Patents by Inventor Jeff Giacomino

Jeff Giacomino 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).

  • Pad plunger assembly with interfitting keys and key ways on mandrel and pads
    Patent number: 6591737
    Abstract: A pad plunger assembly includes an elongated mandrel having a pair of opposite ends, at least one pad subassembly disposed about the mandrel and extending between the opposite ends thereof, a plurality of annular key ways and annular keys respectively defined on the mandrel and the pad subassembly, the key ways and keys interfitting with one another so as to impede the ability of a fluid to flow along the mandrel beneath the pad subassembly and adjacent to the mandrel and from one to the other of the opposite ends of the mandrel, and elements for securing the pad subassembly on and around the mandrel.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: July 15, 2003
    Inventor: Jeff Giacomino
  • Pad plunger assembly with interfitting keys and key ways on mandrel and pads
    Publication number: 20020035919
    Abstract: A pad plunger assembly includes an elongated mandrel having a pair of opposite ends, at least one pad subassembly disposed about the mandrel and extending between the opposite ends thereof, a plurality of annular key ways and annular keys respectively defined on the mandrel and the pad subassembly, the key ways and keys interfitting with one another so as to impede the ability of a fluid to flow along the mandrel beneath the pad subassembly and adjacent to the mandrel and from one to the other of the opposite ends of the mandrel, and elements for securing the pad subassembly on and around the mandrel.
    Type: Application
    Filed: August 30, 2001
    Publication date: March 28, 2002
    Inventor: Jeff Giacomino