Patents by Inventor Joseph A. Hahn

Joseph A. Hahn 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).

  • Patent number: 5779101
    Abstract: A portable container carrier for housing aerosol containers and other articles having disposed on one end portion thereof an actuatable or removable cap. The portable carrier includes generally a housing member having a first cover member slidably coupled to a first end portion of the housing member, and a second cover member slidably coupled to a second end portion of the housing member. The cover members are movable relative to the housing member between an opened position and a closed position, wherein the aerosol container caps are enclosed within the carrier by the cover members in the closed position, and wherein the aerosol container caps protrude through apertures of the cover members in the opened position so that the containers are accessible without having to detachably remove the cover members from the housing member, and the containers are accessible and useable without having to remove the containers from the carrier.
    Type: Grant
    Filed: November 12, 1996
    Date of Patent: July 14, 1998
    Assignee: Illinois Tool Works Inc.
    Inventors: Vilma G. Holmgren, Joseph A. Hahn, Douglas G. Begley, Thomas E. Perdue, Jr.
  • Patent number: 4836921
    Abstract: A compact portable wastewater treatment apparatus for treating oil contaminated waste water having a support structure with a containment tank on said support structure for receiving waste water. A mixing means on the support structure is also provided for mixing the waste water with a desired amount of materials to form a flocculent with the oil of the oil contaminated waste water. Furthermore, filters are included on the support structure for filtering the flocculent from the waste water with a pump structure for transporting the waste water within the system.
    Type: Grant
    Filed: January 30, 1987
    Date of Patent: June 6, 1989
    Assignee: Magnaflux Corporation
    Inventors: Joseph A. Hahn, John E. House
  • Patent number: D399059
    Type: Grant
    Filed: November 12, 1996
    Date of Patent: October 6, 1998
    Assignee: Illinois Tool Works Inc.
    Inventors: Vilma G. Holmgren, Joseph A. Hahn, Douglas G. Begley, Thomas E. Perdue, Jr.