Patents by Inventor Roger A. Crocker

Roger A. Crocker 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: 4462749
    Abstract: A pipe handling apparatus comprising a plurality of pipe supports having articulated arms for lifting a joint of pipe and moving it laterally across a recess by means of a temporary support spanning the recess and thereafter moving the pipe back into a trough received in the recess. The apparatus also includes means for tipping trough to roll out a joint of pipe carried therein and inclined guide means for guiding and directing the pipe as it is discharged from the trough.
    Type: Grant
    Filed: July 21, 1982
    Date of Patent: July 31, 1984
    Inventors: Roger A. Crocker, Jim Schoolcraft
  • Patent number: 4054210
    Abstract: Pipe handling apparatus for transporting pipe in a pipe carrier between a pipe rack and a derrick floor wherein the pipe carrier is supported by a first cable and is manipulated between the pipe rack and the derrick floor by a second cable which is operably connected to a lateral displacement means mounted with the pipe carrier for lateral displacement of the pipe carrier and the pipe therein as the pipe carrier nears the derrick floor thereby to position the pipe for unloading at the derrick floor without detrimental contact of the pipe with any object to accomplish such lateral displacement.
    Type: Grant
    Filed: September 29, 1975
    Date of Patent: October 18, 1977
    Inventor: Roger A. Crocker