Inventor

LEMKEN KARL-HEINZ

DE2 patents

⚠️ This page may combine multiple inventors who share the name “LEMKEN KARL-HEINZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ISPEN INTERNAT GMBH

1 patent

US6428742B1Aug 6, 2002

Method for heat-treating metallic workpieces

ISPEN INTERNAT GMBH12 citations60

IPSEN INT GMBH

1 patent

US6794618B2Sep 21, 2004

Method for electrical heating of furnaces for heat treatment of metallic workpieces

IPSEN INT GMBH2 citations53