P

Inventor

KUEHN FRIEDHELM

DE9 patents
⚠️ This page may combine multiple inventors who share the name “KUEHN FRIEDHELM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RUHRGAS AG

4 patents
US4545208AOct 8, 1985

Method of operating an industrial furnace

RUHRGAS AG11 citations71
US4508501AApr 2, 1985

Method of monitoring furnace installations

RUHRGAS AG15 citations71
US4612065ASep 16, 1986

Method for the heat treatment of workpieces

RUHRGAS AG2 citations60
US4596610AJun 24, 1986

Hardening metal parts

RUHRGAS AG5 citations60

LOI THERMPROCESS GMBH

3 patents
US5730930AMar 24, 1998

Method and device for exchanging the atmosphere in a hood-shaped annealing furnace

LOI THERMPROCESS GMBH7 citations68
US5830284ANov 3, 1998

Method and device for the heat treatment of workpieces

LOI THERMPROCESS GMBH1 citations49
US7588719B2Sep 15, 2009

Installation for the heat-treatment of parts

LOI THERMPROCESS GMBH0 citations38

LOI IND OFENANLAGEN

1 patent
US5443383AAug 22, 1995

Pusher type furnace for heat-treating charges

LOI IND OFENANLAGEN60 citations93

KUEHN FRIEDHELM

1 patent
US8298474B2Oct 30, 2012

Device and method for loading and unloading a heat treatment furnace

KUEHN FRIEDHELM2 citations50