Patents by Inventor Philip Kneisll

Philip Kneisll 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: 7878119
    Abstract: A perforating charge for use in a wellbore includes an explosive and a liner to be collapsed by detonation of the explosive. The liner includes at least a first liner portion and a second liner portion which have different cohesiveness.
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: February 1, 2011
    Assignee: Schlumberger Technology Corporation
    Inventors: Brenden M. Grove, Andrew T. Werner, Philip Kneisll