Patents by Inventor Jeffrey J. Julich

Jeffrey J. Julich 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 cartridge assembly with brine seal and retaining ring
    Patent number: 6830683
    Abstract: A filter cartridge assembly intended for replaceable installation in a demountable cartridge housing includes in one embodiment, a retaining ring that is attached to the product water tube of the filter cartridge, is inserted with the cartridge into the housing, and is locked to the housing such that, upon subsequent removal of the housing to change the cartridge, the cartridge will be forced from sealing engagement with the end cap header and caused to remain in the housing until the housing has been removed. The integral retaining ring and cartridge are then simply unlocked and removed from the housing for replacement. Brine ring embodiments that are welded to the housing or attached to the housing with a snap-in connection are also disclosed.
    Type: Grant
    Filed: April 23, 2002
    Date of Patent: December 14, 2004
    Assignee: Culligan International Company
    Inventors: Robert R. Gundrum, Jeffrey J. Julich
  • Filter cartridge assembly with brine seal and retaining ring
    Publication number: 20030196947
    Abstract: A filter cartridge assembly intended for replaceable installation in a demountable cartridge housing includes in one embodiment, a retaining ring that is attached to the product water tube of the filter cartridge, is inserted with the cartridge into the housing, and is locked to the housing such that, upon subsequent removal of the housing to change the cartridge, the cartridge will be forced from sealing engagement with the end cap header and caused to remain in the housing until the housing has been removed. The integral retaining ring and cartridge are then simply unlocked and removed from the housing for replacement. Brine ring embodiments that are welded to the housing or attached to the housing with a snap-in connection are also disclosed.
    Type: Application
    Filed: April 23, 2002
    Publication date: October 23, 2003
    Inventors: Robert R. Gundrum, Jeffrey J. Julich