Hao Dang

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Dracut, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods and systems for treating phosphogypsum-containing water
- Patent number 12,351,497
- Issue date Jul 8, 2025
- Evoqua Water Technologies LLC
- Wenxin Du
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Methods and Systems for Treating Phosphogypsum-Containing Water
- Publication number 20230145108
- Publication date May 11, 2023
- Evoqua Water Technolgies LLC
- Wenxin Du
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
ACCELERATED SETTLEMENT OF FLOCS AFTER ELECTROCOAGULATION/ELECTROCHE...
- Publication number 20220388874
- Publication date Dec 8, 2022
- Evoqua Water Technologies LLC
- SIMON DUKES
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Methods and Systems for Treating Phosphogypsum-Containing Water
- Publication number 20220259085
- Publication date Aug 18, 2022
- Evoqua Water Technologies LLC
- Hao Dang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Methods and Systems for Treating Phosphogypsum-Containing Water
- Publication number 20220073393
- Publication date Mar 10, 2022
- Evoqua Water Technologies LLC
- Hao Dang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Methods and Systems for Treating Phosphogypsum-Containing Water
- Publication number 20210323852
- Publication date Oct 21, 2021
- Evoqua Water Technolgies LLC
- Wenxin Du
- C01 - INORGANIC CHEMISTRY