Patents by Inventor William E. Duffett

William E. Duffett 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).

  • Patent number: PP6050
    Abstract: A Chrysanthemum plant named Kardo particularly characterized as to uniqueness by the combined characteristics of flat capitulum form; daisy capitulum type; yellow-orange ray floret color; diameter across face of capitulum of up to 11 cm at maturity; uniform nine week photoperiodic flowering response to short days; tall plant height when grown single stem; 18 to 33 cm peduncles on open, normally terminal sprays; slow development of green discs and 13.degree. C. minimum temperature tolerance for initiation and development of flowering buds with a 12 to 13 hour continuous dark period.
    Type: Grant
    Filed: October 10, 1985
    Date of Patent: December 1, 1987
    Assignee: Yoder Brothers, Inc.
    Inventor: William E. Duffett
  • Patent number: PP6051
    Abstract: A Chrysanthemum plant named Calvex particularly characterized as to uniqueness by the combined characteristics of flat capitulum form; decorative capitulum type; greyed-orange ray floret color; diameter across face of capitulum of up to 9 cm at maturity; uniform nine to ten week photoperiodic flowering response to short days; tall plant height when grown single stem; 20 to 25 cm peduncles on open, normally terminal sprays; and 13.degree. C. minimum temperature tolerance for initiation and development of flowering buds with a 12 to 13 hour continuous dark period.
    Type: Grant
    Filed: October 10, 1985
    Date of Patent: December 1, 1987
    Assignee: Yoder Brothers, Inc.
    Inventor: William E. Duffett
  • Patent number: PP6052
    Abstract: A Chrysanthemum plant named Zilcon, particularly characterized as to uniqueness by the combined characteristics of flat capitulum form; decorative capitulum type; very light red-purple ray floret color; diameter across face of capitulum ranging from 6 to 8 cm. at maturity; uniform nine week photoperiodic flowering response to short days; tall plant height when grown single stem; 25 to 30 cm. peduncles on open, normally terminal sprays; and 13.degree. C. minimum temperature tolerance for initiation and development of flowering buds.
    Type: Grant
    Filed: October 10, 1985
    Date of Patent: December 1, 1987
    Assignee: Yoder Brothers, Inc.
    Inventor: William E. Duffett
  • Patent number: PP6058
    Abstract: A Chrysanthemum plant named Solo particularly characterized as to uniqueness by the combined characteristics of flat capitulum form; daisy capitulum type; white ray floret color; diameter across face of capitulum ranging from 5 to 6 cm. at maturity; uniform seven week photoperiodic flowering response to short days; medium plant height when grown as a pinched spray pot mum; spreading branching pattern; tolerance of both low winter 12.degree. C. to 14.degree. C. and high summer 23.degree. C. to 38.degree. C. temperatures for bud initiation and flower development; and golden yellow, pollen-producing disc florets.
    Type: Grant
    Filed: October 10, 1985
    Date of Patent: December 8, 1987
    Assignee: Yoder Brothers, Inc.
    Inventor: William E. Duffett
  • Patent number: PP6059
    Abstract: A Chrysanthemum plant named Adorn having flat capitulum form; daisy capitulum type; purple ray floret color; diameter across face of capitulum up to 8 cm.; short plant height; semi-spreading branching pattern; average natural season flowering date of September 10 in the West Coast area; average flowering response period of seven weeks in photoperiodic controlled short day programs; and durable, uniform performance in Spring small pot flowering programs.
    Type: Grant
    Filed: August 20, 1985
    Date of Patent: December 8, 1987
    Assignee: Grace H. Mack
    Inventors: William E. Duffett, Cornelis P. VandenBerg, Grace H. Mack
  • Patent number: PP6061
    Abstract: A carnation plant named Ace High which is an X-radiation induced color mutation from the commercial cultivar Ace, disclosed in U.S. Plant Pat. No. 4,667. The singular distinguishing trait of Ace High is the extent, distribution and intensity of the color pattern comprised of variegated light orange and scarlet red.
    Type: Grant
    Filed: October 30, 1985
    Date of Patent: December 15, 1987
    Assignee: Yoder Brothers, Inc.
    Inventor: William E. Duffett
  • Patent number: PP6124
    Abstract: A Chrysanthemum plant named Omegon particularly characterized by its incurved capitulum form; standard capitulum type; white ray floret color; diameter across face of capitulum of 125 to 150 mm. at maturity; uniform nine week photoperiodic flowering response to short days; medium plant height when grown single stem; and 13.degree. C. minimum temperature tolerance for initiation and development of flowering buds.
