Patents by Inventor Paul B. Lively

Paul B. Lively 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: 10711331
    Abstract: The present disclosure relates to a polycrystalline diamond compact (PDC) including a gradient interfacial layer between a thermally stable diamond (TSP) table and a base, such as a substrate or an earth-boring drill bit body. The gradient interfacial layer has a gradient of coefficients of thermal expansion between that of the diamond and the base. The disclosure also relates to methods of forming a gradient interfacial layer and a PDC containing such a layer.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: July 14, 2020
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Andy Cheng Chang, Gagan Saini, Qi Liang, Paul B. Lively, William Brian Atkins
  • Publication number: 20180087134
    Abstract: The present disclosure relates to a polycrystalline diamond compact (PDC) including a gradient interfacial layer between a thermally stable diamond (TSP) table and a base, such as a substrate or an earth-boring drill bit body. The gradient interfacial layer has a gradient of coefficients of thermal expansion between that of the diamond and the base. The disclosure also relates to methods of forming a gradient interfacial layer and a PDC containing such a layer.
    Type: Application
    Filed: April 28, 2015
    Publication date: March 29, 2018
    Inventors: Andy Cheng Chang, Gagan Saini, Qi Liang, Paul B. Lively, William Brian Atkins