Patents by Inventor Roger Marcum

Roger Marcum 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).

  • Stack ban
    Patent number: 6122870
    Abstract: A stack ban for sealing a pipe and boot extending from a roof of a building is disclosed. The stack ban includes a band of flexible material having a smooth inner surface and an outer surface. The inner surface has a circumference substantially equal to a circumference of the pipe and forms a seal between the pipe and boot. The stack ban is preferably secured in a place by a clamp threaded inside of the band and tightened during the installation process. The band is preferably made of neoprene rubber.
    Type: Grant
    Filed: October 20, 1998
    Date of Patent: September 26, 2000
    Inventor: Roger Marcum