Patents by Inventor Karl D. Pettinger

Karl D. Pettinger 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).

  • Suction free waste receptacle apparatus
    Patent number: 7635065
    Abstract: A suction free waste receptacle apparatus provided in a plurality of embodiments, the apparatus providing suction relief whereby a flexible trash bag suction to the apparatus is negated, thereby affording easier bag placement and removal from the apparatus. The apparatus prevents spillage of trash and liquids from a leaking bag. The apparatus combines rigidity with light weight using a reinforcing rib structure.
    Type: Grant
    Filed: October 23, 2006
    Date of Patent: December 22, 2009
    Inventor: Karl D. Pettinger