Patents by Inventor Charles Malcolm DEVINE

Charles Malcolm DEVINE 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).

  • DRAIN SYSTEM FOR A PIGGING DEVICE
    Publication number: 20110100479
    Abstract: A drain system for a pigging device on a pipeline includes a pig receiving body connected to the pipeline by at least one pigging valve and being elevated above the pipeline. A drain is connected between the pig receiving body and the pipeline. The drain has a drain valve for selectively opening the drain and the drain drains fluids from the pig receiving body to the pipeline when the drain valve is open and the pressure in the pig receiving body is equalized to the pipeline.
    Type: Application
    Filed: November 3, 2010
    Publication date: May 5, 2011
    Inventor: Charles Malcolm DEVINE