Method for electrolytic deposition of a phosphate layer on zinc surfaces
US-2025297402-A1 · Sep 25, 2025 · US
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Wolpers Michael patents
Wolpers Michael is listed as an inventor on 12 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Wolpers Michael |
| Total patents | 12 |
| First publication | Jul 9, 2015 |
| Latest publication | Sep 25, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Method for alkaline cleaning of zinc-magnesium-alloyed strip steel
US-2025084538-A1 · Mar 13, 2025 · US
Pretreating zinc surfaces prior to a passivating process
US-10227686-B2 · Mar 12, 2019 · US
Metal pretreatment compositions comprising silanes and organophosporus acids
US-10106689-B2 · Oct 23, 2018 · US
Metal pretreatment with acidic aqueous compositions comprising silanes
US-10053583-B2 · Aug 21, 2018 · US
Multistage pretreatment of tinplate prior to the coating thereof with lacquer
US-10011915-B2 · Jul 3, 2018 · US
Pretreatment of tinplate prior to the coating thereof with lacquer
US-9909227-B2 · Mar 6, 2018 · US
Passivating alkaline composition on the basis of water glass
US-9777165-B2 · Oct 3, 2017 · US
Metal Pretreatment With Acidic Aqueous Compositions Comprising Silanes
US-2016152838-A1 · Jun 2, 2016 · US
Metal pretreatment compositions comprising silanes and organophosporus acids
US-2016152837-A1 · Jun 2, 2016 · US
Recent patents
Latest publications not already listed above.
Electrolytic iron metallizing of zinc surfaces
US-9309602-B2 · Apr 12, 2016 · US
Passivating alkaline composition on the basis of water glass
US-2015191605-A1 · Jul 9, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Henkel Ag & Co Kgaa | 12 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C23C22/34 | 6 |
| C23C2222/20 | 6 |
| C23C22/73 | 4 |
| C23C22/361 | 4 |
| C23C22/78 | 3 |