Patents by Inventor Henn Oona

Henn Oona 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: 5316060
    Abstract: A refuse collector for introducing solid refuse into commercial plastic trash bags is disclosed. One embodiment of the collector includes an open, peripheral frame having a collection tray hinged thereto, and a pair of bag expanders that are hinged thereto and extend rearwardly from the frame and into a plastic trash bag to hold the bag open. In a second embodiment the collector includes three inexpensive, interlocking disposable components. The collector is particularly adapted to collection of hazardous solid waste such as metal chips or refuse contaminated with hazardous, toxic or infectious materials. The collector may be used in a horizontal or vertical position.
    Type: Grant
    Filed: March 8, 1993
    Date of Patent: May 31, 1994
    Inventors: Marion Y. Hodgdon, Henn Oona
  • Patent number: 5222536
    Abstract: A refuse collector for introducing solid refuse into commercial plastic trash bags is disclosed. The collector includes a open, peripheral frame having a collection tray hinged thereto, and a pair of expander arms that extend rearwardly from the frame and into a plastic trash bag to hold the bag open. The collector is particularly adapted to collection of hazardous solid waste such as metal chips or refuse contaminated toxic or infectious materials. The collector may be used in a horizontal or vertical position, and folds into a compact configuration for storage.
    Type: Grant
    Filed: April 10, 1992
    Date of Patent: June 29, 1993
    Inventors: Marion Y. Hodgdon, Henn Oona