Patents by Inventor William Ray Allen

William Ray 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).

  • Methods of delivering an oral care active by administering oral care articles comprising a filament
    Patent number: 11964059
    Abstract: A method of delivering a health care active having the steps of administering to a mammal in need of a health benefit or a treatment for a health condition a personal health care article and consuming the article. The article contains one or more filaments that contain a backbone material, a health care active and optionally aesthetic agents, extensional aids, plasticizers, and crosslinking agents.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: April 23, 2024
    Assignee: The Procter & Gamble Company
    Inventors: Trevor John Darcy, Steven Ray Gilbert, Gregory Charles Gordon, Rajeev Chhabra, William Maxwell Allen
  • Method and apparatus for vein location
    Patent number: 5647850
    Abstract: The invention described herein is a method and apparatus for vein location. The apparatus includes a vein locating device composed an inflatable bladder attached between two covers and including a holding straps for attaching the device to a limb of a human patient. The method described herein sets for the steps of placing the apparatus on the limb of a human patient and inflating the device so as to constrict veins in a desired area so as to permit the location of a particular vein or veins.
    Type: Grant
    Filed: March 15, 1995
    Date of Patent: July 15, 1997
    Inventor: William Ray Allen