Patents by Inventor Richard N. Barr

Richard N. Barr 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).

  • Multi-planar gas recovery bioreactor
    Patent number: 7118308
    Abstract: A bioreactor including one or more features that improve bioreactor liquid infiltration and gas recovery and having a central core including liquid infiltration piping, a porous gas recovery material including at least one gas collection pipe, and a berm separating the central core from the porous gas recovery material.
    Type: Grant
    Filed: June 25, 2004
    Date of Patent: October 10, 2006
    Assignee: Waste Management, Inc.
    Inventors: Gary R. Hater, John A. Barbush, Chad A. Abell, Richard N. Barr
  • Infiltration and gas recovery systems for landfill bioreactors
    Patent number: 6742962
    Abstract: A trench located in a landfill including the combination of a liquid infiltration piping system and a horizontal gas withdrawal piping system, the combination allowing for simultaneous liquid infiltration and gas withdrawal from a landfill.
    Type: Grant
    Filed: September 30, 2002
    Date of Patent: June 1, 2004
    Assignee: Waste Management, Inc.
    Inventors: Gary Hater, John A. Barbush, Richard N. Barr
  • INFILTRATION AND GAS RECOVERY SYSTEMS FOR LANDFILL BIOREACTORS
    Publication number: 20040062610
    Abstract: A trench located in a landfill including the combination of a liquid infiltration piping system and a horizontal gas withdrawal piping system, the combination allowing for simultaneous liquid infiltration and gas withdrawal from a landfill.
    Type: Application
    Filed: September 30, 2002
    Publication date: April 1, 2004
    Inventors: Gary Hater, John A. Barbush, Richard N. Barr