Patents by Inventor Darrell L. Heathcott

Darrell L. Heathcott 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).

  • Geosynthetic composite for filtration and drainage of fine-grained geomaterials
    Patent number: 9889396
    Abstract: A geocomposite with a geonet and a geotextile. The geotextile has a nonwoven fabric layer and a woven fabric layer, with the nonwoven fabric connected by needle-punching to the woven fabric whereby fibers of the nonwoven fabric extend through and beyond the woven fabric, and the woven fabric and fibers of the nonwoven fabric extending through the woven fabric are bonded to one side of the geonet.
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: February 13, 2018
    Assignee: GSE Environmental, LLC
    Inventors: Mengjia Li, Darrell L. Heathcott
  • Geosynthetic Composite for Filtration and Drainage of Fine-Grained Geomaterials
    Publication number: 20170120175
    Abstract: A geocomposite with a geonet and a geotextile. The geotextile has a nonwoven fabric layer and a woven fabric layer, with the nonwoven fabric connected by needle-punching to the woven fabric whereby fibers of the nonwoven fabric extend through and beyond the woven fabric, and the woven fabric and fibers of the nonwoven fabric extending through the woven fabric are bonded to one side of the geonet.
    Type: Application
    Filed: January 16, 2017
    Publication date: May 4, 2017
    Inventors: Mengjia Li, Darrell L. Heathcott
  • Geosynthetic composite for filtration and drainage of fine-grained geomaterials
    Patent number: 9566775
    Abstract: A geocomposite with a geonet and a geotextile. The geotextile has a nonwoven fabric layer and a woven fabric layer, with the nonwoven fabric connected by needle-punching to the woven fabric whereby fibers of the nonwoven fabric extend through and beyond the woven fabric, and the woven fabric and fibers of the nonwoven fabric extending through the woven fabric are bonded to one side of the geonet.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: February 14, 2017
    Assignee: GSE Environmental, LLC
    Inventors: Mengjia Li, Darrell L. Heathcott
  • Geosynthetic Composite for Filtration and Drainage of Fine-Grained Geomaterials
    Publication number: 20140255100
    Abstract: A geocomposite with a geonet and a geotextile. The geotextile has a nonwoven fabric layer and a woven fabric layer, with the nonwoven fabric connected by needle-punching to the woven fabric whereby fibers of the nonwoven fabric extend through and beyond the woven fabric, and the woven fabric and fibers of the nonwoven fabric extending through the woven fabric are bonded to one side of the geonet.
    Type: Application
    Filed: March 7, 2013
    Publication date: September 11, 2014
    Applicant: GSE Environmental, LLC
    Inventors: Mengjia Li, JR., Darrell L. Heathcott