Patents by Inventor Henry E. Topf

Henry E. Topf 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).

  • Internal conduit sealing installation
    Publication number: 20030151249
    Abstract: A sealing installation mountable in the interior of a conduit. The installation includes a resilient connector sleeve having connector sealing assemblies at opposite ends of the sleeve. A first seal sleeve has seal sleeve sealing assemblies on opposite ends thereof has one seal sleeve sealing assembly engaging one of the connector sealing assemblies and the other seal sleeve sealing assembly in sealing contact with the interior of the conduit. A second seal sleeve has second seal sleeve sealing assemblies on opposite ends. One second seal sleeve sealing assembly engages a connector sealing assembly and the other seal sleeve sealing assembly is in sealing contact with the interior of the conduit.
    Type: Application
    Filed: February 8, 2002
    Publication date: August 14, 2003
    Applicant: Hunting HTI Rehab, Inc. LLC.
    Inventor: Henry E. Topf