Patents by Inventor Jack E Warner

Jack E Warner 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: 6918247
    Abstract: A system is provided having a hydraulic circuit configured to move one structural member relative to another, and an assist cylinder connected between the structural members and configured to generate and retain potential energy when the one structural member moves from a greater potential energy position to a lower potential energy position, and to convert the potential energy to kinetic energy used to generate a force exerted through the assist cylinder that assists the hydraulic circuit in returning the one structural member toward the position of greater potential energy.
    Type: Grant
    Filed: November 19, 2003
    Date of Patent: July 19, 2005
    Inventor: Jack E Warner