• Indian Patent No. 559156 (Jan 30, 2025): Multifunctional mobility assistance device for children with Cerebral Palsy and Lower Limb Weakness (Sujatha Srinivasan, Rahul Bhamare, Dheeraj K Panicker, Aghil Prakash, Rajesh Kumar)

• US Patent No. 12,090,101 B2 (Sept 17, 2024) Extended Wheelchair and an Attachment Device for the Wheelchair (Swostik Sourav Dash, Vivek Sarda and Sujatha Srinivasan)

• Indian Patent No. 452352 (Sept 18, 2023): Attachment Mechanism to convert a Manual Wheelchair into a Tricycle or Motorized Wheelchair, Indian patent application no. 6952/CHE/2015 filed 18th December 2015 (Swostik Sourav Dash, Vivek Sarda and Sujatha Srinivasan).

• Indian Patent No. 442706 (August 3, 2023): Modular and portable plug-and-train robot for providing hand rehabilitation, Indian Patent Application no: 202141022805 filed 21st May 2021 (Aravind Nehrujee, Sujatha Srinivasan, Sivakumar Balasubramanian (CMC Vellore) )

• Indian Patent No. 429769 (April 24, 2023): A Walk-Chair with natural sit to stand motion for children with disabilities (Dr. Sujatha Srinivasan & Rahul Bhamare). Indian Patent Application No. 201941041488 filed 14 October 2019 

• Indian Patent No. 410191 (October 28, 2022): Supportive Walker with Integrated Seating Mechanism (Vivek Sarda, Swostik Sourav Dash and Dr. Sujatha Srinivasan). Indian patent application no. 201741019287 filed 1st June 2017.

• Indian Patent No. 376689 (September 20, 2021): Easy to Use Portable Standing Wheelchair With Safety Feature and for Outdoor Use (Vivek Sarda, Swostik Dash and Sujatha Srinivasan). Indian Patent Application No. 201741019125 filed 31 May 2017.

• Indian Patent No. 368005 (May 30, 2021): Hybrid Manual Electric Wheelchair (Sripriya Kalidoss, Karthikeyan SD, Vivek Sarda and Sujatha Srinivasan). Indian patent application no.1067/CHE/2015 filed 5th March 2015.

• Indian Patent No. 354473 (Dec 24, 2020): Method and Apparatus for Measuring Spatiotemporal Parameters for Gait and Movement Analysis (Gunjan Patel, Dr. Rajdeep Ojha (CMC Vellore) and Sujatha Srinivasan). Indian Patent Application no. 201841006227 filed 19th February 2018.

• Indian Patent No. 352476 (November 27, 2020): Safe Clip-on Attachment to Convert Wheelchair into an Outdoor Vehicle (Swostik Sourav Dash, Vivek Sarda  and Sujatha Srinivasan). Indian patent application no. 201841027569 filed 23rd July 2018.

• Indian Patent No. 351385 (November 11, 2020): A Multi-position Wheelchair (Harshal Chaudhari and Sujatha Srinivasan). Indian patent application no. 4806/CHE/2012 filed 19th November 2012. 

• Indian Patent No. 350469 (October 29, 2020): Body Movement Based Training and Mobility Device (Vivek Sarda, Anil Prabhakar (EE), Namita Jacob (Chetana Charitable Trust), T A Simy (Vidya Sagar), and Sujatha Srinivasan). Indian patent application no. 5352/CHE/2013 filed 20th November 2013.

• US Patent 10,765, 574 B2 (September 08, 2020): Easy to Use Portable Manual Standing Wheelchair with Safety Features and for Outdoor Use (Vivek Sarda, Swostik Sourav Dash and Sujatha Srinivasan). US patent application no. 16/337,756 filed 28 March 2019. 

• Indian Patent No. 342114 (July 21, 2020) Swimming Pool Lift for Physically Challenged (Swostik Sourav Dash and Sujatha Srinivasan). Indian patent application no. 3045/CHE/2013 filed 8th July 2013.

• Indian Patent No. 338006 (June 05, 2020): A Prosthetic Knee for Uneven Terrain (TS Anand and Sujatha Srinivasan). Indian patent application no. 6025/CHE/2014 filed 1st Dec 2014.

• Indian Patent No. 332195 ( Feb 17, 2020): Flexlock for Tri-state KAFO (Ganesh Bapat and Sujatha Srinivasan). Indian patent application no. 2976/CHE/2015  filed 15th June 2015.

• Indian Design Patent no. 290751 (Dec 29, 2017): Lever operated knee joint for orthosis and prosthesis (Ganesh Bapat, Muthuvishvashwaran and Sujatha Srinivasan). Application filed 10th Feb 2017.

• Indian Design Patent no. 294291 (Jul 03, 2017): Portable manual standing wheelchair (Vivek Sarda, Swostik Dash and Sujatha Srinivasan). Application filed 31st May 2017.

• Indian Design Patent no. 290752 (Apr  07, 2017): Lever operated knee joint for orthosis and prosthesis (Ganesh Bapat, Muthuvishvashwaran and Sujatha Srinivasan). Application filed 10th Feb 2017.

