WJ

Wilhelm Jakobi

KG Krupp Koppers Gmbh: 5 patents #18 of 124Top 15%
Overall (All Time): #760,967 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6196483 Chaft cutter for comminuting haulm behind the grain-separator devices of a combine harvester 2001-03-06
5928080 Device for chopping the stalks after the ears of corn have been cut off in a combine harvester 1999-07-27
4704195 Method of reducing NO.sub.x component of flue gas in heating coking ovens, and an arrangement of coking oven for carrying out the method Johannes Janicka, Heinz Durselen, Gunter Meyer 1987-11-03
4456505 Coking oven with horizontal chambers for producing coke 1984-06-26
4438571 Arrangement for dry cooling of coke 1984-03-27
4370203 Cooling device for coke dry cooling Karl Schmid 1983-01-25
4342626 Cooling device for coke dry cooling Bernhard Heinrichs, Friedrich Jokisch 1982-08-03