Patents by Inventor Richard L. Allen

Richard L. Allen 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).

  • Injection molding
    Patent number: 7455518
    Abstract: A method and apparatus for injection molding an article including a radially extending child resistant feature. Finish block halves are provided that include a pocket and that are closable together to form a neck-finish mold cavity. Mold body halves are provided that include a core portion and that are closable together to form a body mold cavity. The core portion is advanceable toward the pocket to cooperate therewith to define a cavity for forming the child resistant feature. The core portion may be integrally formed into one or more of the mold body halves, or may be separately mounted and relatively movable with respect thereto.
    Type: Grant
    Filed: February 16, 2007
    Date of Patent: November 25, 2008
    Assignee: Rexam Prescription Products Inc.
    Inventors: Albert R. Anctil, Richard L. Allen, Tasadduq Hussain
  • Method of injection molding a preform including a radially extending element
    Patent number: 7214341
    Abstract: A method and apparatus for injection molding an article including a radially extending child resistant feature. Finish block halves are provided that include a pocket and that are closable together to form a neck-finish mold cavity. Mold body halves are provided that include a core portion and that are closable together to form a body mold cavity. The core portion is advanceable toward the pocket to cooperate therewith to define a cavity for forming the child resistant feature. The core portion may be integrally formed into one or more of the mold body halves, or may be separately mounted and relatively movable with respect thereto.
    Type: Grant
    Filed: January 30, 2004
    Date of Patent: May 8, 2007
    Assignee: Owens-Illinois Prescription Products Inc.
    Inventors: Albert R. Anctil, Richard L. Allen, Tasadduq Hussain
  • Apparatus for aerobic fermentation
    Patent number: 4019962
    Abstract: Improved apparatus for the continuous aseptic growth of single-cell protein materials, employing an aqueous ethanolic substrate fortified with nutrient elements, preferably under oxygen limited conditions. The fermentation is conducted under conditions which afford effective means of attaining high rates of oxygen transfer and heat removal coupled with intense agitation.
    Type: Grant
    Filed: August 11, 1975
    Date of Patent: April 26, 1977
    Assignee: Standard Oil Company (Indiana)
    Inventors: Richard L. Allen, Benny M. Benjamin, Terry A. Lappin, John A. Ridgway, Jr., Elmer J. Saunders