Automatic Pulse Tracer Velocimeter. US patent 0047682-A1 issued on Feb. 18, 2016.

Passive Nutrient Removal Material Mixes. US Patent 7824551 issued on Nov. 2, 2010.

Retention and Detention Pond Passive Nutrient Removal Material Mixes. US Patent 7897047 issued on March 4, 2011.

Passive Underground Drainfield for Septic Tank Nutrient Removal Using Special Functionalized Green Filtration Media. US Patent 7927484 issued on April 19, 2011.

Functionalized Green Filtration for Passive Underground Drainfield for Septic Tank Nutrient Removal. US Patent 7955507 issued on June 26, 2011.

Passive Nutrient Removal Material Mixes. US Patent 8002985 B1 issued on August 23, 2011.

Retention/Detention Pond Stormwater Treatment System. US Patent 8153005 B1 issued on August 23, 2011.

Green Sorption Media for Water Treatment. US Patent 8002984 B1 issued on August 10, 2012.

A Subsurface Upflow Wetland System for Nutrient and Pathogen Removal in Wastewater Treatment Systems. US Patent 8252182 B1, issued on August 28, 2012.