Patents by Inventor James Ewen

James Ewen 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).

  • High Ductility, Shear-Controlled Rods for Concrete Reinforcement
    Publication number: 20080060298
    Abstract: A re-bar (reinforcing rod) for concrete comprises an inner rod of a first material, and an over-wrap of a second material. The over-wrap may be structurally or functionally discontinuous relative to the inner rod.
    Type: Application
    Filed: October 5, 2004
    Publication date: March 13, 2008
    Applicant: UNIVERSITY OF OTTAWA
    Inventors: Atef Amil Fahmy Fahim, Michael Brian Munro, Kristian Andrew James Ewen
  • Combined shovel and utility device
    Patent number: 4993768
    Abstract: A combined shovel and utility device useful in performing a variety of functions particularly as associated with a vehicle including during emergency situations such as a snow shovel, a large ice scraper, a wheel traction mat, a work mat, an emergency sign or an emergency sled.
    Type: Grant
    Filed: October 6, 1989
    Date of Patent: February 19, 1991
    Assignee: Ronald C. Lamparter
    Inventor: James Ewen