Lutz Kümmel
13Patents
1h-index
31Co-inventors
54Inventor score
Filing activity: May 9, 1997 → Dec 7, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6059903A | Method of cooling sectional girders | Performing Operations; Transporting | 8 | Expired |
| US11255009B2 | Method and coating device for coating a metal strip | Chemistry; Metallurgy | 1 | Active |
| US11241710B2 | Device and method for coating of a metallic strip substrate on one side and/or on both sides | Performing Operations; Transporting | 1 | Active |
| US12195838B2 | Vacuum-coating system and method for coating a band-type material | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12258649B2 | High-resistance steel strip comprising a temperature homogenisation chamber | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US7578155B2 | Wire-rolling stand and method of operating same | Performing Operations; Transporting | 0 | Active |
| US11975408B2 | Butt-joint deep penetration laser welding method | Performing Operations; Transporting | 0 | Active |
| US7340932B2 | Wire-rolling apparatus | Performing Operations; Transporting | 0 | Active |
| US11230749B2 | Method for operating an annealing furnace | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11850634B2 | Method and device for rinsing an overflow chamber at the bath-side end of a snout of a hot-dip coating device | Performing Operations; Transporting | 0 | Active |
| US11814722B2 | Vacuum-coating system, and method for coating a strip-type material | Performing Operations; Transporting | 0 | Active |
| US6315845A | Method of straightening sectional steel while simultaneously minimizing the internal stresses thereof | Chemistry; Metallurgy | 0 | Expired |
| US10982307B2 | Method for operating a coating device for coating a metal strip, and coating device | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.