Patents by Inventor Alfred Stella

Alfred Stella 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).

  • Sewerage pipe inspection vehicle having a gas sensor
    Patent number: 7024314
    Abstract: An apparatus and method for inspecting sewerage pipes, including in combination with a first mobile pipe vehicle, a gas sensor vehicle for detecting pipe ambient gas. The combination includes an interface cable conveying power and operably connecting the combination to a control station positioned outside the pipe, a second vehicle having a support frame connected to the first mobile pipe vehicle, a gas sensor positioned on the second vehicle support frame and connected to the interface cable for sensing pipe ambient gas level, and a transceiver communicating with the gas sensor and connected to the interface cable for therethrough communicating with the control station. The second vehicle is preferably connected to the first mobile pipe vehicle by the interface cable and is thereby towed in the pipe.
    Type: Grant
    Filed: December 3, 2004
    Date of Patent: April 4, 2006
    Inventors: Alfred Stella, Ray Boyles
  • Sewerage pipe inspection vehicle having a gas sensor
    Patent number: 6832164
    Abstract: An apparatus and method for inspecting sewerage pipes, comprising in combination with a first mobile pipe vehicle, a gas sensor vehicle for detecting pipe ambient gas. The combination includes an interface cable conveying power and operably connecting the combination to a control station positioned outside the pipe, a second vehicle having a support frame connected to the first mobile pipe vehicle, a gas sensor positioned on the second vehicle support frame and connected to the interface cable for sensing pipe ambient gas level, and a transceiver communicating with the gas sensor and connected to the interface cable for therethrough communicating with the control station. The second vehicle is preferably connected to the first mobile pipe vehicle by the interface cable and is thereby towed in the pipe.
    Type: Grant
    Filed: November 20, 2002
    Date of Patent: December 14, 2004
    Inventors: Alfred Stella, Ray Boyles