Patents by Inventor Mark Holtman

Mark Holtman 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).

  • Process to yield foam construction boards with low surface irregularities
    Patent number: 12358190
    Abstract: A method for producing a foam board laminate having low surface irregularities, the method comprising (i) preparing a continuous foam laminate; (ii) cutting the foam laminate to a desired length; (iii) placing the foam laminate of desired length into restriction to restrict further expansion of the foam laminate in the thickness of the foam laminate.
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: July 15, 2025
    Assignee: Holcim Technology Ltd
    Inventors: John B. Letts, Chunhua Yao, Mark Holtman