Patents by Inventor Russell P. Grabowski

Russell P. Grabowski 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).

  • Load indicating tube and method
    Patent number: 10416033
    Abstract: A hollow cylindrical tube having an outer surface coated with one or more inks is provided, each ink encapsulated in capsules that rupture under one or more specific loading conditions to display a visually perceptible color. The tube may be used to determine the load capabilities of the tube, to optimize the tube construction and to determine load magnitudes of windable materials and/or the winding process.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: September 17, 2019
    Assignee: Sonoco Development, Inc.
    Inventor: Russell P. Grabowski
  • Load Indicating Tube and Method
    Publication number: 20180245995
    Abstract: A hollow cylindrical tube having an outer surface coated with one or more inks is provided, each ink encapsulated in capsules that rupture under one or more specific loading conditions to display a visually perceptible color. The tube may be used to determine the load capabilities of the tube, to optimize the tube construction and to determine load magnitudes of windable materials and/or the winding process.
    Type: Application
    Filed: February 27, 2018
    Publication date: August 30, 2018
    Applicant: Sonoco Development, Inc.
    Inventor: Russell P. Grabowski