Patents by Inventor Douglas Scheffer

Douglas Scheffer 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).

  • DUCTILE IRON BEVELING TOOL
    Publication number: 20080005907
    Abstract: A tool bevel member for ductile iron which is adapted to perform a cutting operation and also a beveling operation on a ductile metallic pipe such as a ductile iron pipe. There is a rotary power saw which has rotary drive member to which a saw blade can be mounted. The bevel section can be removably connected to the drive member of the power saw.
    Type: Application
    Filed: June 27, 2007
    Publication date: January 10, 2008
    Inventor: Douglas Scheffer
  • Pipe beveling tool and method
    Patent number: 7103950
    Abstract: A tool assembly which is adapted to perform a cutting operation and also a beveling operation on a pipe. There is a rotary power saw which has rotary drive member to which a saw blade can be mounted. There is a bevel section having a mounting member that connects to the rotary drive member, and a bevel member. There is a locating surface portion around the axis of rotation of the bevel member, and an end lateral locating section and an apex end of the bevel member. The bevel section can be removably connected to the drive member of the power saw.
    Type: Grant
    Filed: July 11, 2003
    Date of Patent: September 12, 2006
    Inventor: Douglas Scheffer