Patents by Inventor Patrick Grall

Patrick Grall 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).

  • Roofing underlay screen
    Patent number: 8287984
    Abstract: The invention concerns an under-roof screen (100) comprising: a first layer (102) produced from a first metallic or metallized material forming a thermal reflection barrier; a second layer (108) produced from a second woven material bonded to the first layer (102); a third layer (106) produced from a third insulating material and bonded to the second layer (108); and a fourth layer (104) produced from a fourth metallic or metallized material forming a thermal reflection barrier and bonded to the third layer (106); the first layer (102) and the second layer (108) being provided with micro-perforations (110) providing permeability to water vapor and impermeability to water and the fourth layer (104) being provided with perforations (112) providing permeability to water vapor.
    Type: Grant
    Filed: June 7, 2007
    Date of Patent: October 16, 2012
    Assignee: Loda S.A.R.L.
    Inventor: Patrick Grall
  • Roofing Underlay Screen
    Publication number: 20100209663
    Abstract: The invention concerns an under-roof screen (100) comprising: a first layer (102) produced from a first metallic or metallized material forming a thermal reflection barrier; a second layer (108) produced from a second woven material bonded to the first layer (102); a third layer (106) produced from a third insulating material and bonded to the second layer (108); and a fourth layer (104) produced from a fourth metallic or metallized material forming a thermal reflection barrier and bonded to the third layer (106); the first layer (102) and the second layer (108) being provided with micro-perforations (110) providing permeability to water vapour and impermeability to water and the fourth layer (104) being provided with perforations (112) providing permeability to water vapour.
    Type: Application
    Filed: June 7, 2007
    Publication date: August 19, 2010
    Inventor: Patrick Grall