Patents by Inventor Leendert Adriaan Marinus Sonneveld

Leendert Adriaan Marinus Sonneveld 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).

  • Apparatus and method for handling pipe
    Patent number: 7762343
    Abstract: An apparatus for handling pipes, the apparatus, in certain aspects, having a body having a tapered surface and at least a first slip and a second slip slidable on the tapered surface, a slip actuator for setting said at least first slip and said second slip, said first slip and said second slip having interengaging elements such that upon actuation of said slip actuator, said first slip is set and said second slip is set by the interengaging elements transferring setting force from the slip actuator through said first slip to said second slip; and methods for using such an apparatus.
    Type: Grant
    Filed: August 16, 2004
    Date of Patent: July 27, 2010
    Assignee: Varco I/P, Inc.
    Inventors: Leendert Adriaan Marinus Sonneveld, Antonius Dimphena Maria Krijnen, Albert Patrick Jozef Maria de Pont, Michael Antoon Herman Schats, Cornelis Wilhelmus Jacobus de Laat, Johannes Wilhelmus Henricus van Rijzingen
  • Apparatus and method for handling pipe
    Publication number: 20090252589
    Abstract: An apparatus for handling pipes, the apparatus, in certain aspects, having a body having a tapered surface and at least a first slip and a second slip slidable on the tapered surface, a slip actuator for setting said at least first slip and said second slip, said first slip and said second slip having interengaging elements such that upon actuation of said slip actuator, said first slip is set and said second slip is set by the interengaging elements transferring setting force from the slip actuator through said first slip to said second slip; and methods for using such an apparatus.
    Type: Application
    Filed: August 16, 2004
    Publication date: October 8, 2009
    Inventors: Leendert Adriaan Marinus Sonneveld, Antonius Dimphena Maria Krijnen, Albert Patrick Jozef Maria de Pont, Michael Antoon Herman Schats, Cornelis Wilhelmus Jacobus de Laat, Johannes Wilhelmus Henricus van Rijzingen