Patents by Inventor David M. Piccirilli

David M. Piccirilli 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).

  • Method for forming a grout composition
    Patent number: 4429084
    Abstract: A method for forming a grout composition from multiple components. A first component is mixed in pre-measured amounts along with water in a first mixing tank. A first catalyst is added in pre-measured quantities to the first mixing tank. A second catalyst is mixed in pre-determined quantities with water in a second mixing tank. The aqueous solutions in the first and second mixing tanks are combined to cause a polymerization-cross-linking reaction of the first component which results in gellation of the first component.
    Type: Grant
    Filed: May 9, 1983
    Date of Patent: January 31, 1984
    Inventors: Daniel M. Piccirilli, David M. Piccirilli