Patents by Inventor Mohammed ASHFAQ

Mohammed ASHFAQ 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).

  • Animal skin substrate treatment method and apparatus
    Patent number: 10590499
    Abstract: A method of treating an animal skin substrate comprising: agitating the animal skin substrate with a solid particulate material and a treatment liquor; separating the animal skin substrate from effluent comprising the solid particulate material, the treatment liquor and solid waste fragments derived from said substrate; transferring the effluent to a first separator, wherein the first separator is configured to allow the treatment liquor and at least a portion of the solid waste fragments to pass through the first separator but to prevent the solid particulate material from passing through the first separator, and providing a first filtrate stream comprising treatment liquor and solid waste fragments and a first residue comprising solid particulate material and residual solid waste fragments treating said first residue to remove said residual solid waste fragments to provide cleaned solid particulate material, wherein said treating of said first residue comprises retaining said solid particulate material on a
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: March 17, 2020
    Assignee: Xeros Limited
    Inventors: Mohammed Ashfaq, Anthony Stewart, Michael David Sawford
  • ANIMAL SKIN SUBSTRATE TREATMENT METHOD AND APPARATUS
    Publication number: 20190144959
    Abstract: A method of treating an animal skin substrate comprising: agitating the animal skin substrate with a solid particulate material and a treatment liquor; separating the animal skin substrate from effluent comprising the solid particulate material, the treatment liquor and solid waste fragments derived from said substrate; transferring the effluent to a first separator, wherein the first separator is configured to allow the treatment liquor and at least a portion of the solid waste fragments to pass through the first separator but to prevent the solid particulate material from passing through the first separator, and providing a first filtrate stream comprising treatment liquor and solid waste fragments and a first residue comprising solid particulate material and residual solid waste fragments treating said first residue to remove said residual solid waste fragments to provide cleaned solid particulate material, wherein said treating of said first residue comprises retaining said solid particulate material on a
    Type: Application
    Filed: April 13, 2017
    Publication date: May 16, 2019
    Inventors: Mohammed ASHFAQ, Anthony STEWART, Michael David SAWFORD