Patents by Inventor Harold S. Au

Harold S. Au 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).

  • Graphene based filter
    Patent number: 11135546
    Abstract: Two-dimensional material based filters, their method of manufacture, and their use are disclosed. The filters may include at least one active layer disposed on a porous substrate. The at least one active layer may include intrinsic and/or intentional formed pores. In some embodiments, the flow resistance of the porous substrate may be selected to limit flow through defects and intrinsic pores in the at least one active layer.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: October 5, 2021
    Assignees: Massachusetts Institute of Technology, King Fahd University of Petroleum & Minerals
    Inventors: Rohit N. Karnik, Sean C. O'Hern, Michael S. H. Boutilier, Cameron A. Stewart, Harold S. Au, Nicolas G. Hadjiconstantinou, Tahar Laoui, Muataz A. Atieh