Patents Assigned to Ei-Land Corporation
  • Patent number: 8082703
    Abstract: A force resisting device for transmitting forces and dissipating and absorbing energy in a shear wall or shear wall segment includes at least one active element, the active element having a force versus deflection property under at least one cyclic load such that the shear wall has at least one building code compliant parameter. The building code compliant parameter includes an equivalent response coefficient, R, a system overstrength coefficient, W, and a deflection amplification factor, C. Exemplary embodiments of prefabricated shear walls or shear wall segments include the disclosed force resisting device. Exemplary embodiments of buildings include the disclosed prefabricated shear wall or shear wall segment with the disclosed force resisting device.
    Type: Grant
    Filed: August 11, 2005
    Date of Patent: December 27, 2011
    Assignee: Ei-Land Corporation
    Inventors: John Hulls, Rory R. Davis
  • Patent number: 7997042
    Abstract: In accordance with the present invention there is provided a force-resisting device for transmitting forces and dissipating and absorbing energy across a discontinuous structural element of a structure. The device includes at least one active element, the active element having defined force versus deflection properties and able to transmit force and dissipate and absorb energy, one end of the active element configured to be connected to a structure, and at least one frame element disposed about a discontinuous structural element, wherein the frame is configured to be connected to a second end of the active element, wherein the active element and the frame element configured to resist forces applied to the structure by transmitting forces across the discontinuous structural element.
    Type: Grant
    Filed: November 7, 2005
    Date of Patent: August 16, 2011
    Assignee: Ei-Land Corporation
    Inventors: John Hulls, Rory R. Davis
  • Patent number: 7458187
    Abstract: In accordance with the present invention there is provided a force-resisting device for transmitting forces and dissipating and absorbing energy across a discontinuous structural element of a structure. The device includes at least one active element, the active element having defined force versus deflection properties and able to transmit force and dissipate and absorb energy, one end of the active element configured to be connected to a structure, and at least one frame element disposed about a discontinuous structural element, wherein the frame is configured to be connected to a second end of the active element, wherein the active element and the frame element configured to resist forces applied to the structure by transmitting forces across the discontinuous structural element.
    Type: Grant
    Filed: January 24, 2006
    Date of Patent: December 2, 2008
    Assignee: EI-Land Corporation
    Inventors: John Hulls, Rory R. Davis
  • Patent number: 7043879
    Abstract: In accordance with the present invention there is provided a force-resisting device for transmitting forces and dissipating and absorbing energy across a discontinuous structural element of a structure. The device includes at least one active element, the active element having defined force versus deflection properties and able to transmit force and dissipate and absorb energy, one end of the active element configured to be connected to a structure, and at least one frame element disposed about a discontinuous structural element, wherein the frame is configured to be connected to a second end of the active element, wherein the active element and the frame element configured to resist forces applied to the structure by transmitting forces across the discontinuous structural element.
    Type: Grant
    Filed: February 11, 2002
    Date of Patent: May 16, 2006
    Assignee: Ei-Land Corporation
    Inventors: John Hulls, Rory R. Davis
  • Publication number: 20060070317
    Abstract: In accordance with the present invention there is provided a force-resisting device for transmitting forces and dissipating and absorbing energy across a discontinuous structural element of a structure. The device includes at least one active element, the active element having defined force versus deflection properties and able to transmit force and dissipate and absorb energy, one end of the active element configured to be connected to a structure, and at least one frame element disposed about a discontinuous structural element, wherein the frame is configured to be connected to a second end of the active element, wherein the active element and the frame element configured to resist forces applied to the structure by transmitting forces across the discontinuous structural element.
    Type: Application
    Filed: November 7, 2005
    Publication date: April 6, 2006
    Applicant: EI-LAND CORPORATION
    Inventors: John Hulls, Rory Davis
  • Publication number: 20060059787
    Abstract: In accordance with the present invention there is provided a force-resisting device for transmitting forces and dissipating and absorbing energy across a discontinuous structural element of a structure. The device includes at least one active element, the active element having defined force versus deflection properties and able to transmit force and dissipate and absorb energy, one end of the active element configured to be connected to a structure, and at least one frame element disposed about a discontinuous structural element, wherein the frame is configured to be connected to a second end of the active element, wherein the active element and the frame element configured to resist forces applied to the structure by transmitting forces across the discontinuous structural element.
    Type: Application
    Filed: November 7, 2005
    Publication date: March 23, 2006
    Applicant: EI-LAND CORPORATION
    Inventors: John Hulls, Rory Davis
  • Patent number: 6374551
    Abstract: A moveable structural reinforcement system is described including a moveable panel adapted to substantially close a building opening, the panel including variable shear load resistance means for regulating the shear stiffness of the building when the panel is in a closed position.
    Type: Grant
    Filed: February 3, 2000
    Date of Patent: April 23, 2002
    Assignee: Ei-Land Corporation
    Inventors: Kenneth T. Boilen, Arthur B. Richardson, John Hulls, Jean-Jacques Landry, Ralph C. Francis