Patents by Inventor Nat Smith

Nat Smith 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).

  • Grout sealing apparatus for concrete panels, decks, and support beams and methods for their fabrication
    Patent number: 6449914
    Abstract: Resilient and flexible grout seal strips for sealing off a space formed between the bottom of a concrete panel and a support beam on which the panels are supported, concrete panels, decks, and support beams having resilient and flexible grout seals and methods for fabricating such panels, beams and decks are disclosed. The grout seal strips have a first longitudinal edge adapted to be anchored on either the bottom of a precast panel or the top of a support beam adjacent the respective side edge thereof and extend substantially the length thereof, and have an opposed second longitudinal edge with a wide sealing portion therebetween adapted to engage the other of the panel bottom or the beam top adjacent the respective side edge thereof and form a sealing relation therewith.
    Type: Grant
    Filed: September 11, 2000
    Date of Patent: September 17, 2002
    Inventors: Eugene A. Horstketter, Ken Bernard, Nat Smith
  • Grout sealing apparatus for concrete panels, decks, and support beams and methods for their manufacture
    Patent number: 6115979
    Abstract: Resilient grout seal strips for sealing off a space formed between the bottom of a concrete panel and a support beam on which the panels are supported, concrete panels, decks, and support beams having resilient grout seals and methods for fabricating such panels, beams and decks are disclosed. The resilient seal strips have a first longitudinal edge adapted to be anchored on either the bottom of a precast panel or the top of a support beam adjacent the respective side edge thereof and extend substantially the length thereof, and have an opposed second longitudinal edge with a wide sealing portion therebetween adapted to engage the other of the panel bottom or the beam top adjacent the respective side edge thereof and form a sealing relation therewith.
    Type: Grant
    Filed: April 2, 1998
    Date of Patent: September 12, 2000
    Inventors: Eugene A. Horstketter, Ken Bernard, Nat Smith