Patents by Inventor Jeffrey M. Knapp

Jeffrey M. Knapp 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).

  • Publication number: 20090143203
    Abstract: A weight lifting frame system with a rear frame member, first and second side frame members coupled to opposite ends of the rear frame member and a barbell holding and guiding assembly capable of releasably securing a barbell for selectively guided movement of the barbell relative to the side frame members. The assembly is configured to receive and releasably retain the barbell therein, and includes first and second guide members coupleable to the side frame members, and first and second movable holders coupleable to the guide members.
    Type: Application
    Filed: January 5, 2009
    Publication date: June 4, 2009
    Inventor: Jeffrey M. Knapp
  • Patent number: 7488277
    Abstract: A weight lifting frame system with a rear frame member, first and second side frame members coupled to opposite ends of the rear frame member and a barbell holding and guiding assembly capable of releasably securing a barbell for selectively guided movement of the barbell relative to the side frame members. The assembly is configured to receive and releasably retain the barbell therein, and includes first and second guide members coupleable to the side frame members, and first and second movable holders coupleable to the guide members.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: February 10, 2009
    Inventor: Jeffrey M. Knapp
  • Patent number: 6685601
    Abstract: A weightlifting system with a safety cage includes a rear frame member and a pair of opposed side frame members that are movably coupled to opposite ends of the rear frame member. The side frame members are movable relative to each other and the rear frame member between at least a first position in which the side frame members are adjacent each other and adjacent the rear frame member and a second position in which the side frame members are spaced from each other and from the rear frame member to define an exercise space therein capable of accommodating an exerciser.
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: February 3, 2004
    Inventor: Jeffrey M. Knapp