PATENTS
SK Tyagi and R. Goyal, Underground structures for vegetable storage for cold desert (In Process, 2024).
SK Tyagi, Alok Kumar, SP Parameswaran and Devershi Maurya, Smoke-free Jaggery production using agro- & agro-processing wastes Ref. No. FT/IDF/03/2025/15).
SK Tyagi, Agro-wastes biomass pellet-based cookstove cleaner than LPG stove (Ref. No. FT/IDF/03/2024/27).
SK Tyagi PR Chauhan and G. Raveesh, A Method for Developing Adsorbent from Sugarcane Bagasse for Sustainable Cooling and Atmospheric Water Harvesting (Ref. No. FT/IDF/02/2024/10).
 SK Tyagi, Himanshu, K Pal and Sanjeev Jain, Gasifier based biomass cookstove as clean as the LPG stove, Patent No. 579582 (granted on 30.01.2026).
SK Tyagi, Biomass pellet-based combustion devices, Patent No. 397919 (granted on 27.05.2022).