Patents by Inventor Jeffrey L. Pierce

Jeffrey L. Pierce 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).

  • Method for production of a compressed natural gas equivalent from landfill gas and other biogases
    Patent number: 8999036
    Abstract: Biogas is converted to a vehicle fuel equivalent to compressed natural gas high in methane in a simple, low cost process involving steps of refrigeration, non-regenerative activated carbon purification and carbon dioxide removal using low-pressure membrane technology.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: April 7, 2015
    Assignee: Stearns Conrad Schmidt Consulting Engineers, Inc.
    Inventor: Jeffrey L. Pierce
  • METHOD FOR PRODUCTION OF A COMPRESSED NATURAL GAS EQUIVALENT FROM LANDFILL GAS AND OTHER BIOGASES
    Publication number: 20130019633
    Abstract: Biogas is converted to a vehicle fuel equivalent to compressed natural gas high in methane in a simple, low cost process involving steps of refrigeration, non-regenerative activated carbon purification and carbon dioxide removal using low-pressure membrane technology.
    Type: Application
    Filed: September 26, 2012
    Publication date: January 24, 2013
    Inventor: Jeffrey L. Pierce