Patent for New Technology ‘Polymer Based Pulley-Driven Centrifugal Pump’

Dr. A Ramarao, the Additional Project Coordinator for Samagra Shiksha, has been granted a Patent for 20-years by the Government of India for his groundbreaking innovation of the ‘Polymer Pulley-Driven Centrifugal Pump’. This patent was granted on March 4, 2025, and represents a major technological advancement in the field of mechanical engineering and in field of design of pump. The innovation is expected to revolutionize water pumping systems, offering a more sustainable and cost-effective solution for various applications in both rural and urban areas.

The Polymer Pulley-Driven Centrifugal Pump is a novel approach to pump design, incorporating polymer-based pulleys, which are lightweight, durable, and resistant to corrosion. In comparison of traditional metal pulleys, polymer materials offer distinct advantages, including reduced weight, lower maintenance requirements, and greater cost-effectiveness.

The Patent Details
The patent, awarded against the Application Number 202141035280, covers the unique design and operational features of the centrifugal pump system with polymer pulley. This invention is designed to be particularly effective in water pumping, where the need for a reliable, energy-efficient, and cost-effective pumping solution is paramount.

Key Features of the Polymer Pulley-Driven Centrifugal Pump:
Polymer-based Pulley
Corrosion Resistance
Cost-Effective Design
Energy Efficiency
Durability and Low Maintenance

Impact on Rural and Urban Water Systems
This patented Polymer Pulley-Driven Centrifugal Pump will address several challenges faced by rural and urban water systems in India. In rural areas, where access to reliable water sources is a significant concern, this invention will offer an affordable, low-maintenance solution for irrigation, drinking water supply, and sanitation. The lightweight nature of the pump also makes it easy to transport and install, particularly in remote locations.

For urban areas, the pump can be used in municipal water supply systems, wastewater treatment plants, and industrial applications where reliable and cost-effective pumping solutions are in high demand. Additionally, the polymer-based design makes the pump ideal for systems operating in areas where water quality may be an issue, as the corrosion resistance of the material ensures longevity even in challenging conditions.

A Significant Achievement for Samagra Shiksha
The grant of this patent is a significant achievement not only for Dr. Ramarao but also for Samagra Shiksha, a program aimed at improving the quality of education and infrastructure in India. The initiative focuses on integrating innovation with practical solutions that can benefit society, especially in the fields of education, technology, and sustainability.

Dr. Ramarao’s research and innovation are an excellent example of how scientific advancements can be applied to solve real-world problems, particularly in areas related to public infrastructure with low cost and high efficiency. Samagra Shiksha’s commitment to fostering research-driven solutions aligns with the broader goals of India’s national development, and the success of this patent is a testament to the program’s effectiveness.

The patent opens the door for further research and development in polymer-based pully systems. Dr. Ramarao and his team are already exploring ways to scale up the technology and bring it to market. In the coming months, collaborations with local manufacturers and industry players are expected to help commercialize the innovation, making it accessible to a broader audience.

As India continues to focus on water conservation and management, innovations like this pump can play a critical role in improving the efficiency of water use, reducing energy consumption, and ensuring a sustainable supply of water for both agricultural and industrial purposes.

Dr. A Ramarao’s award of a 20-year patent for the Polymer Pulley-Driven Centrifugal Pump marks a significant milestone in the field of sustainable engineering and water management technology. His dedication to developing cost-effective, energy-efficient, and durable systems has the potential to transform water pumping solutions across India, benefiting both rural and urban populations. This achievement underscores the importance of innovation in tackling some of India’s most pressing challenges and highlights the role of institutions like Samagra Shiksha in supporting research that can bring about meaningful change.

PAU has secured a Patent for new Maize Dryer technology

The Punjab Agricultural University (PAU) has secured a Patent No. 507172 for its innovative Portable Maize Dryer, a development is a ground breaking step for post-harvest processing in maize cultivation. This technology will replace traditional drying methods particularly in rural areas by the efficient grain drying solutions.

Development and Design

On the request of Punjab Secretary of Agriculture, PAU’s Department of Processing and Food Engineering embarked on designing a portable and efficient maize dryer. The project was led by Dr. Mahesh Kumar and Dr. Satish Kumar, with the support of Engineers from NU Tech Dairy, Ambala, under a Memorandum of Understanding (MoU) with PAU.

