Patents by Inventor Gerard J-M. Lux

Gerard J-M. Lux 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).

  • Pipe gripping apparatus with interlocking plates
    Patent number: 4478292
    Abstract: In accordance with an illustrative embodiment of the present invention, the individual slip members of a pipe handling apparatus are maintained in substantially the same horizontal plane by plate members attached to the top of the respective slip members, each of said plate members having projecting portions that overlap and engage the projecting portions of an adjacent plate member. The maintenance of the slip members in substantially the same horizontal plane assures uniform engagement of the teeth thereof with the outer wall of a pipe.
    Type: Grant
    Filed: July 19, 1982
    Date of Patent: October 23, 1984
    Assignee: Schlumberger Technology Corporation
    Inventors: Benton F. Baugh, Gerard J-M. Lux, Jean-Paul Ribeyre