Patents by Inventor Sam Hietpas

Sam Hietpas 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: 20120049515
    Abstract: A boltless mechanical pipe joint uses an singly cast segment of joint pipe, bell housing with internal gasket recess and flange to secure pipe segments, including water main segments. The bell housing is elongated to accommodate the internal gasket recess, prefabricated and precisely placed gasket and flange. The flange receives a plurality of restraint components which secure the boltless pipe joint to a second pipe segment. The elongated bell housing also provides additional support.
    Type: Application
    Filed: August 24, 2011
    Publication date: March 1, 2012
    Inventor: Sam Hietpas