cultivar is characterized primarily as to its novelty by its extreme cold hardiness to Zone 4, medium thick-textured, luminescent butter yellow flowers and its “Maple-shaped” foliage with a black-purple coloration, compactness of approximately 2½-3 feet, its vigorous and uniform breaking habit and its floriferous nature from midsummer until frost.
    Type: Application
    Filed: July 23, 2014
    Publication date: January 28, 2016
    Inventor: Gretchen Zwetzig
  • Publication number: 20120222177
    Abstract: A new and distinct cultivar of winter hardy Hibiscus plant named ‘Small Wonder’ is the result of a unique hybridization. This new and distinct cultivar is characterized primarily as to its novelty by its extreme cold hardiness to Zone 4, medium thick-textured, heavily streaked and speckled, red, white and pink flowers and its “Maple-shaped” foliage with a black-purple coloration, compactness of approximately 2 ½ feet, its vigorous and uniform breaking habit and its floriferous nature from midsummer until frost.
    Type: Application
    Filed: February 24, 2011
    Publication date: August 30, 2012
    Inventor: Gretchen Zwetzig
  • Publication number: 20120222176
    Abstract: A new and distinct cultivar of winter hardy Hibiscus plant named ‘Copper Queen’ is the result of a unique hybridization. This new and distinct cultivar is characterized primarily as to its novelty by its extreme cold hardiness to Zone 4, its large thick-textured and heavily streaked flowers of red, pink and white and its ovate to “Maple-shaped” foliage with its reddish-purple coloration, compactness of approximately 2 ½ feet, its vigorous and uniform breaking habit and its floriferous nature from midsummer until frost.
    Type: Application
    Filed: February 24, 2011
    Publication date: August 30, 2012
    Inventor: Gretchen Zwetzig
  • Publication number: 20120222181
    Abstract: A New and distinct cultivar of winter hardy Hibiscus plant named ‘New Old Yella’ is the result of a unique hybridization. This new and distinct cultivar is characterized primarily as to its novelty by its extreme cold hardiness to Zone 4, its large thick-textured, light yellow flowers and its “Maple-shaped” leaves with a green coloration, Compactness of about 3 feet, its vigorous and uniform growth habit and its floriferous nature from midsummer until frost.
    Type: Application
    Filed: February 24, 2011
    Publication date: August 30, 2012
    Inventor: Gretchen Zwetzig
  • Publication number: 20120222178
    Abstract: A new and distinct cultivar of winter hardy Hibiscus plant named ‘Kui Nuku’ is the result of a unique hybridization. This new and distinct cultivar is characterized primarily as to its novelty by its extreme cold hardiness to Zone 4, large thick-textured, magenta-pink flowers and its “Maple-shaped” leaves with a purple coloration, compactness of about 3 feet, its vigorous and uniform growth habit and its floriferous nature from midsummer until frost.
    Type: Application
    Filed: February 24, 2011
    Publication date: August 30, 2012
    Inventor: Gretchen Zwetzig
  • Publication number: 20120222175
    Abstract: A new and distinct cultivar of winter hardy Hibiscus plant named ‘Satellite’ is the result of a unique hybridization. This new and distinct cultivar is characterized primarily as to its novelty by its extreme cold hardiness to Zone 4, medium to large, thick-textured, reddish to mauve colored flowers and its shiny, petite ‘maple-shaped’ leaves with a purple coloration, compactness of about 2 feet, its vigorous and uniform growth habit and its floriferous nature from midsummer until frost.
    Type: Application
    Filed: February 25, 2011
    Publication date: August 30, 2012
    Inventor: Gretchen Zwetzig
  • Publication number: 20120222180
    Abstract: A new and distinct cultivar of winter hardy hibiscus plant named ‘Little Prince’ is the result of a unique hybridization. This new and distinct cultivar is characterized primarily as to its novelty by its extreme cold hardiness to Zone 4, large tri-colored, purple-red-pink, thick textured flowers and its “Maple-shaped” foliage with a purple coloration, compactness of approximately 2½ feet, its vigorous and uniform breaking habit and its floriferous nature from midsummer until frost.
