Patents by Inventor Christopher Kliefoth

Christopher Kliefoth 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).

  • Form drain for incorporation into a building foundation
    Patent number: 8109045
    Abstract: An improved building foundation form system that includes an integral drain and a spacer bar with engagement lugs at each end adapted to engage a T-shaped engagement channel formed in each of the form surfaces of the inner and outer forms.
    Type: Grant
    Filed: April 20, 2006
    Date of Patent: February 7, 2012
    Assignee: Nationwide Industries, Inc.
    Inventors: Christopher Kliefoth, E. Erik Timothy
  • Form Drain For Incorporation Into Foundation
    Publication number: 20060239781
    Abstract: An improved building foundation form system that includes an integral drain and a spacer bar with engagement lugs at each end adapted to engage a T-shaped engagement channel formed in each of the form surfaces of the inner and outer forms.
    Type: Application
    Filed: April 20, 2006
    Publication date: October 26, 2006
    Applicant: Nationwide Industries, Inc.
    Inventors: Christopher Kliefoth, E. Timothy
  • Magnetic latch system
    Patent number: 7044511
    Abstract: A magnetic latch system including a latch assembly and a keeper assembly. The keeper assembly includes a magnetically attractable keeper pin. The latch assembly includes a magnet and a movable internal lever which is arranged to engage the keeper pin to move it away from the permanent magnet. The system may also include a lock to hold the internal lever in a fixed position so that it cannot be moved to move the keeper pin away from the magnet.
    Type: Grant
    Filed: October 25, 2004
    Date of Patent: May 16, 2006
    Assignee: Nationwide Industries
    Inventors: Christopher Kliefoth, E. Erik Timothy
  • Magnetic latch system
    Publication number: 20050225098
    Abstract: A magnetic latch system including a latch assembly and a keeper assembly. The keeper assembly includes a magnetically attractable keeper pin. The latch assembly includes a magnet and a movable internal lever which is arranged to engage the keeper pin to move it away from the permanent magnet. The system may also include a lock to hold the internal lever in a fixed position so that it cannot be moved to move the keeper pin away from the magnet.
    Type: Application
    Filed: October 25, 2004
    Publication date: October 13, 2005
    Inventors: Christopher Kliefoth, E. Timothy