Patents by Inventor Angela E. Wheeler

Angela E. Wheeler 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).

  • Mobile work zone protection device
    Patent number: 7410321
    Abstract: A mobile work zone protection device includes a front carrier, a barrier beam assembly, and a rear carrier. In one embodiment, the barrier beam assembly includes two sets of telescoping beam structures. Each of these structures can rotate from one side of the device to the other, and thus can be deployed to create a safe work zone for roadway workers on either side of the device. The structure can also be left in the transit position to provide an enclosed safe work zone.
    Type: Grant
    Filed: October 24, 2006
    Date of Patent: August 12, 2008
    Assignee: State of California Department of Transportation
    Inventors: Calvin W. Schiefferly, Angela E. Wheeler, Jeremy M. Matsuo
  • Mobile work zone protection device
    Patent number: 7125198
    Abstract: A mobile work zone protection device includes a front carrier, a barrier beam assembly, and a rear carrier. In one embodiment, the barrier beam assembly includes two sets of telescoping beam structures. Each of these structures can rotate from one side of the device to the other, and thus can be deployed to create a safe work zone for roadway workers on either side of the device. The structure can also be left in the transit position to provide an enclosed safe work zone.
    Type: Grant
    Filed: April 6, 2004
    Date of Patent: October 24, 2006
    Assignee: State of California, Department of Transportation
    Inventors: Calvin W. Schiefferly, Angela E. Wheeler, Jeremy M. Matsuo