Patents by Inventor David M. Kellam

David M. Kellam 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: 8328427
    Abstract: The sliding strut bearing has two rigid body positioned in a plastic housing and a synthetic resin sliding bearing positioned between the two rigid bodies. The rigid bodies are metal and provide structural rigidity allowing a spring seat to be incorporated into the plastic housing and an overall reduction in the height of the bearing.
    Type: Grant
    Filed: August 12, 2009
    Date of Patent: December 11, 2012
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventor: David M. Kellam
  • Publication number: 20100040317
    Abstract: The sliding strut bearing has two rigid body positioned in a plastic housing and a synthetic resin sliding bearing positioned between the two rigid bodies. The rigid bodies are metal and provide structural rigidity allowing a spring seat to be incorporated into the plastic housing and an overall reduction in the height of the bearing.
    Type: Application
    Filed: August 12, 2009
    Publication date: February 18, 2010
    Applicant: SCHAEFFLER KG
    Inventor: David M. KELLAM
  • Publication number: 20100014792
    Abstract: A ring bearing assembly for an automotive suspension strut assembly. The ring bearing assembly includes an annular bearing having a lower housing member that functions as an integral spring seat for the suspension's coil spring. An isolator is molded to the spring seat as an integral component with a groove or other mechanical retention feature being used to help maintain the isolator in place and prevent it from working itself out of position over time during vehicle use.
    Type: Application
    Filed: July 17, 2008
    Publication date: January 21, 2010
    Applicant: SCHAEFFLER KG
    Inventor: David M. Kellam
  • Patent number: 7000909
    Abstract: A MacPherson strut tube having an upper spring seat, a spring, a strut tube, and a ring bearing disposed for engaging the spring seat, the spring and the strut tube. The ring bearing comprises an upper casing, a lower casing, and a plastic ring engaged between the upper and lower casings, thereby forming said ring bearing.
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: February 21, 2006
    Inventors: David M. Kellam, Alex Teng, Michael Claassen
  • Publication number: 20040130115
    Abstract: A MacPherson strut tube having an upper spring seat, a spring, a strut tube, and a ring bearing disposed for engaging the spring seat, the spring and the strut tube. The ring bearing comprises an upper casing, a lower casing, and a plastic ring engaged between the upper and lower casings, thereby forming said ring bearing.
    Type: Application
    Filed: December 19, 2003
    Publication date: July 8, 2004
    Inventors: David M. Kellam, Alex Teng, Michael Claassen