Patents by Inventor John Achen

John Achen 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: 20070254585
    Abstract: A vent is rigidly mounted in a block wall as a substitute for a block to provide venting through the attendant wall. A lintel extends across the top of the vent and is supported by adjacent blocks. Louvered panels are attached about the exterior and interior openings of the vent. The exterior louvered panel accommodates either a flat finish or a stucco finish. The interior louvered panel can accommodate either a flat finish of the wall or a wall finished with sheet rock.
    Type: Application
    Filed: April 28, 2006
    Publication date: November 1, 2007
    Inventor: John Achen