Patents by Inventor Melvin L. Flentge

Melvin L. Flentge 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: 5014578
    Abstract: A pipe clamping device, viz., pipe tongs, is shown which is particularly adapted to securing pipe as it is lowered into a pipe casing in the earth. The pipe tongs consist of a fixed handle with a removable pipe clamp at one end thereof and an adjustment screw at the other end, and a movable jaw member with a removable pipe clamp at one end thereof, a movable handle connected to the movable jaw member at one end and having a latch with an operating lever at the other end. A linkage is connected between the movable handle and the adjustment screw to provide an adjustable toggle or locking mechanism for the handles and movable jaw member of the tongs. A catch on the fixed handle is engaged by the latch to secure the movable handle in a locked, closed position. The removable pipe clamps are provided in a variety of sizes and shaped for accommodating different pipes.
    Type: Grant
    Filed: January 8, 1990
    Date of Patent: May 14, 1991
    Inventor: Melvin L. Flentge