Patents by Inventor Gretchen L. Carlson

Gretchen L. Carlson 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).

  • Cast separator tank
    Patent number: 7115149
    Abstract: A separator tank assembly comprising a cast hollow tank and a cast lid. The cast hollow tank has a closed end and an open end having a first opening and a second opening. The cast lid has a first passage configured for fluid communication with the tank first opening and a second passage configured for sealed fluid communication with the second opening. The first passage is formed with an integral port configured to receive a pressure control valve and the second passage is formed with an integral port configured to receive an oil filter and wherein the tank is configured such that air having undergone primary separation flows through the first opening and oil within the tank flows through the second opening.
    Type: Grant
    Filed: April 1, 2004
    Date of Patent: October 3, 2006
    Assignee: Ingersoll-Rand Company
    Inventors: Mark Stickland, Gunter Gray Matt, Gretchen L. Carlson