Technical Features

Capacity and Efficiency: The dryer can handle 3 tons of maize per batch, effectively reducing the moisture content of freshly harvested maize from 25% to 14%, ensuring safe storage.

Operational Flexibility: This dryer can be operated using a 35 HP tractor Power Take-Off (PTO) or a 15 kW electric power source, which makes it adaptable to various farming setups.

Heating Mechanism: This dryer is equipped with a three-pass indirect heating diesel-fired furnace, the dryer consumes 3-4 liters of diesel per hour.

Advanced Control Systems: This dryer has modern features to control the process including a Variable Frequency Drive (VFD) system, waste heat recovery unit, automated temperature control ranging from 50°C to 90°C, and a flame-based optical sensor, ensuring precision heating and enhanced energy efficiency.

The granting of this patent has enhanced the PAU’s commitment to advancing agricultural technology and supporting farmers with practical solutions that enhance productivity and sustainability in crop management.

Advanced rainwater harvesting technology Design registered in India

In a recent news, the Indian government has registered a design (431236-001) for an advanced rainwater harvesting system designed to address water scarcity and promote groundwater revival. This innovative model ensures effective rainwater harvesting and wastewater management, offering a sustainable solution for drought-prone regions.

The research behind this system was conducted by Dr. Ashok Divekar, Head of the Geography Department at Subhash Baburao Kul College, and Dr. Rajesh Survase, Professor of Geography at Eknath Sitaram Divekar College, Varvand. Their expertise in geography and hydrogeology was instrumental in developing the model. The Design is held under the names of Adv. Rahul Subhash Kool, Dr. Rajesh Bhaskar Survase, and Dr. Ashok Bhagwan Divekar.

This model is already implemented for piolet run at subhash Baburao Kul college, Daund Taluka. This system has already contributed in recharging the ground water in nearby area which encourage to expand it at various locations.

This development represents a significant advancement in water conservation efforts, providing a practical and effective method for rainwater harvesting that can be implemented in various regions to combat water scarcity.

Oral Biopsy Device technology Granted a Patent in USPTO

An automated oral biopsy device which is invented by a professor of Siksha ‘O’ Anusandhan (SOA) Deemed to be University in Bhubaneswar has been granted a Patent by United States patent office.
This device is pen-like shape and user-friendly, it simplifies the biopsy process, eliminating the need for extensive instrumentation and incorporating features like tele-screening and fiber-optic lighting.

This device enhance the accuracy and efficiency of oral disease diagnoses, particularly oral cancer, by enabling early detection and treatment without compromising expert opinion. Professor Mohanty had previously secured two Indian patents for the same product in 2023 and 2024, and a design patent in 2019. She filed for the U.S. patent in 2019, which was granted recently.
The research was funded by the Department of Science and Technology for prototype development, with support from Startup Odisha for need-based assistance. This innovation has garnered recognition, including the Global Outreach Dental Innovation Award in 2021, and was showcased at the Global Bio India 2024 in New Delhi.
This useful invention will help the patients immensely with early diagnosis and treatment of oral diseases without compromising on the expert opinion and reducing the burden of oral diseases, specially oral cancer.

UIET granted a patent for Multi Plant Transplanting technology

UIET Institute granted a patent for Multi Vegetable Transplanting. It will speed up the plant saplings by saving time, energy and money.
According to Prof. Sachdeva (Vice Chancellor), promoting research and research is their main priority. To promote innovation, entrepreneurship and self-employment, two incubation centers have also been established in UIET Institute. Research and innovation is the key solution to social problems including agriculture, business, science and technology.
This patent was applied in June 2023 by the team of Department of Mechanical Engineering. A team of 19 students from the Mechanical Department along with Dr. Sanjay Kajal, Dr. Sunil Nain, Dr. Anuradha, Dr. Upendra Dhull. The machine was also displayed at Mahatma Phule Agricultural University, Pune, Maharashtra for assessment and inspection purpose.
350 saplings can be planted in one go
In the agricultural sector, the work of planting saplings is done by hand, which takes more manpower and time. By using this machine a farmer sows in his field, he can adjust the distance from plant to plant and line to line in the machine as per his wish. This machine not only saves time and energy in planting trees but also saves money. The machine has technology of a transmission, Geneva and rotor mechanism, through which the distance can be set according to the need of the plant.
The space is provided for two trays, through which 350 plants can be planted at a time. This machine can transplant many plants like brinjal, tomato and chilli.