Patents of Sujatha Srinivasan prior to her time at IIT Madras

• EP 1187583B1 (July 27, 2005): Prosthetic foot having shock absorption (with J. Doddroe, R. Arbogast, J. Colvin, J. Capper)

• US 6,863,695 (March 5, 2005): Prosthetic foot having shock absorption (with J. Doddroe, R. Arbogast, J. Colvin, J. Capper)

• EP 09555962B1 (September 22, 2004): Knee mechanism for an artificial limb (with J. E. Cooper, R. Arbogast, J. Kinsinger)

• US 6,602,295 (August 5, 2003): Prosthetic foot having shock absorption (with J. Doddroe, R. Arbogast, J. Colvin, J. Capper)

• US 6,290,730 (September 18, 2001): Artificial foot and ankle (with M. Pitkin, J. Hays, J. Colvin)

• US 5,800,567 (September 1, 1998): Knee mechanism for an artificial limb (with J. E. Cooper, R. Arbogast, J. Kinsinger)

• US 5,800,563 (September 1, 1998): Impact reducing prosthetic pylon (with R. Arbogast, E. Bartkus, J. Colvin)

• GB 2307415B (August 12, 1998): Knee joint mechanism for knee disarticulation prosthesis (with S. Kramer, V. Swanson)

• US 5,746,774 (May 5, 1998): Knee joint mechanism for knee disarticulation prosthesis (with S. Kramer, V. Swanson)

• Foldable multifunctionality mobility assistance device. Indian Patent application no: 202443038909 filed 17th May 2024 (Sujatha Srinivasan, Rahul Bhamare, Dheeraj K Panicker, Aghil Prakash, Rajesh Kumar)

• Wheel with built-in suspension. Indian Provisional Patent application no: 202441035116 filed 3 May 2024 (Sujatha Srinivasan, Yash Dhirendra Tote)

• Wheel. Design Patent no. 417297-001 filed May 17, 2024 (Sujatha Srinivasan, Yash Dhirendra Tote)

• Smart Powered Prosthetic Ankle incorporating Magnetorheological Damper. Indian Patent application no. 202441049472 filed June 27, 2024 (Sujatha Srinivasan, Sujatha Chandramohan, Sachin Kumar)

• System for optimizing power transmission in smart powered prosthetic ankle and method thereof. Indian Patent application no. 202441049478 filed Jun 27, 2024 (Sujatha Srinivasan, Sujatha Chandramohan, Sachin Kumar)

• Variable Stiffness Rotary Series Elastic Actuator. Design Patent application no. 431902-001 filed Sep 27, 2024 (Mittapally Sandeep Reddy, Sujatha Srinivasan, Sourav Rakshit)

• Variable Stiffness Rotary Series Elastic Actuator. Indian Patent application no. 202441073013, files Sep 27, 2024 (Mittapally Sandeep Reddy, Sujatha Srinivasan, Sourav Rakshit)

• Design registrations for Prosthetic Foot. Application nos. 398204-001 to 398211-001 filed 11th Oct 2023 (T M Balaramakrishnan, Dharmesh Joshi, Sujatha Srinivasan)

• Biomechanically optimal Prosthetic Foot employing an Elliptic Keel Geometry, Indian Patent no: 202341072100 filed 21st Oct 2023 (TM Balaramakrishnan, Dharmesh Joshi, Sujatha Srinivasan)

• Design applications for Easy operable orthotic knee joint using a cable, No. 394448-001 and 394449-001 filed 7th Sep 2023 (Vivek Sarda, S Vigneshwar, Sujatha Srinivasan)

• A modular power assist for wheelchairs that doubles as a scooter board for non-wheelchair users, Indian Patent no: 202341052017 filed 2nd Aug 2023 (Manish Anand, Justin Jesudas, Rejin Varghese, Sashank Allu, Sujatha Srinivasan)

• A powered wheels-based complete exercise station for wheelchairs, Indian Patent no: 202341052016 filed 2nd Aug 2023 (Manish Anand, Justin Jesudas, Rejin Varghese, Sashank Allu, Sujatha Srinivasan)

• Fully automated docking of power assistance for a wheelchair, Indian Patent no: 202341052015 filed 2nd Aug 2023 (Manish Anand, Justin Jesudas, Rejin Varghese, Sashank Allu, Sujatha Srinivasan)

• A single-DOF Mobile Arm Support for Assistive applications (MARS), Indian Patent Application no: 202341031441 filed 3rd May 2023 (Prem Kumar, Aravind Nehrujee, Sivakumar Balasubramanian (CMC Vellore) and Sujatha Srinivasan)

• Method and portable rehabilitation robot for providing therapy to human limb, Indian Patent Application no. 201941020733 filed 24th May 2019 (Sandeep Guguloth and Sivakumar Balasubramanian (CMC Vellore) and Sujatha Srinivasan).

• Easy to Use Portable Manual Standing Wheelchair with Safety Features and for Outdoor Use, CHINA patent application no. 201880004763X from PCT/IN2018/050305 filed 31 May 2019 (Vivek Sarda, Swostik Sourav Dash and Sujatha Srinivasan)

• Semi-flexion Orthotic Knee, Indian patent application no. 3088/CHE/2013 filed 10th July 2013 (Rohith Mittapalli, Sushant Veer and Sujatha Srinivasan).

• Tactograph, Indian patent application no. 4091/CHE/2011 filed 28th November 2011 (Sushant Veer, Rohith Mittapalli, Vishwanath Saragadam, Anil Prabhakar, Nitin Chandrachoodan and Sujatha Srinivasan)