Patents by Inventor Steven B. De Boer

Steven B. De Boer 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).

  • Installation for compacting waste and waste assembly
    Patent number: 5386770
    Abstract: Installation for compacting waste. This installation consists of a partition pump fitted in a chamber, the changing volume being determined by the partitions and the wall of the chamber. A closable inlet is fitted, while the wall of the chamber can be designed as a hinged wall in the vicinity of the outlet. Scrapers can be provided to ensure that all of the waste remains in the outlet. The outlet can open into a conventional waste container.
    Type: Grant
    Filed: November 5, 1993
    Date of Patent: February 7, 1995
    Inventor: Steven B. De Boer