Inventor · disambiguated record
Yinfeng Shi
Also filed as: SHI YINFENG
1 granted patent·5 pending applications·1 citations·filing 2020–2024
17Inventor score
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6 records- 0171US12139690B2Simplified method for pretreating metal substrates for cold forming and reactive lubricant thereforCHEMETALL GMBH·Filed 2020·Granted Nov 12, 2024·1 cites·18 claims
- 0269US2024425775A1Simplified process for the pretreatment of metallic substrates for cold forming and a reactive lubricant for this purposeCHEMETALL GMBH·Filed 2024·Application pending·0 cites
- 0345US2024416637A1Medical paper production apparatus and production processJIANGSU PENGQING MEDICAL TECH CO LTD·Filed 2022·Application pending·0 cites
- 0439US2024166968A1One-step pretreatment method of metallic substrates at non-neutral ph values for metal cold formingCHEMETALL GMBH·Filed 2022·Application pending·0 cites
- 0538US2023091443A1One-step pretreatment method of metallic substrates for metal cold formingCHEMETALL GMBH·Filed 2021·Application pending·0 cites
- 0632US2023106175A1One-step pretreatment method of metallic substrates for metal cold formingCHEMETALL GMBH·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →