Patents by Inventor Antonio Assenza

Antonio Assenza 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).

  • Patent number: 5873421
    Abstract: A tool for installing an underground pipeline below an existing structure such as a sidewalk or driveway. The tool consists of a steel casing, an auger within the casing, a soil drilling bit at the end of the auger, and an hydraulic motor for driving the auger. A selected length of plastic or steel pipe is slid onto the casing before drilling. After the drilling is completed, the casing, auger, and auger bit are withdrawn from the soil, leaving the pipe length embedded in the soil.
    Type: Grant
    Filed: August 7, 1997
    Date of Patent: February 23, 1999
    Inventor: Antonio Assenza