Patents by Inventor Gregory Crew

Gregory Crew 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).

  • Tool carrier
    Patent number: 8596416
    Abstract: A system configured for lifting or lowering a tool carriage device via a ladder climbing structure is described. The tool carriage device may be adapted to enclose and transport a payload and include a fall arrest grab with an overspeed brake to stop an uncontrolled descent of the carriage device. The tool carriage device may include obstruction sensors to detect an obstruction along the path of the carriage device.
    Type: Grant
    Filed: June 15, 2012
    Date of Patent: December 3, 2013
    Assignee: Safeworks, LLC
    Inventors: Gregory Crew, John Haigh, Morgan Knickrehm
  • TOOL CARRIER
    Publication number: 20130153334
    Abstract: Climbing aid comprises a traction carriage (14) having a motor for hanging the user and for automatic movement along a ladder. Preferred Features: The drive has a current supply module formed as an exchangeable accumulator. The carriage is detachedly held on the ladder and moves along a side rail and/or along a guide rail (16) of the ladder. The drive torque of the motor can be adjusted to the weight of the user.
    Type: Application
    Filed: June 15, 2012
    Publication date: June 20, 2013
    Applicant: SAFEWORKS, LLC
    Inventors: Gregory Crew, John Haigh, Morgan Knickrehm