Inventor

MATTHIESSEN HANS

DE27 patents

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

MATTHIESSEN HANS

DRAEGERWERK AG

Measuring cell for electrochemically detecting a gas

Measuring cell for an electrochemical gas sensor

Circuit arrangement for correction of a sensor output

Method of operating and amperometric measuring cell

Gas detection system with interchangeable gas sensors

Electrically and mechanically controllable closed cycle respirator

Closed cycle respirator with emergency oxygen supply

Gas-sensing apparatus

Method for sensitizing and stabilizing the operating condition of a semiconductor gas sensor and a semiconductor gas sensor device therefor

Process and arrangement for determining at least one component of a test gas

Measuring apparatus for detecting gases

Test tube with flame arrester for combustible gases

Self-contained portable photoelectric gas measuring and warning apparatus

Method of determining the portion of an electrochemically convertible substance in a gas sample

Device for the analysis of the qualitative composition of gases

DRAEGER MEDICAL AG

Electroimpedance tomograph with common-mode signal suppression

Device and process for controlling a respirator

Electrode belt

Device and process for putting an electrode carrier on a patient

DRAEGER SAFETY AG & CO KGAA

Compressed air respirator

Compressed air respirator

Device and process for guiding a person along a path traveled

DRAEGER SICHERHEITSTECH GMBH

Arrangement for blocking the operation by an operator of a vehicle or a machine

DRAEGER MEDICAL GMBH

Electroimpedance tomograph with common-mode signal suppression

MATTHIESSEN HANS

Device for supplying a patient with breathing gas and process for regulating a respirator

DRAGERWERK ARTIENGESELLSCHAFT

Apparatus and method for determining the proportion of a substance in a gas sample using an infrared measuring instrument

DRAEGER SAFETY AG & CO KGAAM

Optical absorption measuring instrument