Patents by Inventor Allan Duff

Allan Duff 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: 20240139982
    Abstract: A razor blade including: a substrate having a tip portion including a tip region, a blade body including a base, and first and second outer sides disposed opposite a split line of the substrate, in which the first and second outer sides converge at a tip, the first outer side comprises a first coating disposed substantially thereon and extending from the tip region toward the base, and a first portion of the second outer side is substantially free of any coating, the first portion extending from the tip region toward the base or being spaced apart from the tip region and the base. Also provided is a method of coating the razor blade.
    Type: Application
    Filed: January 9, 2024
    Publication date: May 2, 2024
    Inventors: Kenneth James Skrobis, William Owen Jolley, John Lawrence Maziarz, Bin Shen, Ronald Richard Duff, JR., Joe David Lussier, Oliver Heinz Claus, Joseph Allan DePuydt
  • Publication number: 20240123642
    Abstract: Razors cartridges including a guard, a cap, and at least two blades with parallel sharpened edges located between the guard and cap are provided. The first blade has a first color and a second blade has a second color, where the first color is different than the second color. The blade color corresponds to an attribute of the blade (e.g., low cut force) that the color is disposed on or an attribute of the razor cartridge (e.g., sensitive skin). The color of the blade corresponds to a target user of the razor cartridge (e.g., male or female). The first blade defines a blade edge near or nearest the guard and a second blade defines a blade edge near or nearest the cap.
    Type: Application
    Filed: December 8, 2023
    Publication date: April 18, 2024
    Inventors: Laura XU, Kenneth James SKROBIS, Neville SONNENBERG, Ronald Richard DUFF, JR., Joseph Allan DEPUYDT
  • Publication number: 20040105944
    Abstract: Thin walled polyethylene containers are suitable for the packaging of foods such as cottage cheese, ricotta cheese and ice cream. The containers have a higher softening point (which permits the containers to be “hot filled”) and high impact strength at low temperature (which is useful when a container of ice cream is dropped).
    Type: Application
    Filed: November 12, 2003
    Publication date: June 3, 2004
    Applicant: NOVA Chemicals (International) S.A.
    Inventors: Mark Weber, Philippa Hocking, Allan Duff, James Arthur Auger