Patents by Inventor Robert J. Pannepacker, Jr.

Robert J. Pannepacker, Jr. 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).

  • HIGH EFFICIENCY FILTER MEDIA
    Publication number: 20230124690
    Abstract: Filtration media packs, filter elements, and media are disclosed, including media packs having a plurality of layers of single facer media wherein the layers of single facer media include a fluted sheet, a facing sheet, and a plurality of flutes extending between the fluted sheet and the facing sheet, with the fluted sheet and facing sheet formed of multi-layer media can include a polytetrafluoroethylene (PTFE) layer supported by a polymeric scrim layer.
    Type: Application
    Filed: March 24, 2021
    Publication date: April 20, 2023
    Inventors: Rakesh K. Yadav, Daniel L. Tuma, Robert R. Levac, Byron G. Griffin, Jonathan M. Beckett, Anil Suthar, Robert J. Pannepacker, Jr.
  • POROUS PTFE MEMBRANE
    Publication number: 20220062806
    Abstract: A porous polytetrafluoroethylene (PTFE) membrane including a nonwoven web having a microstructure of substantially only microfibrils fused at crossover points, said membrane having a percent balance of orthogonal dimensions that is within 10%.
    Type: Application
    Filed: December 16, 2019
    Publication date: March 3, 2022
    Inventors: Anil Suthar, Richard Brandimarte, Robert J. Pannepacker, Jr., Stuti S. Rajgarhia