Patents by Inventor Eduardo Quintanilla Coronado

Eduardo Quintanilla Coronado 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).

  • Reinforced, electrically insulating hose
    Patent number: 5899236
    Abstract: An improved reinforced hose for conducting fluids and gases, and a method of manufacturing that hose, are disclosed herein. The improved reinforced hose includes an interior tube having an inner bore and an outer surface. The improved reinforced hose also includes an outer covering disposed directly about the outer surface of the interior tube. Such outer covering includes one or more layers of plastic threads, which are formed by disposing a plastic substance about core material. The improved reinforced hose may be used as an electrically insulating connection between a city water main or other water supply line and an appliance such as a water heater.
    Type: Grant
    Filed: July 10, 1997
    Date of Patent: May 4, 1999
    Inventors: Eduardo Quintanilla Coronado, Jesus Hinojosa Coronado
  • Reinforced hose
    Patent number: 5803129
    Abstract: An improved reinforced hose for conducting fluids and gases, and a method of manufacturing that hose, are disclosed herein. The improved reinforced hose includes an interior tube having an inner bore and an outer surface. The improved reinforced hose also includes an outer covering disposed directly about the outer surface of the interior tube. Such outer covering includes one or more layers of plastic threads, which are formed by disposing a plastic substance about core material.
    Type: Grant
    Filed: April 3, 1996
    Date of Patent: September 8, 1998
    Inventors: Eduardo Quintanilla Coronado, Jesus Coronado Hinojosa