Patents by Inventor Antonius Krijnen

Antonius Krijnen 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).

  • Tubular running system
    Publication number: 20070251700
    Abstract: A tubular running system including a running tool system for running wellbore tubulars, a tubular handling system connected to the running tool system, a drive system connected to the running tool system, and the tubular handling system having two spaced-apart extensible arms movable toward and away from the running tool system, in one aspect with an elevator connected to the arms for releasably engaging a tubular to be moved with respect to the running tool system.
    Type: Application
    Filed: April 28, 2006
    Publication date: November 1, 2007
    Inventors: David Mason, Pieter Dekker, Rene Mulder, Antonius Krijnen