Patents by Inventor Tony L. Langley

Tony L. Langley 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).

  • Sludge filtering device and grid system
    Patent number: 5240609
    Abstract: A device for extracting liquid from sludge which uses a perforate conveyor belt to carry the sludge through the device. A portion of the belt carrying the sludge is supported by a grid support system which includes a series of wear support members. These wear support members each have a rigid body member having an insert wear strip slidably mounted on the rigid body member which can easily be removed from the device without disconnecting the body member from the device.
    Type: Grant
    Filed: November 4, 1991
    Date of Patent: August 31, 1993
    Assignee: Enviroquip, Inc.
    Inventor: Tony L. Langley