Patents by Inventor W. Blake Kolb

W. Blake Kolb 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: 7423840
    Abstract: A magnetic recording tape exhibits reduced magnetic flux modulation and improved signal-to-noise ratio. Providing a magnetic recording layer with a more uniform thickness can improve the magnetic flux modulation characteristic. For example, the magnetic recording tape may have a coercivity of greater than or equal to 2000 Oe with a magnetic flux modulation characteristic having a one sigma standard deviation of less than 0.06. In some cases, the magnetic flux modulation characteristic may have a one sigma standard deviation of less than 0.05, or even 0.04. Reduced magnetic flux modulation can support increased storage densities.
    Type: Grant
    Filed: September 22, 2005
    Date of Patent: September 9, 2008
    Assignee: Imation Corp.
    Inventors: Gary L. Huelsman, Subodh K. Kulkarni, W. Blake Kolb
  • Patent number: 6960385
    Abstract: A magnetic recording medium exhibits reduced magnetic flux modulation and improved signal-to-noise ratio. The magnetic recording medium may take the form of a magnetic tape or a magnetic disk. Providing a magnetic recording layer with a more uniform thickness can improve the magnetic flux modulation characteristic. For example, the magnetic recording medium may have a coercivity of greater than or equal to 2000 Oerstads with a magnetic flux modulation characteristic having a one sigma standard deviation of less than 0.06. In some cases, the magnetic flux modulation characteristic may have a one sigma standard deviation of less than 0.05, or even 0.04. Reduced magnetic flux modulation can support increased storage densities.
    Type: Grant
    Filed: September 10, 2002
    Date of Patent: November 1, 2005
    Assignee: Imation Corp.
    Inventors: Gary L. Huelsman, Subodh K. Kulkarni, W. Blake Kolb
  • Publication number: 20040048106
    Abstract: A magnetic recording medium exhibits reduced magnetic flux modulation and improved signal-to-noise ratio. The magnetic recording medium may take the form of a magnetic tape or a magnetic disk. Providing a magnetic recording layer with a more uniform thickness can improve the magnetic flux modulation characteristic. For example, the magnetic recording medium may have a coercivity of greater than or equal to 2000 Oerstads with a magnetic flux modulation characteristic having a one sigma standard deviation of less than 0.06. In some cases, the magnetic flux modulation characteristic may have a one sigma standard deviation of less than 0.05, or even 0.04. Reduced magnetic flux modulation can support increased storage densities.
    Type: Application
    Filed: September 10, 2002
    Publication date: March 11, 2004
    Inventors: Gary L. Huelsman, Subodh K. Kulkarni, W. Blake Kolb
  • Patent number: 5805963
    Abstract: An imaging system and method incorporate an apparatus and method for cleaning developer liquid from an imaging substrate such as a photoreceptor.
    Type: Grant
    Filed: June 16, 1997
    Date of Patent: September 8, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Brian P. Teschendorf, W. Blake Kolb, Thomas M. Milbourn
  • Patent number: 5781834
    Abstract: An imaging system and method incorporate an apparatus and method for cleaning developer liquid from an imaging substrate such as a photoreceptor.
    Type: Grant
    Filed: August 26, 1997
    Date of Patent: July 14, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Brian P. Teschendorf, W. Blake Kolb, Thomas M. Milbourn
  • Patent number: 5758236
    Abstract: A development apparatus for developing a latent electrostatic image on an imaging substrate in a liquid electrographic imaging system includes a cleaning roller for removing back-plated developer from a development device such as a development roller, and a squeegee apparatus for.sub.-- removing both "drip-line" developer liquid and "wrap-around" developer liquid from the imaging substrate. The squeegee apparatus may include a squeegee roller having a crowned profile and a loading mechanism configured to achieve a uniform loading force across a pressure nip formed between the squeegee roller and the imaging substrate. The cleaning roller may include a fiber cleaning media and fluid delivery means for flushing back-plated developer from the cleaning media. The development apparatus also may include means for spacing the development apparatus relative to the imaging substrate without contacting the imaging substrate, thereby avoiding disruption of the motion quality of the imaging substrate.
    Type: Grant
    Filed: September 25, 1996
    Date of Patent: May 26, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Brian P. Teschendorf, Truman F. Kellie, Edward J. Moe, W. Blake Kolb, Joseph T. Brophy, Thomas M. Milbourn, Arthur V. Lang, Donald H. Larson, Alberto Goenaga, Steven C. Jensen, John D. Watson
  • Patent number: 5713068
    Abstract: An apparatus and method for removing excess developer liquid from an imaging substrate make use of a squeegee roller, and a mechanism for loading the squeegee roller against the imaging substrate. The squeegee roller removes the excess developer liquid from the imaging substrate at an upstream side of the squeegee roller relative to a direction of movement of the imaging substrate. A portion of the excess developer liquid can pass to a downstream side of the squeegee roller, however, and be transferred from the squeegee roller to the imaging substrate. A second developer liquid removal mechanism is provided to remove from the imaging substrate the portion of the excess developer liquid transferred from the squeegee roller. The second developer liquid removal mechanism may include a second squeegee roller mounted at a position adjacent the downstream side of the first squeegee roller.
    Type: Grant
    Filed: March 4, 1997
    Date of Patent: January 27, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Brian P. Teschendorf, Joseph T. Brophy, W. Blake Kolb, Alberto Goenaga
  • Patent number: 5576815
    Abstract: A development apparatus for developing a latent electrostatic image on an imaging substrate in a liquid electrographic imaging system includes a cleaning roller for removing back-plated developer from a development device such as a development roller, and a squeegee apparatus for removing both "drip-line" developer liquid and "wrap-around" developer liquid from the imaging substrate. The squeegee apparatus may include a squeegee roller having a crowned profile and a loading mechanism configured to achieve a uniform loading force across a pressure nip formed between the squeegee roller and the imaging substrate. The cleaning roller may include a fiber cleaning media and fluid delivery means for flushing back-plated developer from the cleaning media. The development apparatus also may include means for spacing the development apparatus relative to the imaging substrate without contacting the imaging substrate, thereby avoiding disruption of the motion quality of the imaging substrate.
    Type: Grant
    Filed: September 29, 1995
    Date of Patent: November 19, 1996
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Brian P. Teschendorf, Truman F. Kellie, Edward J. Moe, W. Blake Kolb, Joseph T. Brophy, Thomas M. Milbourn, Arthur V. Lang, Donald H. Larson, Alberto Goenaga, Steven C. Jensen, John D. Watson