    Type: Grant
    Filed: February 26, 1986
    Date of Patent: March 8, 1988
    Assignee: Yoder Brothers, Inc.
    Inventor: William E. Duffett
  • Patent number: PP6125
    Abstract: A Chrysanthemum plant named Iridon particularly characterized by its flat capitulum form; decorative capitulum type; yellow ray floret color with yellow-green inner ray florets; diameter across face of capitulum of up to 11 cm. at maturity; uniform nine week photoperiodic flowering response to short days; medium plant height when grown as a pinched disbudded pot mum; excellent plant strength under all growing conditions; and semi-spreading branching pattern.
    Type: Grant
    Filed: February 26, 1986
    Date of Patent: March 8, 1988
    Assignee: Yoder Brothers, Inc.
    Inventor: William E. Duffett
  • Patent number: PP6130
    Abstract: A Chrysanthemum plant named Togos particularly characterized by its flat capitulum form; decorative capitulum type; greyed-orange ray floret color; diameter across face of capitulum of up to 8 cm. at maturity; uniform nine week photoperiodic flowering response to short days; tall plant height when grown single stem, and 8 to 13 cm. peduncles on open, terminal sprays.
    Type: Grant
    Filed: February 26, 1986
    Date of Patent: March 15, 1988
    Assignee: Yoder Brothers, Inc.
    Inventor: William E. Duffett
  • Patent number: PP6131
    Abstract: A Chrysanthemum plant named Theme particularly characterized by its flat capitulum form; decorative capitulum type; red ray floret color, with excellent color retention under high light conditions; diameter across face of capitulum of up to 10 cm. at maturity; uniform nine week photoperiodic flowering response to short days; medium plant height when grown as a pinched disbudded pot mum; and spreading branching pattern.
    Type: Grant
    Filed: February 26, 1986
    Date of Patent: March 15, 1988
    Assignee: Yoder Brothers, Inc.
    Inventor: William E. Duffett
  • Patent number: PP6232
    Abstract: A Chrysanthemum plant named Ovaro particularly characterized by its flat capitulum form; anemone capitulum type; yellow ray floret color with a bronze overcast when grown under low light and low temperature conditions; diameter across face of capitulum of up to 12 cm. at maturity when grown as a pinched disbudded pot mum, with diameter of anemone cushion of up to 4 cm.; uniform eight week photoperiodic flowering response to short days; tall plant height when grown as a pinched pot mum; recommended both as disbudded and spray pot mum; and spreading branching pattern.
    Type: Grant
    Filed: February 26, 1986
    Date of Patent: July 26, 1988
    Assignee: Yoder Brothers, Inc.
    Inventor: William E. Duffett
  • Patent number: PP6311
    Abstract: A Chrysanthemum plant named Donos particularly characterized by its flat capitulum form; anemone capitulum type; yellow-orange ray floret color; good color retention under high light conditions; diameter across face of capitulum of up to 7 cm at maturity when grown as a pinched spray pot mum with diameter of anemone cushion of 3 to 3.5 cm; uniform eight week photoperiodic flowering response to short days; medium plant height when grown as a pinched pot mum, and spreading and prolific branching pattern.
    Type: Grant
    Filed: October 17, 1986
    Date of Patent: September 27, 1988
    Assignee: Yoder Brothers, Inc.
    Inventor: William E. Duffett
  • Patent number: PP6388
    Abstract: A chrysanthemum plant named Mirage particularly characterized by its flat capitulum form; pompon capitulum type; orange-bronze ray floret color; diameter across face of capitulum up to 4 cm at maturity; medium plant height with spreading and prolific branching pattern; average natural season flower date of August 21 in Salinas, Calif. and September 15 in Hightstown, N.J.; uniform seven week photoperiodic flowering response to short days in photoperiodic controlled flowering programs; and by its durable, uniform performance in outside fall flowerings and in spring small pot flowering programs.
    Type: Grant
    Filed: January 15, 1987
    Date of Patent: November 8, 1988
    Assignee: Grace H. Mack
    Inventors: Grace H. Mack, William E. Duffett
  • Patent number: PP6399
    Abstract: A Chrysanthemum plant named Vero particularly characterized by its flat capitulum form; daisy capitulum type; white ray floret color; diameter across face of capitulum of up to 8 cm at maturity; uniform nine week photoperiodic flowering response to short days; medium plant height when grown single stem; 15 to 20 cm peduncles on open, terminal sprays; and by its 13 degrees Celsius minimum temperature tolerance for initiation and development of flowering buds with a 12 to 13 hour continuous dark period.
