Joerg Riesop
13Patents
3h-index
20Co-inventors
60Inventor score
Filing activity: Apr 28, 1989 → Aug 21, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5207840A | Process for preparing zinc phosphate coatings containing manganese and magnesium | Chemistry; Metallurgy | 12 | Expired |
| US5976272A | No-rinse phosphating process | Chemistry; Metallurgy | 7 | Expired |
| US4957568A | Composition and process for activating metal surfaces prior to zinc phosphating and process for making said composition | Chemistry; Metallurgy | 5 | Expired |
| US6346295B1 | Alkaline strip passivation | Chemistry; Metallurgy | 3 | Expired |
| US9512524B2 | Can pretreatment for improved coat adhesion | Performing Operations; Transporting | 3 | Active |
| US6461450B1 | Method for controlling the coating weight for strip-phosphating | Chemistry; Metallurgy | 3 | Expired |
| US9771493B2 | Can pretreatment for improved coating adhesion | Performing Operations; Transporting | 3 | Active |
| US5312492A | Process not using chlorate or nitrite for the production of nickel and manganese containing zinc phosphate films | Chemistry; Metallurgy | 3 | Expired |
| US5516372A | Process for phosphating steel strip galvanized on one side | Chemistry; Metallurgy | 2 | Expired |
| US5372656A | Process for producing manganese-containing zinc phosphate coatings on galvanized steel | Chemistry; Metallurgy | 2 | Expired |
| US6537387B1 | Corrosion protection for galvanized and alloy galvanized steel strips | Chemistry; Metallurgy | 1 | Expired |
| US11142827B2 | Fluoride-free zirconium-based metal pre-treatment for passivation | Chemistry; Metallurgy | 0 | Active |
| US10870923B2 | Can pretreatment for improved coat adhesion | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.