Patents by Inventor Song-Ping Dai

Song-Ping Dai 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).

  • Flooring underlayment membrane
    Patent number: 8536077
    Abstract: Disclosed herein is a flooring underlayment membrane, and associated methods of manufacturing and installing such a membrane, comprising upper and lower nonwoven fiber layers. In one embodiment, the flooring underlayment membrane constructed as disclosed herein may comprise a first nonwoven fiber material, and a second nonwoven fiber material and at least one layer of extrudable thermoplastic resin disposed between and bonding the first and second nonwoven fiber materials.
    Type: Grant
    Filed: December 29, 2008
    Date of Patent: September 17, 2013
    Assignee: Building Materials Investment Corporation
    Inventors: Daniel LaVietes, David Gladden, Song-Ping Dai
  • FLOORING UNDERLAYMENT MEMBRANE
    Publication number: 20090218030
    Abstract: Disclosed herein is a flooring underlayment membrane, and associated methods of manufacturing and installing such a membrane, comprising upper and lower nonwoven fiber layers. In one embodiment, the flooring underlayment membrane constructed as disclosed herein may comprise a first nonwoven fiber material, and a second nonwoven fiber material and at least one layer of extrudable thermoplastic resin disposed between and bonding the first and second nonwoven fiber materials.
    Type: Application
    Filed: December 29, 2008
    Publication date: September 3, 2009
    Applicant: Building Materials Investment Corporation
    Inventors: Daniel LaVietes, David Gladden, Song-Ping Dai