Patents by Inventor Del R. Nelson

Del R. Nelson 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).

  • Position-sensitive shock absorber
    Patent number: 6966412
    Abstract: A position-sensitive shock absorbing device with a single cast body construction is provided. The device has a tubular member, a moveable piston within the tubular member, a first hydraulic fluid chamber defined by an interior volume of the tubular member, a bypass member attached to an outside area of the tubular member. The bypass member surrounds a portion of the tubular member and a second hydraulic fluid chamber is defined by a volume between the tubular member and the bypass member. A first and a second opening in a side of the tubular member are arranged such that the openings are fluidly connected with each other and with both the first and second hydraulic fluid chamber.
    Type: Grant
    Filed: February 24, 2003
    Date of Patent: November 22, 2005
    Assignee: Arctic Cat Inc.
    Inventors: Douglas K. Braswell, Del R. Nelson, Brian W. Dick
  • Position-sensitive shock absorber
    Publication number: 20040163905
    Abstract: A position-sensitive shock absorbing device with a single cast body construction is provided. The device has a tubular member, a moveable piston within the tubular member, a first hydraulic fluid chamber defined by an interior volume of the tubular member, a bypass member attached to an outside area of the tubular member. The bypass member surrounds a portion of the tubular member and a second hydraulic fluid chamber is defined by a volume between the tubular member and the bypass member. A first and a second opening in a side of the tubular member are arranged such that the openings are fluidly connected with each other and with both the first and second hydraulic fluid chamber.
    Type: Application
    Filed: February 24, 2003
    Publication date: August 26, 2004
    Inventors: Douglas K. Braswell, Del R. Nelson, Brian W. Dick