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Powered Prosthetic Leg for Restoring Natural Locomotion and Mobility Across Tasks

Current passive prostheses are used to alleviate the effects of amputation, but they are limited in their ability to completely restore functionality because such mechanisms may only dissipate energy that the user introduces. In the case of above-knee amputees, many passive prosthetic devices aim to mimic normal walking conditions but typically leave...

Published: 5/20/2020 | Inventor(s): Robert Gregg, Toby Elery, Siavash Rezazadeh, Christopher Nesler

Keywords(s): Devices, Electronics, Energy Storage & Battery, Engineering & Physical Sciences, Healthcare, Life Sciences, Mechanical Systems, Medical, Medical Devices, Therapeutics

Category(s): Robotics

Compatibilized Immiscible Polymer Blends and Molecular Sieve Membranes

Non-Confidential Description: This invention describes novel nanostructured membranes for gas separations, comprising compatibilized, immiscible high performance co-polyimide (PI)/polybenzimidazole (PBI) blends. The compatibilizer used in this invention is a commercially available and inexpensive imidazole-based small molecule (SM). SEM images...

Published: 4/26/2019 | Inventor(s):

Keywords(s): Chemistry, Energy Storage & Battery, Engineering & Physical Sciences, Fuel Cells, Industrial & Manufacturing, Membrane, Polymers

Category(s): Materials

Biscrolling Nanopowders and Carbon Nanotube Sheets into Fibers, Yarns and Textiles

Non-Confidential Description:The technology is the first known method to spin biscrolled fibers/yarns from nanopowder materials using carbon nanotube (CNT) sheets as the host. Nanopowder materials (nanoparticles, nanofibers) are loaded onto the CNT sheets to form bi-layered sheets, which are then scrolled into fibers. A key advantage of this technology...

Published: 4/26/2019 | Inventor(s): Ray Baughman, Shaoli Fang, Marcio Lima, Raquel Robles, Xavier Lepro-Chavez, Mohammad Haque, Anvar Zakhidov, Chihye Lewis Azad, Javier Carretero-Gonzalez, Elizabet Castillo-Martinez, Carter Haines, David Novitski, Mikhail Kozlov

Keywords(s): Chemistry, Coatings, Drug Delivery, Electronics, Energy Storage & Battery, Engineering & Physical Sciences, Healthcare, Processes, Semiconductor, MEMS & Nanotechnology, Textiles

Category(s): Materials, Nanotechnology

Electrolyte-Free Charge Injection Tuning of Carbon Nanotube Sheets – Offering Novel Supercapacitor Technology

This invention utilizes bulk material property modification via hole or electron injection into conducting and porous materials including but not limited to carbon nanotubes. Bulk carbon nanotube (CNT) assemblies (sheets, rods, etc) can be charged electrochemically in an electrolyte bath. After the CNT sheet is charged (positively or negatively) in...

Published: 4/26/2019 | Inventor(s): Dong-Seok Suh, Ray Baughman, Anvar Zakhidov

Keywords(s): Carbon Nanotubes, Chemistry, Devices, Drug Delivery, Energy Storage & Battery, Engineering & Physical Sciences, Nanotechnology, Research Tools, Textiles

Category(s): Energy, Materials, Electronics