Patents by Inventor Leonardo Rivera

Leonardo Rivera 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: 20130341009
    Abstract: Detector of Slickline Irregularities (DILA) is a electronic system to detect and assess irregularities in production wells or to a new slickline by measuring eddy currents or eddies or Foucault currents. The system lines can vary in diameter depending on the operation to be performed on each well. The electronic system includes an optical encoder, eddy current sensor, eddy current reader, an electronic module for data acquisition and a computer. The detector monitors the integrity of the slickline in the well, interprets and records the data for graphing and reduces failures in the slickline as a result of rupture caused by excessive stress or collisions within the producing wells, detects flattening and bending, lack of nickel coating, porosity and corrosion.
    Type: Application
    Filed: June 20, 2013
    Publication date: December 26, 2013
    Inventors: Alberto GONZALEZ CANCINO, Rodrigo BUERHEND OROZCO, Alberto FLORES ROA, Jose David PEREZ MENDEZ, Leonardo RIVERA ESTRADA, Ivan VELAZQUEZ OVANDO, Jose Manuel PERAFAN DEL VALLE, Emmanuel ORTEGA LOPEZ, Jose Donato SIMON CASTELLANOS
  • Patent number: 8231131
    Abstract: A cart that can be used as a hand truck for carrying heavy loads up and down a staircase is disclosed. The design has means for accommodating in any size of staircase steps and the small compact dimensions of the cart make it useful for around the corner maneuvering. The cart is divided into two parts that separates while doing the movements to step up or down thru the stairways then it unites together to repeat the cycle. Square rods on the side's holds and support the two parts of the cart and give strength to hold the heavy loads. It uses expansions springs to hold the two parts of the cart and it used to repeat the movements as its stretches away and snaps together.
    Type: Grant
    Filed: September 7, 2009
    Date of Patent: July 31, 2012
    Inventor: Leonardo Rivera Negron
  • Patent number: D322940
    Type: Grant
    Filed: July 17, 1989
    Date of Patent: January 7, 1992
    Inventor: Leonardo Rivera