Patents by Inventor Ralph Graham Anderson

Ralph Graham Anderson 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).

  • Independently moveable machine tool
    Patent number: 10221992
    Abstract: A tool holder. The tool holder is mounted to a platform (9) and comprises a plurality of legs (1) extending from respective positions on the platform (9) for connecting the platform (9) to respective positions on the workpiece. Each leg (1) has a first joint system (8a) at its platform end allowing each leg (1) to pivot relative to the platform (9). Each first joint system (8a) has an actuator arrangement (34) having a first operating mode in which the actuator arrangement (34) is configured to apply a load to move the respective leg (1), and a second operating mode in which the actuator arrangement (34) is configured to allow free movement of the respective leg (1).
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: March 5, 2019
    Inventors: Adam George Antrum Rushworth, Dragos Aurelian Axinte, John Marcus Allen, James Kell, Ralph Graham Anderson