Patents by Inventor Keith A. Bender

Keith A. Bender 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).

  • Particulate tester with mixer for analytical application
    Patent number: 8363222
    Abstract: A mixer for analytical application mixes a container of fluid without a magnetic stir bar. A device for testing a liquid for particles can use the mixer. The mixing can occur in a sealed container, and liquid can be transmitted to the device from the sealed container.
    Type: Grant
    Filed: July 20, 2010
    Date of Patent: January 29, 2013
    Assignee: Hach Company
    Inventors: Kenneth L. Girvin, Gerald A. Szpak, Keith A. Bender, Shawn A. Hogan, Robert A. Moss
  • PARTICULATE TESTER WITH MIXER FOR ANALYTICAL APPLICATION
    Publication number: 20100313635
    Abstract: A mixer for analytical application mixes a container of fluid without a magnetic stir bar. A device for testing a liquid for particles can use the mixer. The mixing can occur in a sealed container, and liquid can be transmitted to the device from the sealed container.
    Type: Application
    Filed: July 20, 2010
    Publication date: December 16, 2010
    Applicant: Hach Company
    Inventors: Kenneth L. GIRVIN, Gerald A. Szpak, Keith A. Bender, Shawn A. Hogan, Robert A. Moss
  • Particulate tester with mixer for analytical application
    Patent number: 7789552
    Abstract: A mixer for analytical application mixes a container of fluid without a magnetic stir bar. A device for testing a liquid for particles can use the mixer. The mixing can occur in a sealed container, and liquid can be transmitted to the device from the sealed container.
    Type: Grant
    Filed: August 18, 2006
    Date of Patent: September 7, 2010
    Assignee: Hach Company
    Inventors: Kenneth L. Girvin, Gerald A. Szpak, Keith A. Bender, Shawn A. Hogan, Robert A. Moss