Patents by Inventor Charles H. Graham, JR.

Charles H. Graham, JR. 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).

  • Permanent Inlet Flow Restrictor Assembly
    Publication number: 20130333786
    Abstract: A flow restrictor assembly which is to be custom fitted to to the inside of catch basins attached to storm sewer systems, which flow restrictor assembly is sized so as to restrict the amount of fluid which can flow through the flow restrictor, and which has a hatch which can be easily lifted to allow for easy cleaning and maintenance of the catch basin.
    Type: Application
    Filed: January 29, 2012
    Publication date: December 19, 2013
    Inventors: Charles H. Graham, JR., Ana Piller
  • Permanent Inlet Flow Restrictor Assembly
    Publication number: 20130255814
    Abstract: A flow restrictor assembly which is to be custom fitted to the inside of catch basins attached to storm sewer systems, which flow restrictor assembly is sized so as to restrict the amount of fluid which can flow through the flow restrictor, and which has a hatch which can be easily lifted to allow for easy cleaning and maintenance of the catch basin.
    Type: Application
    Filed: March 30, 2012
    Publication date: October 3, 2013
    Inventors: Charles H. Graham, JR., Ana Piller