Patents by Inventor Denis M. Gerardin

Denis M. Gerardin 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: 6386651
    Abstract: An insert arrangement includes a ring member having (i) a first sidewall, (ii) a second sidewall, (iii) a bore defined therethrough, (iv) a first seal groove defined in the first sidewall, and (v) a second seal groove defined in the second sidewall. The insert arrangement also includes a bushing having (i) a passageway defined therethrough and (ii) a bushing end face. The bushing is positioned relative to the ring member so that (i) the passageway is linearly aligned with the bore and (ii) the first seal groove is located in an opposing relationship with the bushing end face. The insert arrangement further includes a link having an aperture defined therein. The link is positioned relative to the ring member so that the ring member is positioned within the aperture.
    Type: Grant
    Filed: April 20, 2000
    Date of Patent: May 14, 2002
    Assignee: Caterpillar Inc.
    Inventors: Denis M. Gerardin, Roy L. Maguire