Patents Assigned to Ei-Land Corporation
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Patent number: 8082703Abstract: 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: GrantFiled: August 11, 2005Date of Patent: December 27, 2011Assignee: Ei-Land CorporationInventors: John Hulls, Rory R. Davis
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Patent number: 7997042Abstract: 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: GrantFiled: November 7, 2005Date of Patent: August 16, 2011Assignee: Ei-Land CorporationInventors: John Hulls, Rory R. Davis
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Patent number: 7458187Abstract: 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: GrantFiled: January 24, 2006Date of Patent: December 2, 2008Assignee: EI-Land CorporationInventors: John Hulls, Rory R. Davis
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Patent number: 7043879Abstract: 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: GrantFiled: February 11, 2002Date of Patent: May 16, 2006Assignee: Ei-Land CorporationInventors: John Hulls, Rory R. Davis
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Publication number: 20060070317Abstract: 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: ApplicationFiled: November 7, 2005Publication date: April 6, 2006Applicant: EI-LAND CORPORATIONInventors: John Hulls, Rory Davis
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Publication number: 20060059787Abstract: 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: ApplicationFiled: November 7, 2005Publication date: March 23, 2006Applicant: EI-LAND CORPORATIONInventors: John Hulls, Rory Davis
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Patent number: 6374551Abstract: 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: GrantFiled: February 3, 2000Date of Patent: April 23, 2002Assignee: Ei-Land CorporationInventors: Kenneth T. Boilen, Arthur B. Richardson, John Hulls, Jean-Jacques Landry, Ralph C. Francis