Patents by Inventor Annette K. Nasif

Annette K. Nasif 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: 6267196
    Abstract: A vehicle, for driving over a ground surface, has a body with a left side, a right side, a front and a back. The vehicle includes left and right drive mechanisms. Each mechanism includes first and second traction elements for engaging the ground surface and transmitting a driving force between the vehicle and ground surface. Each mechanism includes first and second arms coupled to the first and second traction elements for relative rotation about first and second axis respectively. Each mechanism includes a rotor having a third axis, the rotor coupled to the body for rotation about the third axis and coupled to the first and second arms for relative rotation about the third axis. The mechanism includes first and second drive motors for driving the first and second traction elements and first and second transmissions, driven by the first and second motors and engaging the rotor. Driving the first and second traction elements simultaneously rotates the rotor relative to the first and second arms, respectively.
    Type: Grant
    Filed: August 24, 2000
    Date of Patent: July 31, 2001
    Assignee: California Institute of Technology
    Inventors: Brian H. Wilcox, Annette K. Nasif
  • Patent number: 6112843
    Abstract: A vehicle, for driving over a ground surface, has a body with a left side, a right side, a front and a back. The vehicle includes left and right drive mechanisms. Each mechanism includes first and second traction elements for engaging the ground surface and transmitting a driving force between the vehicle and ground surface. Each mechanism includes first and second arms coupled to the first and second traction elements for relative rotation about first and second axis respectively. Each mechanism includes a rotor having a third axis, the rotor coupled to the body for rotation about the third axis and coupled to the first and second arms for relative rotation about the third axis. The mechanism includes first and second drive motors for driving the first and second traction elements and first and second transmissions, driven by the first and second motors and engaging is the rotor.
    Type: Grant
    Filed: November 7, 1997
    Date of Patent: September 5, 2000
    Assignee: California Institute of Technology
    Inventors: Brian H. Wilcox, Annette K. Nasif
  • Patent number: D487715
    Type: Grant
    Filed: July 31, 2002
    Date of Patent: March 23, 2004
    Assignee: California Institute of Technology
    Inventors: Randel Lindemann, Richard A. Rainen, John Cardone, Richard G. Webster, Christopher Voorhees, James Stone, Joseph P. Melko, Paul Karlmann, Kobie Boykins, Brian Harrington, Lawrence Lee, Jason Suchman, Satish Krishnan, Keith Novak, Lori Shiraishi, Mary E. Reaves, Michael P. Thelen, Annette K. Nasif, Joseph Vacchione, Kevin Burke
  • Patent number: D488093
    Type: Grant
    Filed: July 31, 2002
    Date of Patent: April 6, 2004
    Assignee: California Institute of Technology
    Inventors: Randel Lindemann, Richard A. Rainen, Christopher Voorhees, James Stone, Joseph P. Melko, Paul Karlmann, Kobie Boykins, Brian Harrington, Lawrence Lee, Jason Suchman, Satish Krishnan, Lori Shiraishi, Michael P. Thelen, Annette K. Nasif, Joseph Vacchione, Kevin Burke
  • Patent number: D413551
    Type: Grant
    Filed: January 28, 1998
    Date of Patent: September 7, 1999
    Assignee: California Institute of Technology
    Inventors: Brian H. Wilcox, Annette K. Nasif