Patents by Inventor John T. Deville

John T. Deville 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).

  • Cement head
    Patent number: 8381808
    Abstract: A cement head, comprising a first module comprising a first module outer profile, a second module comprising a second module outer profile, a bridge comprising a bridge profile engaged with each of the first module outer profile and the second module outer profile.
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: February 26, 2013
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Henry E. Rogers, Phillip Standifer, Brett A. Fears, John T. Deville