Assignee
GREENTECH ENV CO LTD
CN·11 granted patents·1 pending application·2 citations·filing 2019–2025
Top patents by PatentIndex Score
12 records- 0190US11772999B2System and method for treating reverse-osmosis concentrated water with high temporary hardnessGREENTECH ENV CO LTD·Filed 2023·Granted Oct 3, 2023·2 cites·12 claims
- 0268US12162783B2Saline wastewater treatment method and systemGREENTECH ENV CO LTD·Filed 2024·Granted Dec 10, 2024·0 cites·4 claims
- 0364US12486179B2Control method for delaying nanofiltration membrane aluminum fouling of water treatment systemGREENTECH ENV CO LTD·Filed 2025·Granted Dec 2, 2025·0 cites·8 claims
- 0464US12145869B2Hollow fiber nanofiltration membrane system and control method thereofGREENTECH ENV CO LTD·Filed 2024·Granted Nov 19, 2024·0 cites·5 claims
- 0563US12151210B2Method for controlling hollow fiber nanofiltration membrane system with controllable power consumptionGREENTECH ENV CO LTD·Filed 2024·Granted Nov 26, 2024·0 cites·4 claims
- 0662US12509374B2System and method for softening high-salinity water via self-induced calcium bicarbonate crystallization in fluidized bedGREENTECH ENV CO LTD·Filed 2025·Granted Dec 30, 2025·0 cites·9 claims
- 0761US11772995B2Total nitrogen removal device for sewage and method for operating the sameGREENTECH ENV CO LTD·Filed 2023·Granted Oct 3, 2023·0 cites·8 claims
- 0860US2026008705A1System and method for advanced defluorination of wastewaterGREENTECH ENV CO LTD·Filed 2025·Application pending·0 cites
- 0959US11760675B2System and method for treating printed circuit board (PCB) wastewaterGREENTECH ENV CO LTD·Filed 2023·Granted Sep 19, 2023·0 cites·5 claims
- 1055US11440819B2Dosing control method and system for micro-flocculation in ultrafiltrationGREENTECH ENV CO LTD·Filed 2022·Granted Sep 13, 2022·0 cites·6 claims
- 1153US12023628B2Drinking water purification system with a backwashable filter cartridge and a nanofiltration systemGREENTECH ENV CO LTD·Filed 2021·Granted Jul 2, 2024·0 cites·9 claims
- 1247US11046593B2System for treating reverse-osmosis concentrated water with permanent hardnessGREENTECH ENV CO LTD·Filed 2019·Granted Jun 29, 2021·0 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →