Patents by Inventor Robert Brian Luher

Robert Brian Luher 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).

  • Top drive systems with main shaft deflecting sensing
    Patent number: 7784565
    Abstract: A top drive system for wellbore operations, the top drive system including motor apparatus, a main shaft driven by the motor apparatus, and sensing apparatus for sensing bending of the main shaft; and, in certain aspects, the system providing information regarding the extent of main shaft bending and/or for warning an operator of an undesirable amount of main shaft bending. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).
    Type: Grant
    Filed: September 17, 2008
    Date of Patent: August 31, 2010
    Assignee: National Oilwell Varco, L.P.
    Inventors: Lawrence E. Wells, Robert Brian Luher
  • Top drive systems with main shaft deflecting sensing
    Publication number: 20100065336
    Abstract: A top drive system for wellbore operations, the top drive system including motor apparatus, a main shaft driven by the motor apparatus, and sensing apparatus for sensing bending of the main shaft; and, in certain aspects, the system providing information regarding the extent of main shaft bending and/or for warning an operator of an undesirable amount of main shaft bending. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).
    Type: Application
    Filed: September 17, 2008
    Publication date: March 18, 2010
    Inventors: Lawrence E. Wells, Robert Brian Luher