Patents by Inventor Arthur M. James

Arthur M. James 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: 4070836
    Abstract: A bearing member intermediate structural members provide for low friction relative movement of the structural members comprising, in operative position, a flattened tube having an elastic wall and an anti-friction medium deposited within the tube.
    Type: Grant
    Filed: August 11, 1976
    Date of Patent: January 31, 1978
    Assignee: Arthur M. James
    Inventors: Arthur M. James, Edgar Terry Dalton
  • Patent number: 4046414
    Abstract: Apparatus for hoisting a structural member including a load-distributing device with multiple strands depending therefrom secured to the structural member through hangers engaging A-frames in the structural member. The A-frames form truss structure imparting rigidity to the structural member, and have apexes adjacent the top surface of the structural member which the hangers engage.
    Type: Grant
    Filed: May 3, 1976
    Date of Patent: September 6, 1977
    Inventors: Arthur M. James, Charles J. Conlee
  • Patent number: 3998029
    Abstract: A tower crane and method of climbing the crane. The tower of the crane is initially stabilized at an elevated location, and the tower is released from a base frame supporting its base and elevated to place its base on an upper frame, the base frame is then elevated, and the tower is then dropped to place it on the newly positioned base frame with the upper frame then used to laterally stabilize the tower with the crane in operative condition.
    Type: Grant
    Filed: July 11, 1975
    Date of Patent: December 21, 1976
    Inventors: Arthur M. James, Charles J. Conlee