Patents by Inventor Jose D. Pullockaran

Jose D. Pullockaran 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).

  • Quick-setting concrete and a method for making quick-setting concrete
    Patent number: 5624493
    Abstract: A method for producing quick setting concrete is provided comprising hydrng a concrete dry mixture with carbonate solution to create a slurry, and allowing the slurry to cure. The invention also provides for a quick setting concrete having a predetermined proportion of CaCO.sub.3 of between 5 and 23 weight percent of the entire concrete mixture, and whereby the concrete has a compression strength of approximately 4,000 pounds per square inch (psi) within 24 hours after pouring.
    Type: Grant
    Filed: April 19, 1995
    Date of Patent: April 29, 1997
    Assignee: The United States of America as represented by the Department of Energy
    Inventors: Arun S. Wagh, Dileep Singh, Jose D. Pullockaran, Lerry Knox
  • Ionic conductors for solid oxide fuel cells
    Patent number: 5232794
    Abstract: An electrolyte that operates at temperatures ranging from 600.degree. C. to 800.degree. C. is provided. The electrolyte conducts charge ionically as well as electronically. The ionic conductors include molecular framework structures having planes or channels large enough to transport oxides or hydrated protons and having net-positive or net-negative charges. Representative molecular framework structures include substituted aluminum phosphates, orthosilicates, silicoaluminates, cordierites, apatites, sodalites, and hollandites.
    Type: Grant
    Filed: October 17, 1991
    Date of Patent: August 3, 1993
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Michael Krumpelt, Ira D. Bloom, Jose D. Pullockaran, Kevin M. Myles