Patents by Inventor Richard J. Hartigan, Jr.

Richard J. Hartigan, 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).

  • Wet press papermakers felt and method of fabrication
    Patent number: 4482601
    Abstract: The disclosure is of a method of preparing a papermakers wet press felt fabric, felts made therefrom and their use, as wet press felts on papermaking machines. By the method of the invention, there is obtained a method of making a papermaker's press felt harder and denser while at the same time maintaining a high level of void volume and permeability in a loaded nip of a paper machine press.
    Type: Grant
    Filed: May 31, 1983
    Date of Patent: November 13, 1984
    Assignee: Albany International Corp.
    Inventor: Richard J. Hartigan, Jr.
  • Method of making monofilament from thermoplastic resin tapes
    Patent number: 4164530
    Abstract: Monofilaments are made from films of unoriented, polymeric resin thermoplastics. The method comprises providing strips or tapes of the unoriented films, twisting the tapes into a generally cylindrical cross-section and drawing the twisted tape to obtain an oriented, round-in-cross-section, monofilament. In the preferred embodiment, molding is carried out by drawing down the twisted tape.
    Type: Grant
    Filed: March 27, 1978
    Date of Patent: August 14, 1979
    Assignee: Albany International Corp.
    Inventors: Armen Renjilian, Donald S. Nichols, Richard J. Hartigan, Jr.