Patents by Inventor Jakob Wolters

Jakob Wolters 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: 4773689
    Abstract: Releasable spider-type clamping apparatus for clamping to the end of a pipe comprises a system including a normal industrial line connection between a supply and control unit and the spider and a controllable operating device on the spider itself for operating and adjusting the clamp members, at least for the purpose of releasing them in the event the normal industrial line connection fails, the operating device comprising a pressure medium system with at least one pressure medium storage device and a wireless remote control and/or manual system.
    Type: Grant
    Filed: May 20, 1987
    Date of Patent: September 27, 1988
    Assignee: Wirth Maschinen-Und Bohrgerate-Fabrik GmbH
    Inventor: Jakob Wolters
  • Patent number: 3961673
    Abstract: A drill string is mounted on a mast which is angularly adjustable relative to a frame. A support is connected to the frame so as to be angularly adjustable and has an open aperture for the drill string. The support is to be mounted on and secured upon a stationary member, such as a pipe, disposed at the operating location of the drilling apparatus.
    Type: Grant
    Filed: March 24, 1975
    Date of Patent: June 8, 1976
    Assignee: Maschinen- und Bohrgerate-Fabrik Alfred Wirth & Co., K.G.
    Inventors: Jakob Wolters, Josef Classen