    Type: Application
    Filed: February 24, 2011
    Publication date: August 30, 2012
    Inventor: Gretchen Zwetzig
  • Publication number: 20120222179
    Abstract: A new and distinct cultivar of winter hardy Hibiscus plant named ‘Snowflame’ is the result of a unique hybridization. This new and distinct cultivar is characterized primarily as to its novelty by its extreme cold hardiness to Zone 4, its large thick-textured, light red flowers with white reverse and its “Maple-shaped” leaves with a red-dish-green coloration, compactness of about 3 feet, its vigorous and uniform growth habit and its floriferous nature from midsummer until frost.
    Type: Application
    Filed: February 24, 2011
    Publication date: August 30, 2012
    Inventor: Gretchen Zwetzig
  • Patent number: PP16669
    Abstract: A new and distinct cultivar of winter hardy hibiscus plant named ‘Cherub’ is the result of a unique hybridization. This new and distinct cultivar is characterized primarily as to novelty by its tropical aspects, its extreme cold hardiness to Zone 4, its medium-sized, thick-textured, tubular pink flowers with recurved petal edges and its shiny Maple-like green leaves and unusual pyramidal compactness of about 3 feet, its vigorous and uniform growth habit, and its floriferous nature from midsummer until frost, and its genetic achievement as a cross between a tropical and hardy Hibiscus.
    Type: Grant
    Filed: July 30, 2002
    Date of Patent: June 20, 2006
    Inventors: Gretchen Zwetzig, David Whitman Fleming
  • Patent number: PP14353
    Abstract: A new and distinct cultivar of dwarf winter hardy Lagerstroemia plant named ‘Red Filli’ is the result of a unique hybridization. This new and distinct cultivar is characterized primarily as to novelty by its extreme cold hardiness to Zone 4, its numerous sturdy bright red blooms, its compact spreading performance with heavy branching, its vigorous and uniform growth habit, and its floriferous nature form midsummer until frost.
    Type: Grant
    Filed: September 10, 2001
    Date of Patent: December 9, 2003
    Inventors: Gretchen Zwetzig, David Whitman Fleming
  • Patent number: PP14776
    Abstract: A new and distinct cultivar of winter hardy hibiscus plant named ‘Robert Fleming’ is the result of a unique hybridization. This new and distinct cultivar is characterized primarily as to novelty by its extreme cold hardiness to Zone 4, its ovate “Hydrangea-like” green leaves, its rich, large, dark red flowers that are very overlapping and ruffled, its short stature and compactness with vigorous growth potential, total refinement, and its floriferous nature from midsummer until frost.
    Type: Grant
    Filed: September 10, 2001
    Date of Patent: May 11, 2004
    Inventors: David W. Fleming, Gretchen A. Zwetzig
  • Patent number: PP21542
    Abstract: A new and distinct cultivar of winter hardy hibiscus plant named “Strawberry Swirl” is the result of a unique hybridization. This new and distinct cultivar is characterized primarily to its novelty by, its extreme cold hardiness to Zone 4, large, pinwheel-shaped, pink and white flowers and its “maple-shaped” green foliage, compactness of about 3 feet, its vigorous and uniform breaking habit and its floriferous nature from midsummer until frost.
