Patents by Inventor Keith A. Eisfeldt

Keith A. Eisfeldt 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: 12779543
    Abstract: A mill-turn machine for milling and turning workpieces includes a table configured to hold a workpiece; a tool head, having a workpiece-oriented surface, that is movable to contact the workpiece; a spindle chuck, configured to releasably hold a rotary cutting tool for milling the workpiece, located on the workpiece-facing surface of the tool head; and a turning chuck, configured to releasably hold a stationary cutting tool for turning the workpiece, located on the workpiece-facing surface of the tool head.
    Type: Grant
    Filed: February 28, 2023
    Date of Patent: November 3, 2026
    Assignee: FIVES GIDDINGS & LEWIS, LLC
    Inventor: Keith A. Eisfeldt
  • Publication number: 20240286199
    Abstract: A mill-turn machine for milling and turning workpieces includes a table configured to hold a workpiece; a tool head, having a workpiece-oriented surface, that is movable to contact the workpiece; a spindle chuck, configured to releasably hold a rotary cutting tool for milling the workpiece, located on the workpiece-facing surface of the tool head; and a turning chuck, configured to releasably hold a stationary cutting tool for turning the workpiece, located on the workpiece-facing surface of the tool head.
    Type: Application
    Filed: February 28, 2023
    Publication date: August 29, 2024
    Inventor: Keith A. Eisfeldt
  • Publication number: 20240286237
    Abstract: A tool measurement assembly for a mill-turn machine including a laser tool setter having a laser transmitter that measures an outer surface of a rotary cutting tool held by the mill-turn machine; and a physical stylus tool probe configured to contact a stationary cutting tool held by the mill-turn machine; the tool measurement assembly is configured to mount to the mill-turn machine allowing the tool measurement assembly to move into a measurement position within a workspace.
    Type: Application
    Filed: February 28, 2023
    Publication date: August 29, 2024
    Inventor: Keith A. Eisfeldt