Patents by Inventor Thomas W. Drawbaugh

Thomas W. Drawbaugh 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).

  • Patent number: 5562131
    Abstract: A drip-free oil drain pan comprising a tray is disclosed. The pan has a lower imperforate plate with an enlarged first section of a generally circular configuration and has co-extensive therewith, in a common plane, a second section in a generally circular configuration. The first and second sections are coupled together at a common throat area of reduced size. The drain pan further comprises an upstanding side wall for the plate including a first side wall extending upwardly from around the majority of the first section of the planar plate except in the reduced throat area. Also provided is a second side wall extending upwardly from around the majority of the second section of the planar plate except in the reduced throat area and formed as an extension of the first side wall.
    Type: Grant
    Filed: July 3, 1995
    Date of Patent: October 8, 1996
    Inventor: Thomas W. Drawbaugh