Patents by Inventor Donald R. Girdner, Jr.

Donald R. Girdner, 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).

  • Filter housing with removable multi-cartridge holder
    Patent number: 10058802
    Abstract: The present invention is directed to a filter housing with a removable filter assembly having an elongated shell assembly, a removable head assembly, and a removable filter assembly. The shell assembly has an inlet section, an outlet section, and a filter assembly opening. The removable filter cartridge includes a top tube sheet, a bottom tube sheet and a plurality of filter cartridges. The filter cartridges provide the only fluid passage through the bottom tube sheet, which otherwise sealing engages a ring assembly within the shell assembly proximate to the outlet section.
    Type: Grant
    Filed: August 25, 2014
    Date of Patent: August 28, 2018
    Assignee: Heateflex Corporation
    Inventors: Hector J. Castaneda, Donald R. Girdner, Jr.
  • FILTER HOUSING WITH REMOVABLE MULTI-CARTRIDGE HOLDER
    Publication number: 20160051912
    Abstract: The present invention is directed to a filter housing with a removable filter assembly having an elongated shell assembly, a removable head assembly, and a removable filter assembly. The shell assembly has an inlet section, an outlet section, and a filter assembly opening. The removable filter cartridge includes a top tube sheet, a bottom tube sheet and a plurality of filter cartridges. The filter cartridges provide the only fluid passage through the bottom tube sheet, which otherwise sealing engages a ring assembly within the shell assembly proximate to the outlet section.
    Type: Application
    Filed: August 25, 2014
    Publication date: February 25, 2016
    Applicant: HEATEFLEX CORPORATION
    Inventors: Hector J. Castaneda, Donald R. Girdner, Jr.