Inventor
BERGENDAHL HANS-GEORG
DE9 patents
⚠️ This page may combine multiple inventors who share the name “BERGENDAHL HANS-GEORG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOEPPERN & CO KG MASCHF
8 patentsUS5666638ASep 9, 1997
Process for producing sponge iron briquettes from fine ore
KOEPPERN & CO KG MASCHF32 citations91
US5547357AAug 20, 1996
Apparatus for hot-briquetting iron sponge
KOEPPERN & CO KG MASCHF40 citations91
US5215765AJun 1, 1993
Iron sponge briquetting press
KOEPPERN & CO KG MASCHF9 citations72
US4123971ANov 7, 1978
Roller press for thermal compaction and thermal briquetting of loose materials
KOEPPERN & CO KG MASCHF12 citations72
US4925382AMay 15, 1990
Roller press for compacting fine-grained salts into sheets
KOEPPERN & CO KG MASCHF9 citations69
US4395944AAug 2, 1983
Two roll press
KOEPPERN & CO KG MASCHF14 citations69
US5376161ADec 27, 1994
Steel making process including transporting spong iron briquettes
KOEPPERN & CO KG MASCHF3 citations58
US4337023AJun 29, 1982
Roller press for compacting and briquetting of bulk material
KOEPPERN & CO KG MASCHF4 citations55