Dr. Ghangrekar had filed Indian patents on
- Das, I., Ghangrekar, M.M. In situ microbial fuel cell based waste water treatment system. Provisional Patent Application No.: 201831031356 and dated August 21, 2018. Patent No. IN201831031356A published on 28-02-2020. Das Indrasis | Ghangrekar Makarand Madhao.
- Enhancing organic matter removal from malt based distillery wastewater by Aspergillus awamori pretreatment, for Chitosan recovery, and electricity recovery in microbial fuel cell. Indian Patent Application No.: 822/KOL/2014 dated August 4, 2014. Patent No. IN201400822I2. Published 2016-08-26. RAY Sreemoyee Ghosh | Ghangrekar Makarand Madhao.
- A system for simultaneous treatment of wastewater and wastegas using a microbial carbon capture cell reactor. Indian Patent Application No.: 0471/KOL/2015 dated April 28, 2015.
- Anode, Cathode and Separator in Microbial Fuel Cell (MFC) for Treatment of Wastewater and Electricity Generation. Provisional Patent filed in March 2014.
- Fabrication of Low Cost Microbial fuel cell using Earthen pot as a proton exchange material. Patent application No. 1198/KOL/2009 date 24/09/2009. Patent No. IN200901198I2. Published 2013-06-28. Ghangrekar Makarand Madhao | Behera Manaswini | Jana Partha Sarathi.
- Earthen material based cathode separator assembly for bioelectrochemical system. Provisional Patent application No. 805/KOL/2013. Date 05/07/2013.
- Development of cost effective membrane cathode assembly for a single chambered microbial fuel cell. Indian Patent Application No.: 1302/KOL/2013 dated 14/09/2013. Inventors: Soumya Pandit, Shantimoyi Khilari, D. Das, M.M. Ghangrekar, D. Pradhan.
- Yellow laccase mediated delignification of Lignocellulosic biomass. Provisional Indian Patent file No. 201631005954.