Patents by Inventor Tom Ellington

Tom Ellington 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).

  • Telescoping mast having variable height locking and a chain erection mechanism with a cable management system
    Patent number: 7621078
    Abstract: A telescoping mast for supporting and raising a load may be telescopically extended by a zipper-action chain extension system further comprising a system for the management of one or more cables, such as power or communication cables traversing the length of the mast, and is capable of being locked into a rigid formation along a range of telescopic lengths.
    Type: Grant
    Filed: January 20, 2006
    Date of Patent: November 24, 2009
    Assignee: DRS Sustainment Systems, Inc.
    Inventors: Michael Phelan, Michael Miller, Tom Ellington
  • Telescoping mast having variable height locking and a chain erection mechanism with a cable management system
    Publication number: 20060219144
    Abstract: A telescoping mast for supporting and raising a load may be telescopically extended by a zipper-action chain extension system further comprising a system for the management of one or more cables, such as power or communication cables traversing the length of the mast, and is capable of being locked into a rigid formation along a range of telescopic lengths.
    Type: Application
    Filed: January 20, 2006
    Publication date: October 5, 2006
    Inventors: Michael Phelan, Michael Miller, Tom Ellington