Patents by Inventor Jeff Hval

Jeff Hval 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).

  • Hydraulic pressure vessel long seam welding jig
    Patent number: 11344999
    Abstract: A hydraulic pressure vessel long seam welding jig device having a triangular frame, a pair of hydraulically actuated clamp mechanisms each having a clamp activating hydraulic cylinder operatively associated therewith, whereby each of the clamp mechanisms are positioned on opposite ends of the carriage beam and arranged to hold a workpiece during a long seam welding operation.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: May 31, 2022
    Inventor: Jeff Hval
  • Hydraulic Pressure Vessel Long Seam Welding JigHydraulic Pressure Vessel Long Seam Welding Jig
    Publication number: 20210308836
    Abstract: A hydraulic pressure vessel long seam welding jig device having a triangular frame, a pair of hydraulically actuated clamp mechanisms each having a clamp activating hydraulic cylinder operatively associated therewith, whereby each of said clamp mechanisms are positioned on opposite ends of said carriage beam and arranged to hold a workpiece during a long seam welding operation.
    Type: Application
    Filed: April 7, 2020
    Publication date: October 7, 2021
    Inventor: Jeff Hval