Inventor

DOHLE HELMUT

DE4 patents

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

OTTO & CO GMBH DR C

1 patent

US4564420AJan 14, 1986

Coke oven battery

OTTO & CO GMBH DR C69 citations89

BERGWERKSVERBAND GMBH

1 patent

US5395485AMar 7, 1995

Reactor chamber door for large-scale coking reactors

BERGWERKSVERBAND GMBH8 citations69

FRIEDRICHS MANFRED

1 patent

US9505983B2Nov 29, 2016

Adjustable charging hole closure for charging the coking oven chambers of a coking oven battery

FRIEDRICHS MANFRED2 citations51

KOCHANSKI ULRICH

1 patent

US8529734B2Sep 10, 2013

Wall protector for a heating wall head between two oven chamber openings of a coke oven battery

KOCHANSKI ULRICH0 citations40