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: November 30, 2010
    Inventors: Gretchen Angela Zwetzig, David Whitman Fleming, Gretchen Zwetzig, legal representative
  • Patent number: PP23466
    Abstract: A new and distinct cultivar of winter hardy hibiscus plant named ‘Little Prince’ is the result of a unique hybridization. This new and distinct cultivar is characterized primarily as to its novelty by its extreme cold hardiness to Zone 4, large tri-colored, purple-red-pink, thick textured flowers and its “Maple-shaped” foliage with a purple coloration, compactness of approximately 2½ feet, its vigorous and uniform breaking habit and its floriferous nature from midsummer until frost.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: March 12, 2013
    Inventor: Gretchen Zwetzig
  • Patent number: PP23690
    Abstract: A new and distinct cultivar of winter hardy Hibiscus plant named ‘Kui Nuku’ is the result of a unique hybridization. This new and distinct cultivar is characterized primarily as to its novelty by its extreme cold hardiness to Zone 4, large thick-textured, magenta-pink flowers and its “Maple-shaped” leaves with a purple coloration, compactness of about 3 feet, its vigorous and uniform growth habit and its floriferous nature from midsummer until frost.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: June 25, 2013
    Inventor: Gretchen Zwetzig
  • Patent number: PP23698
    Abstract: A New and distinct cultivar of winter hardy Hibiscus plant named ‘New Old Yella’ is the result of a unique hybridization. This new and distinct cultivar is characterized primarily as to its novelty by its extreme cold hardi ness to Zone 4, its large thick-textured, light yellow flowers and its “Maple-shaped” leaves with a green coloration, Compactness of about 3 feet, its vigorous and uniform growth habit and its floriferous nature from midsummer until frost.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: July 2, 2013
    Inventor: Gretchen Zwetzig
  • Patent number: PP23759
    Abstract: A new and distinct cultivar of winter hardy Hibiscus plant named ‘Satellite’ is the result of a unique hybridization. This new and distinct cultivar is characterized primarily as to its novelty by its extreme cold hardiness to Zone 4, medium to large, thick-textured, reddish to mauve colored flowers and its shiny, petite ‘maple-shaped’ leaves with a purple cast, compactness of about 2 feet, its vigorous and uniform growth habit and its floriferous nature from midsummer until frost.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: July 23, 2013
    Inventor: Gretchen Zwetzig
  • Patent number: PP23941
    Abstract: A new and distinct cultivar of winter hardy Hibiscus plant named ‘Copper Queen’ is the result of a unique hybridization. This new and distinct cultivar is characterized primarily as to its novelty by its extreme cold hardiness to Zone 4, its large thick-textured and heavily streaked flowers of red, pink and white and its ovate to “Maple-shaped” foliage with its reddish-purple coloration, compactness of approximately 2½ feet, its vigorous and uniform breaking habit and its floriferous nature from midsummer until frost.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: October 1, 2013
    Inventor: Gretchen Zwetzig
  • Patent number: PP24022
    Abstract: A new and distinct cultivar of winter hardy Hibiscus plant named ‘Small Wonders’ is the result of a unique hybridization. This new and distinct cultivar is characterized primarily as to its novelty by its extreme cold hardiness to Zone 4, medium thick-textured, heavily streaked and speckled, red, white and pink flowers and its “Maple-shaped” foliage with a black-purple coloration, compactness of approximately 2½ feet, its vigorous and uniform breaking habit and its floriferous nature from midsummer until frost.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: November 12, 2013
    Assignee: Gretchen Zwetzig-Fleming's Flower Fields, Inc.
    Inventor: Gretchen Zwetzig
  • Patent number: PP25076
    Abstract: A new and distinct cultivar of winter hardy Hibiscus plant named ‘Snowflame’ is the result of a unique hybridization. This new and distinct cultivar is characterized primarily as to its novelty by its extreme cold hardiness to Zone 4, its large thick-textured, light red flowers with white reverse and its “Maple-shaped” leaves with a red-dish-green coloration, compactness of about 3 feet, its vigorous and uniform growth habit and its floriferous nature from midsummer until frost.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: November 18, 2014
    Assignee: Gretchen Zwetzig/Flemings Flower Fields
    Inventor: Gretchen Zwetzig
  • Patent number: PP27556
    Abstract: A new and distinct cultivar of winter hardy Hibiscus plant named ‘Crème Brulee’ is the result of a unique hybridization. This new and distinct cultivar is characterized primarily as to its novelty by its extreme cold hardiness to Zone 4, medium thick-textured, luminescent butter yellow flowers and its “Maple-shaped” foliage with a dark-purple coloration, compactness of approximately 2½-3 feet, its vigorous and uniform breaking habit and its floriferous nature from midsummer until frost.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: January 17, 2017
    Inventor: Gretchen Zwetzig