Patents by Inventor Robert R. Ziemer

Robert R. Ziemer 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).

  • Injection quill for water treatment
    Patent number: 6238557
    Abstract: First and second quill members introduce water treatment chemicals to a water stream advancing within water containing equipment having only a single opening. The first quill member extends through a sealed opening on a wall of the equipment and has a first inlet located outside of the equipment, a first outlet located within the equipment in the path of the advancing water stream, and a first passage extending between the first and second inlets. The second quill member is mounted on the first quill member and has a second inlet located outside of the equipment and a second outlet located within the equipment in the path of the advancing water stream. The second outlet is spaced from the first outlet and a second passage, coaxial with the first, extends between the second inlet and the second outlet.
    Type: Grant
    Filed: September 20, 2000
    Date of Patent: May 29, 2001
    Assignee: Betzdearborn Inc.
    Inventors: Robert R. Ziemer, Anthony M. Rossi
  • Injection quill for water treatment
    Patent number: 6165372
    Abstract: First and second quill members introduce water treatment chemicals to a water stream advancing within water containing equipment having only a single opening. The first quill member extends through a sealed opening on a wall of the equipment and has a first inlet located outside of the equipment, a first outlet located within the equipment in the path of the advancing water stream, and a first passage extending between the first and second inlets. The second quill member is mounted on the first quill member and has a second inlet located outside of the equipment and a second outlet located within the equipment in the path of the advancing water stream. The second outlet is spaced from the first outlet and a second passage, coaxial with the first, extends between the second inlet and the second outlet.
    Type: Grant
    Filed: August 11, 1999
    Date of Patent: December 26, 2000
    Assignee: Betzdearborn Inc.
    Inventors: Robert R. Ziemer, Anthony M. Rossi