Patents by Inventor Larry W. Sherman

Larry W. Sherman 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).

  • Air and liquid evacuation apparatus
    Patent number: 5113750
    Abstract: An elongate flexible conduit is in pneumatic communication with a rigid conduit, wherein the rigid conduit is defined by a reduced diameter relative to the flexible conduit, and wherein an air delivery tube is directed interiorly of the rigid conduit with a leg thereof coaxially aligned with the rigid conduit to effect negative pressure within the flexible conduit for evacuation of gaseous fumes of liquid.
    Type: Grant
    Filed: February 19, 1991
    Date of Patent: May 19, 1992
    Inventor: Larry W. Sherman