Patents by Inventor Stephen Wilhelm

Stephen Wilhelm 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: PP6493
    Abstract: A primocane bearing cultivar of red raspberry designated "Joe Mello" and as a cross of the unpatented cultivar "Reiter 323" and a Canadian cultivar known as "Chilcotin" is disclosed. The cultivar exhibits minutely spiny primocanes with predominately ternately pinnate leaves, minutely prickled pedicels and bright glossy red berries.
    Type: Grant
    Filed: February 19, 1987
    Date of Patent: December 27, 1988
    Assignee: Sweetbriar Co.
    Inventor: Stephen Wilhelm
  • Patent number: PP8022
    Abstract: The invention concerns a new and distinct variety of hybrid raspberry, the variety being particularly characterized and distinguished its significant primocane production from Aug. 15 to Nov. 30 accounting for one third of the total yield; the floricane production occurs from about May 7 to July 30; the fruit is of medium to large size, firm, and has drupelets of uniform size and color. The torus is short and tapering without prominent spicules. Fruit is of excellent fresh market quality with only a slight tendency to darken after harvest. The new variety holds its distinguishing characteristics through succeeding propagations by planting dormant canes, dormant root cuttings and non-dormant root shoot cuttings.
    Type: Grant
    Filed: June 11, 1991
    Date of Patent: November 3, 1992
    Assignee: Sweetbriar Development Inc.
    Inventor: Stephen Wilhelm
  • Patent number: PP8027
    Abstract: The invention concerns a new and distinct variety of hybrid raspberry, the variety being particularly characterized and distinguished by the early fruiting of both the primocane and floricane crops; the primocanes bearing approximately one half of the total of the combined primocane and floricane crops; the fruit has a bright red color with only a slight tendency to darken or develop a waxy bloom; the drupelets are of substantially uniform size and have only a slight median drupelet groove; the fruit is firm and compact with a ring of tight fitting drupelets at its collar; and even after relatively warm central California coastal winters the floricane budbreak is good. The new variety holds its distinguishing characteristics through succeeding propagations by planting dormant root cuttings, dormant canes and non-dormant root shoot cuttings.
    Type: Grant
    Filed: June 11, 1991
    Date of Patent: November 10, 1992
    Assignee: Sweetbriar Development Inc.
    Inventor: Stephen Wilhelm
  • Patent number: PP9340
    Abstract: A new and distinct variety of red raspberry plant named `Isabel`, which is particularly characterized and distinguished by its consistently large size fruit of excellent flavor and color and its high yielding capacity on both primocane and floricane crops.
    Type: Grant
    Filed: December 7, 1994
    Date of Patent: October 24, 1995
    Assignee: Sweetbriar Development, Inc.
    Inventors: Stephen Wilhelm, Carlos D. Fear
  • Patent number: PP9653
    Abstract: A new and distinct cultivar of red raspberry plant named `Wilhelm`, which is particularly characterized and distinguished by its very attractive fruit and its high yielding capacity on both primocane and floricane crops.
    Type: Grant
    Filed: April 25, 1995
    Date of Patent: October 8, 1996
    Assignee: Sweetbriar Development, Inc.
    Inventors: Stephen Wilhelm, Carlos D. Fear