Patents by Inventor Calvin Francis English

Calvin Francis English 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).

  • Compact mobile roll tilter
    Patent number: 9937542
    Abstract: The roll tilter supports a palleted roll of sheet or thin plate material and re-positions the roll for mounting to an unrolling fixture. The roll tilter received the roll resting on a pallet in a vertical centerline position and rotates the palleted roll from the vertical position to a position with the roll centerline in a horizontal position to facilitate mounting the roll on an unrolling fixture.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: April 10, 2018
    Inventor: Calvin Francis English
  • Compact Mobile Roll Tilter
    Publication number: 20160130088
    Abstract: The roll filler supports a palleted roll of sheet or thin plate material and re-positions the roll for mounting to an unrolling fixture. The roll tilter received the roll resting on a pallet in a vertical centerline position and rotates the palleted roll from the vertical position to a position with the roll center line in a horizontal position to facilitate mounting the roll on an unrolling fixture.
    Type: Application
    Filed: November 9, 2015
    Publication date: May 12, 2016
    Inventor: Calvin Francis English