Patents by Inventor Hans C. Vatter

Hans C. Vatter 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).

  • Tool for removing cut-off plastic pipe in a pipe socket and method of use
    Patent number: 6761512
    Abstract: A tool for cutting a plastic pipe comprising a concave guide section having a central aperture; and a plunger having a longitudinal axis extending through the central aperture and at least one blade extending in generally radial relation from the central axis inside the concave guide section.
    Type: Grant
    Filed: January 3, 2002
    Date of Patent: July 13, 2004
    Inventor: Hans C. Vatter
  • Tool for removing cut-off plastic pipe in a pipe socket and method of use
    Publication number: 20030121157
    Abstract: A tool for cutting a plastic pipe comprising a concave guide section having a central aperture; and a plunger having a longitudinal axis extending through the central aperture and at least one blade extending in generally radial relation from the central axis inside the concave guide section.
    Type: Application
    Filed: January 3, 2002
    Publication date: July 3, 2003
    Inventor: Hans C. Vatter