Patents by Inventor Cheryl L. Sellers

Cheryl L. Sellers 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 service system
    Patent number: 7462222
    Abstract: According to an exemplary embodiment of the present disclosure, a system for removing matter from a filtering device includes a gas pressurization assembly. An element of the assembly is removably attachable to a first orifice of the filtering device. The system also includes a vacuum source fluidly connected to a second orifice of the filtering device.
    Type: Grant
    Filed: October 5, 2004
    Date of Patent: December 9, 2008
    Assignee: Caterpillar Inc.
    Inventors: Cheryl L. Sellers, Daniel S. Nordyke, Richard A. Crandell, Gregory Tomlins, Dong Fei, Alexander Panov, William H. Lane, Craig F. Habeger
  • Deposition system and method
    Patent number: 7419532
    Abstract: According to an exemplary embodiment of the present disclosure, a method of loading a filtering device includes measuring a metric indicative of an initial loading of the filtering device and desirably positioning a quantity of matter proximate the filtering device. The method also includes applying a negative pressure to the filtering device such that at least a portion of the quantity of matter is drawn into the filtering device. The method further includes measuring a metric indicative of a final loading of the filtering device.
    Type: Grant
    Filed: February 28, 2006
    Date of Patent: September 2, 2008
    Assignee: Caterpillar Inc.
    Inventors: Cheryl L. Sellers, Richard A. Crandell, Dong Fei, Jeremy Trethewey, Natalie N. Vanderspiegel
  • Filter service system and method
    Patent number: 7410521
    Abstract: A system for removing matter from a filtering device includes a flow receiving device having a plurality of blocking portions. Each of the plurality of blocking portions is configured to substantially block a flow directed by a corresponding at least one of a plurality of filter passages of the filtering device. The system further includes a positioning assembly configured to assist in positioning the flow receiving device within the filtering device and relative to a filter media of the filtering device.
    Type: Grant
    Filed: February 28, 2005
    Date of Patent: August 12, 2008
    Assignee: Caterpillar Inc.
    Inventors: Cheryl L. Sellers, Orlando Sellers, II
  • Filter service system and method
    Patent number: 7384455
    Abstract: According to an exemplary embodiment of the present disclosure, a method of detecting matter within a filtering device includes measuring a metric indicative of a first quantity of matter within the filtering device and removing a portion of the matter from the filtering device. The method also includes measuring a metric indicative of a second quantity of matter remaining within the filtering device.
    Type: Grant
    Filed: October 31, 2005
    Date of Patent: June 10, 2008
    Assignee: Caterpillar Inc.
    Inventors: Cheryl L. Sellers, Dong Fei, Jill R. Akers, Bappaditya Banerjee, Mark A. Gasper, Daniel S. Nordyke, Richard A. Crandell, Orlando Sellers, II, Christie S. Ragle, Ronald Silver, Julie M. Faas, Paul W. Park, Jeremy Trethewey
  • Particulate filter cleaning device
    Publication number: 20080006155
    Abstract: A method for cleaning a diesel particulate filter by loosening and removing ash from a filter passage in a diesel particulate filter. The steps include providing a diesel particulate filter containing ash within the filter passages, providing a particulate filter cleaning device, and inserting the particulate filter cleaning device into the filter passages. The steps also include moving the particulate filter cleaning device within the filter passage to loosen the ash particles, removing the particulate filter cleaning device from the filter passage, and removing the loosened ash particles from the filter.
    Type: Application
    Filed: July 7, 2006
    Publication date: January 10, 2008
    Inventors: Cheryl L. Sellers, Jade M. Katinas, David W. Painter