    Type: Grant
    Filed: January 21, 1987
    Date of Patent: November 15, 1988
    Assignee: Yoder Brothers, Inc.
    Inventors: William E. Duffett, Cornelis P. VandenBerg
  • Patent number: PP6499
    Abstract: A Chrysanthemum plant named Dart particularly characterized by its flat capitulum form; spooned daisy capitulum type; red-purple ray floret color; diameter across face of capitulum of up to 12 cm at maturity; uniform nine week photoperiodic flowering response to short days; medium plant height when grown single stem; 15 to 25 cm peduncles on open, normally terminal sprays; and 13 degrees Celsius minimum temperature tolerance for initiation and development of flowering buds with a 12 to 13 hour continuous dark period.
    Type: Grant
    Filed: May 15, 1987
    Date of Patent: December 27, 1988
    Assignee: Yoder Brothers, Inc.
    Inventors: William E. Duffett, Cornelis P. VandenBerg
  • Patent number: PP6613
    Abstract: A Chrysanthemum plant named Boaldi particularly characterized by its flat capitulum form; decorative capitulum type; white ray floret color; diameter across face of capitulum of up to 11 cm at maturity when grown as a pinched disbudded pot mum; uniform eight week photoperiodic flowering response to short days; medium plant height when grown as a pinched pot mum; recommended both as disbudded and spray pot mum; and spreading and prolific branching pattern.
    Type: Grant
    Filed: September 9, 1987
    Date of Patent: February 21, 1989
    Assignee: Yoder Brothers, Inc.
    Inventors: William E. Duffett, Cornelis P. VandenBerg
  • Patent number: PP6615
    Abstract: A Chrysanthemum plant named Raya particularly characterized by its flat capitulum form; spoon daisy capitulum type; white ray floret color; diameter across face of capitulum of up to 13 cm at maturity when grown as a pinched disbudded pot mum; uniform eight week photoperiodic flowering response to short days; medium plant height when grown as a pinched pot mum; excellent tolerance to high and low temperatures; recommended as disbudded pot mum; and semi-spreading branching pattern.
    Type: Grant
    Filed: September 9, 1987
    Date of Patent: February 21, 1989
    Assignee: Yoder Brothers, Inc.
    Inventor: William E. Duffett
  • Patent number: PP6885
    Abstract: A Chrysanthemum plant named Flex particularly characterized by its flat capitulum form; decorative capitulum type; yellow ray floret color; diameter across face of capitulum of up to 9 cm at maturity; uniform nine week photoperiodic flowering response to short days; peduncle length ranging from 17 to 22 cm on open, terminal sprays; and tall plant height when grown as a single stem spray cut mum.
    Type: Grant
    Filed: March 18, 1988
    Date of Patent: June 27, 1989
    Assignee: Yoder Brothers
    Inventor: William E. Duffett
  • Patent number: PP6889
    Abstract: A Chrysanthemum plant named Piranga particularly characterized by its flat capitulum form; decorative capitulum type; red-bronze ray floret color; diameter across face of capitulum of up to 75 mm at maturity; uniform nine week photoperiodic flowering response to short days; peduncle length ranging from 10 to 18 cm on open, terminal sprays; tall plant height when grown as a single stem spray cut mum; and excellent tolerance to low temperatures for bud initiation and flower development.
    Type: Grant
    Filed: May 5, 1988
    Date of Patent: June 27, 1989
    Assignee: Yoder Brothers Inc.
    Inventor: William E. Duffett
  • Patent number: PP6905
    Abstract: A Chrysanthemum plant named Mesmer particularly characterized by its flat capitulum form; decorative capitulum type; orange-bronze ray floret color; diameter across face of capitulum of up to 75 mm at maturity; uniform nine week photoperiodic flowering response to short days; peduncle length ranging from 6 to 15 cm on open, terminal sprays; and medium plant height when grown as a single stem spray cut mum.
    Type: Grant
    Filed: May 5, 1988
    Date of Patent: July 4, 1989
    Assignee: Yoder Brothers, Inc.
    Inventor: William E. Duffett