Patents by Inventor Randolph C. Tiller

Randolph C. Tiller 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).

  • Remote control for welders and method therefor
    Patent number: 6040555
    Abstract: A method and system for remotely controlling operational parameters of welders by communicating over a welding cable thereof with a remote device electrically coupleable between a workpiece and an electrode holder of the welder. The operational parameters include remotely enabling and disabling the welder, remotely choking the engine thereof, remotely controlling coarse and fine current adjustment, and remotely controlling other parameters otherwise controllable from a control panel of the welder.
    Type: Grant
    Filed: February 20, 1998
    Date of Patent: March 21, 2000
    Assignee: Illinois Tool Works Inc.
    Inventors: Randolph C. Tiller, Robert G. Williams