Patents by Inventor John Robert Ewolski

John Robert Ewolski 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).

  • Method of removing material from a surface of a metal work piece
    Patent number: 8414707
    Abstract: A method of removing material such as surface treatments, metal coatings, and other material layers from an edge region of a metal work piece where they could potentially contaminate a nearby weld. According to one embodiment, a scraper tool includes a body having a base portion and a tab portion, and several scraping elements attached to the base portion. During operation, the scraping elements scrape one or more surfaces of the edge region so that the depth to which the scraping element engage the metal work piece is generally affected by the amount of rotation of the scraper tool about a pivot axis.
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: April 9, 2013
    Assignee: Shiloh Industries, Inc.
    Inventors: Hari Prasad, Mark A. Schimming, James F. Keys, John Robert Ewolski, Stephen A. Fetsko
  • METHOD OF REMOVING MATERIAL FROM A SURFACE OF A METAL WORK PIECE
    Publication number: 20110226281
    Abstract: A method of removing material such as surface treatments, metal coatings, and other material layers from an edge region of a metal work piece where they could potentially contaminate a nearby weld. According to one embodiment, a scraper tool includes a body having a base portion and a tab portion, and several scraping elements attached to the base portion. During operation, the scraping elements scrape one or more surfaces of the edge region so that the depth to which the scraping element engage the metal work piece is generally affected by the amount of rotation of the scraper tool about a pivot axis.
    Type: Application
    Filed: May 27, 2011
    Publication date: September 22, 2011
    Applicant: SHILOH INDUSTRIES, INC.
    Inventors: Hari Prasad, Mark A. Schimming, James F. Keys, John Robert Ewolski, Stephen Fetsko
  • Scraper tool for removing material from a surface of a metal work piece
    Patent number: 7971303
    Abstract: A scraper tool for removing material such as surface treatments, metal coatings, and other material layers from an edge region of a metal work piece where they could potentially contaminate a nearby weld. According to one embodiment, the scraper tool includes a body having a base portion and a tab portion, and several scraping elements attached to the base portion. During operation, the scraping elements scrape one or more surfaces of the edge region so that the depth to which the scraping element engage the metal work piece is generally affected by the amount of rotation of the scraper tool about a pivot axis.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: July 5, 2011
    Assignee: Shiloh Industries, Inc.
    Inventors: Hari Prasad, Mark A. Schimming, James F. Keys, John Robert Ewolski, Stephen A. Fetsko
  • Scraper tool for removing material from a surface of a metal work piece
    Publication number: 20080092312
    Abstract: A scraper tool for removing material such as surface treatments, metal coatings, and other material layers from an edge region of a metal work piece where they could potentially contaminate a nearby weld. According to one embodiment, the scraper tool includes a body having a base portion and a tab portion, and several scraping elements attached to the base portion. During operation, the scraping elements scrape one or more surfaces of the edge region so that the depth to which the scraping element engage the metal work piece is generally affected by the amount of rotation of the scraper tool about a pivot axis.
    Type: Application
    Filed: October 19, 2007
    Publication date: April 24, 2008
    Applicant: Shiloh Industries, Inc.
    Inventors: Hari Prasad, Mark A. Schimming, James F. Keys, John Robert Ewolski, Stephen A. Fetsko