Search Results - zhiyong+(john)+wang

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Methods and Devices for Disinfecting Exhaust Air from Ventilators and Other Systems from Viruses and Bacteria Contamination

Apparatus that disinfects contaminated exhaust air from life support devices and air filtration devices. The Invention This apparatus disinfects contaminated air from one or more life support devices such as a ventilator, biPAP, ECMO or an air filtration device from a car, ship, plane, building. As the exhaust air flows through the device, a heat...

Published: 3/26/2024 | Inventor(s): Zhiyong (John) Wang, Jiulian Fu

Keywords(s): Life Science, Life Science - Biology, Life Science - Biotech, Life Science - Health, Med Devices, Diagnostics & Healthtech

Category(s): All

Mechanical Metamaterials for Ultra-Low Frequency Vibration Isolation

Background Vibration is one of the main causes of performance degradation of precision instruments, vibration noise, failure of structural parts, and human discomfort. In particular, the human body is most sensitive to vibrations in low frequency range especially for the wounded and newborn babies in transit. Thus, effective low-frequency vibration...

Published: 2/23/2023 | Inventor(s): Hanqing Jiang, Lingling Wu, Yong Wang, Qianxuan Wang

Keywords(s): Mechanical and Manufacturing

Category(s): Physical Science, Manufacturing/Construction/Mechanical

Mobile 3D Printing and Welding Techniques for Fixing Train Rail Wear and Damage On Site

Invention SummaryA device that uses 3D printing to fix railway wear/damage. The 3D printer moves directly along the railway, thus allowing for convenient, on-site repair. Using 3D print metal powders, the repair will have the same dimensions and type of material while retaining or enhancing the strength of the original segment. Market OpportunityAccording...

Published: 1/5/2023 | Inventor(s): Zhiyong (John) Wang, Hualiang (Harry) Teng, Seyed Mohamad Mortazavian

Keywords(s):

Category(s): All, Engineering & Manufacturing

Electrical Potential for Nano Manufacturing and Machining Difficult-To-Cut Materials

Electrical Potentials for Nano Manufacturing and Machining Difficult-To-Cut Materials Invention SummaryThe invention concerns devices and methods for machining materials. Such devices create an electrical potential between an electrode and a work piece. The electrical potential establishes an electrical field within the work piece which is expected...

Published: 1/4/2023 | Inventor(s): Zhiyong (John) Wang

Keywords(s):

Category(s): Engineering & Manufacturing

Plasma Treatment to Strengthen Diamonds

Invention SummaryThis invention is applicable to toughening diamonds-that is, to improvements in the wear resistance and/or hardness of natural or synthetic diamond. The treatment is an immersion of the diamond in a low-temperature plasma environment. The plasma cations penetrate into the diamond material. The small ion with an available reactive bond...

Published: 1/4/2023 | Inventor(s): Zhiyong (John) Wang, William Wang

Keywords(s):

Category(s): Engineering & Manufacturing, Energy & Environment, All

Plasma Treatment to Strengthen Diamonds

Invention SummaryThis invention is applicable to toughening diamonds—that is, to improvements in the wear resistance and/or hardness of natural or synthetic diamond. The treatment is an immersion of the diamond in a low-temperature plasma environment. The plasma cations penetrate into the diamond material. The small ion with an available reactive...

Published: 6/11/2015 | Inventor(s): Zhiyong Wang, William Wang

Keywords(s):

Category(s): Engineering & Manufacturing, Energy & Environment, All

A New Oxyma Derivative for Amide-Forming Reactions in Water

Reference: PD 12110Technical Field:Research Tool: Chemical ReagentBackground:In amide-forming reactions with R-amino acids, the use of a coupling additive such as benzotriazole derivatives [e.g., 1-hydroxy-7-azabenzotriazole (HOAt) and hydroxybenzotriazole (HOBt)] is essential to suppress racemization and improve the efficacy of peptide synthesis.Oxyma,...

Published: 9/23/2020 | Inventor(s): Michio Kurosu, Qinghui Wang, Yong Wang

Keywords(s): Chemical reagent, Peptide synthesis, Peptides, Research Tools and Reagents

Category(s): Chemistry & Materials