Ronald Kefferstein
18Patents
7h-index
6Co-inventors
59Inventor score
Filing activity: Aug 5, 1998 → Dec 12, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6564604B2 | Process for the manufacture of a part with very high mechanical properties, formed by stamping of a strip of rolled steel sheet and more particularly hot rolled and coated | Chemistry; Metallurgy | 49 | Expired |
| US8307680B2 | Coated steel strips, methods of making the same, methods of using the same, stamping blanks prepared from the same, stamped products prepared from the same, and articles of manufacture which contain such a stamped product | Emerging Cross-Sectional Technologies | 31 | Active |
| US8066829B2 | Process for manufacturing stamped products, and stamped products prepared from the same | Emerging Cross-Sectional Technologies | 11 | Active |
| US9708683B2 | Coated steel strips, methods of making the same, methods of using the same, stamping blanks prepared from the same, stamped products prepared from the same, and articles of manufacture which contain such a stamped product | Emerging Cross-Sectional Technologies | 11 | Active |
| US8440323B2 | Coated steel stamped product | Emerging Cross-Sectional Technologies | 9 | Active |
| US8733142B2 | Process for manufacturing stamped products, and stamped products prepared from the same | Emerging Cross-Sectional Technologies | 8 | Active |
| US6063447A | Process for treating the surface of metal parts | Emerging Cross-Sectional Technologies | 7 | Expired |
| US10550447B2 | Coated steel strips, coated stamped products and methods | Emerging Cross-Sectional Technologies | 3 | Active |
| US10590507B2 | Coated steel strips, coated stamped products and methods | Emerging Cross-Sectional Technologies | 1 | Active |
| US10597747B2 | Coated steel strips, coated stamped products and methods | Emerging Cross-Sectional Technologies | 1 | Active |
| US10577674B2 | Coated steel strips, coated stamped products and methods | Emerging Cross-Sectional Technologies | 1 | Active |
| US10961602B2 | Coated steel strips, coated stamped products and methods | Emerging Cross-Sectional Technologies | 1 | Active |
| US6447590B1 | Treatment composition based on pregelatinized starch and process for applying it to a metal, especially steel, surface | Chemistry; Metallurgy | 1 | Expired |
| US11326227B2 | Coated steel strips, coated stamped products and methods | Emerging Cross-Sectional Technologies | 1 | Active |
| US12012640B2 | Method of forming a hot stamped coated steel product | Emerging Cross-Sectional Technologies | 0 | Active |
| US6309697A | Composition for temporarily protecting metal components from corrosion, its processes of preparation and of application, and metal components obtained from this composition | Chemistry; Metallurgy | 0 | Expired |
| US11041226B2 | Coated steel strips, coated stamped products and methods | Emerging Cross-Sectional Technologies | 0 | Active |
| US11939643B2 | Coated steel strips, coated stamped products and methods | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.