– Removal of nitrate from wastewater using bioelectrochemistry process fwith Steel. (Iranian patent No. 86082)

– Production of  microbial cellulose using industrial wastes. (Iranian patent No. 43632)

– Nitrate removal using denitrifying bacteria immobilized on microbial Cellulose. (Iranian patent No. 56861)

– Electroplating wastewater treatment. (Iranian patent No. 43631)

– Odor removal of wastewater treatment systems. (Iranian patent No. 38510392)

– Nitrate removal of  drinking water. (Iranian patent No. 38510391)

– Removal  wastewater color by organic polymers. (Iranian patent No. 38510390)

– Removal of mercury from dental wastewater by Algae. (Iranian patent No. 38403059)

– Removal of mercury from contaminated wastewater by microbial cellulose. (Iranian patent No. 38403060)

– Production of recombinant yeast with high biomass by genetical modification. (Iranian patent No. 38308021)

– Removal of  colour and chemichal oxygen Demend (COD) in  water base colour. (Iranian patent No. 38308020)

– Increase of ethanol production in recombinant Saccharomyces cerevisiae strain. (Iranian patent No. 38205125)