Patents by Inventor Dan Wald

Dan Wald 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).

  • Expansion joint sealing system
    Patent number: 8333532
    Abstract: An expansion joint sealing system may be used to provide a continuous and seamless waterproof membrane across a gap in an expansion joint. The expansion joint sealing system includes sealing members that are provided with a keyway for accepting and interlocking a coating membrane. Also disclosed are an expansion joint including spaced apart structural members and the sealing system and a method for sealing a gap between two spaced apart structural members.
    Type: Grant
    Filed: July 15, 2010
    Date of Patent: December 18, 2012
    Assignee: Construction Research & Technology GmbH
    Inventors: James Derrigan, Dan Wald, Monty Guest, Don Starke
  • EXPANSION JOINT SEALING SYSTEM
    Publication number: 20110135387
    Abstract: An expansion joint sealing system may be used to provide a continuous and seamless waterproof membrane across a gap in an expansion joint. The expansion joint sealing system includes sealing members that are provided with a keyway for accepting and interlocking a coating membrane. Also disclosed are an expansion joint including spaced apart structural members and the sealing system and a method for sealing a gap between two spaced apart structural members.
    Type: Application
    Filed: July 15, 2010
    Publication date: June 9, 2011
    Applicant: Construction Research & Technology GmbH
    Inventors: James DERRIGAN, Dan Wald, Monty Guest, Don Starke