Inventor · disambiguated record
Guanghua Feng
Also filed as: FENG GUANGHUA
1 granted patent·3 pending applications·0 citations·filing 2022–2024
12Inventor score
Technology areasF16K
Files withZHEJIANG DUNAN ARTIFICIAL ENV CO LTD4
Top patents by PatentIndex Score
4 records- 0147US2025109799A1Stop valveZHEJIANG DUNAN ARTIFICIAL ENV CO LTD·Filed 2024·Application pending·0 cites
- 0245US2024376992A1Stop valve and refrigeration system having sameZHEJIANG DUNAN ARTIFICIAL ENV CO LTD·Filed 2024·Application pending·0 cites
- 0337US2025020219A1Stop Valve, Machining Method and Assembly MethodZHEJIANG DUNAN ARTIFICIAL ENV CO LTD·Filed 2022·Application pending·0 cites
- 0432USD1089544SPart of cut-off valveZHEJIANG DUNAN ARTIFICIAL ENV CO LTD·Filed 2024·Granted Aug 19, 2025·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →