Patents by Inventor Rober Forlong

Rober Forlong 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).

  • Enhanced strength manhole cover assembly and fabrication method
    Patent number: 9022685
    Abstract: A manhole cover assembly includes a manhole structure, a manhole frame carried by the manhole structure and a manhole frame grout cementing the manhole frame to the manhole structure. The manhole frame grout includes a grout mixture having an epoxy resin, a curing agent and an aggregate. The epoxy resin and the aggregate are present in the grout mixture in an epoxy resin:aggregate weight ratio of about 0.09. A removable manhole cover is carried by the manhole frame. A manhole cover assembly fabrication method is also disclosed.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: May 5, 2015
    Inventors: David L. Neathery, Rober Forlong