Patents by Inventor Norman Ritchie

Norman Ritchie 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: 8489545
    Abstract: An automated pre task planning document library system for creating, maintaining, processing, storing, and delivering arranged pre task planning documents suitable for identifying assignments that may mitigate harm from identified hazards associated with task elements that may be performed in the completion of a task.
    Type: Grant
    Filed: March 18, 2010
    Date of Patent: July 16, 2013
    Inventor: Norman Ritchie
  • Publication number: 20100257213
    Abstract: An automated pre task planning document library system for creating, maintaining, processing, storing, and delivering arranged pre task planning documents suitable for identifying assignments that may mitigate harm from identified hazards associated with task elements that may be performed in the completion of a task.
    Type: Application
    Filed: March 18, 2010
    Publication date: October 7, 2010
    Inventor: Norman Ritchie
  • Publication number: 20060139626
    Abstract: An optical inclination sensor is provided having at least one reflective surface and at least two separate optical fibers having ends spaced from a reflective surface. As the reflective surface tilts with respect to a pre-determined reference position the gap lengths between the fiber ends and the reflective surface change and the differences in these gap lengths is used to calculate an angle of inclination with respect to a reference position. The optical inclination sensor can include at least one mass attached to a housing and moveable with respect to the housing as the mass and housing are rotated about one or more axes. Optical strain sensors are disposed a various locations between the mass and housing so that as the mass moves with respect to the housing, each one of the optical strain sensors are placed in compression or tension. The housing can be a generally u-shaped housing having two arms and a base section with the mass disposed within the housing.
    Type: Application
    Filed: December 23, 2004
    Publication date: June 29, 2006
    Inventors: Brooks Childers, Clark Boyd, Norman Ritchie, Paul Zerwekh, Stephen Hester
  • Publication number: 20050196978
    Abstract: An apparatus for maintaining electrical contact to one or more circuits carried by a steering wheel and portions of the circuits separated from the steering wheel comprises first and second housing sections. At least one annulus is carried by one of the housing sections and at least one contact maintaining finger is carried by the other of the housing sections. These components are electrical connected to one another and to respective circuit components to maintain the circuit connections as a steering wheel, that is coupled to one of the first and second housing components, is rotated relative to the other of the first and second housing components that is coupled to the steering column.
    Type: Application
    Filed: March 25, 2004
    Publication date: September 8, 2005
    Inventor: Norman Ritchie