Patents by Inventor Keith E. Keller

Keith E. Keller 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).

  • Protective cover for reinforcing bar
    Patent number: 6857235
    Abstract: A protective cover for a reinforcing bar including a collar structure defining a perimeter portion and having an open end for receiving the end of a rebar. A cap portion is connected to the collar structure oriented substantially perpendicularly to the collar structure and including a support portion formed integrally with the collar structure. The cap portion further includes a barrier plate supported on the support portion and defining an exposed upper surface of the cover. In one embodiment, a reinforcing plate is disposed beneath the barrier cover and defines an lower surface lower surface within an area defined by the perimeter portion of the collar structure.
    Type: Grant
    Filed: February 25, 2002
    Date of Patent: February 22, 2005
    Assignee: Dayton Superior Corporation
    Inventors: David A. Niday, Edward B. Sorauf, Dale R. Haslem, Keith E. Keller, Harry B. Lancelot, III, Thomas E. Lannom
  • Protective cover for reinforcing bar
    Publication number: 20020116887
    Abstract: A protective cover for a reinforcing bar including a collar structure defining a perimeter portion and having an open end for receiving the end of a rebar. A cap portion is connected to the collar structure oriented substantially perpendicularly to the collar structure and including a support portion formed integrally with the collar structure. The cap portion further includes a barrier plate supported on the support portion and defining an exposed upper surface of the cover. In one embodiment, a reinforcing plate is disposed beneath the barrier cover and defines an lower surface lower surface within an area defined by the perimeter portion of the collar structure.
    Type: Application
    Filed: February 25, 2002
    Publication date: August 29, 2002
    Applicant: Dayton Superior Corporation
    Inventors: David A. Niday, Edward B. Sorauf, Dale R. Haslem, Keith E. Keller, Harry B. Lancelot, Thomas E. Lannom