Patents by Inventor John David Engwer

John David Engwer 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).

  • Publication number: 20010053545
    Abstract: The present invention provides innovative blends of select compost and one or more natural, organic fibrous materials that act as mechanical tackifiers. Compost blends of the present invention exhibit improved performance in landscape management, and are particularly useful in the form of mats and berms for the prevention and treatment of erosion and the control of sedimentation. They also serve to remediate water runoff of excess nutrients, pesticides, metals, and numerous other environmental pollutants.
    Type: Application
    Filed: March 20, 2001
    Publication date: December 20, 2001
    Inventor: John David Engwer