Patents by Inventor Lowell George Watson

Lowell George Watson 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).

  • Plastic drum with drain sump
    Patent number: 6223930
    Abstract: A plastic drum is formed with a body having at access hole on top and protective chimes. The body also includes a sloping bottom with a sump aligned with the access hole to allow, substantially, all the contents of the drum to be removed without turning the body upside down.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: May 1, 2001
    Assignee: Greif Bros. Corporation of Ohio, Inc.
    Inventor: Lowell George Watson
  • Plastic drum with drain sump
    Patent number: 6047846
    Abstract: A plastic drum is formed with a body having an access hole on top and protective chimes. The body also includes a sloping bottom with a sump aligned with the access hole to allow, substantially, all the contents of the drum to be removed without turning the body upside down.
    Type: Grant
    Filed: October 13, 1998
    Date of Patent: April 11, 2000
    Assignee: Greif Bros. Corp. of Ohio
    Inventor: Lowell George Watson