MD ZWEEL RANA, “Offline diagnosis, monitoring and controlling system for residential air conditioner with smart mobile application.” Bangladesh Patent P/BD/2024/000195, June 2022

MD ZWEEL RANA, “A System and Method for Monitoring Working of Air Conditioners Via Interactive Visual Communication.” Bangladesh Patent P/BD/2022/000329, Oct. 2022

MD ZWEEL RANA, "Bangla Language-Based Offline Voice Control Air Conditioner," Bangladesh Patent P/BD/2022/000157, Apr. 2022.

MD ZWEEL RANA, "Offline Voice Control Air Conditioner." Bangladesh Patent P/BD/2021/000342, Oct. 2021.

MD ZWEEL RANA, "A method to use solar energy in Air Conditioner using hybrid model of solar energy along with grid power." Bangladesh Patent BD/P/2024/141, May 2024.

MD ZWEEL RANA, "Offline diagnosis, monitoring and controlling system for residential air conditioner with smart mobile application." Bangladesh Patent BD/P/2024/195, May 2024.

MD ZWEEL RANA, "An Artificial Intelligence-Powered Smart Residential Air Conditioner with Machine Learning-Based User Profiling for Adaptive Cooling with User-Specific Data Integration and Dynamic Operation" Bangladesh Patent P/BD/ 2025/55, Feb 2025.

MD ZWEEL RANA, "Interactive Air Conditioning System with Integrated Android Smart Display for Enhanced User Experience." Bangladesh Patent P/BD/ 2025/54, Feb 2025.