Inventor · disambiguated record
Hans Matthiessen
Also filed as: MATTHIESSEN HANS
27 granted patents·3 pending applications·670 citations·filing 1981–2007
97Inventor score
Files withDRAEGERWERK AG15DRAEGER SAFETY AG & CO KGAA5DRAEGER MEDICAL AG4DRAEGER MEDICAL GMBH1DRAEGER SAFETY AG & CO KGAAM1
Top patents by PatentIndex Score
30 records- 0196US4499423ACircuit arrangement for correction of a sensor outputDRAEGERWERK AG·Filed 1981·Granted Feb 12, 1985·70 cites·5 claims
- 0289US6075444AArrangement for blocking the operation by an operator of a vehicle or a machineDRAEGER SICHERHEITSTECH GMBH·Filed 1998·Granted Jun 13, 2000·112 cites·12 claims
- 0388US5314605AMeasuring cell for electrochemically detecting a gasDRAEGERWERK AG·Filed 1992·Granted May 24, 1994·70 cites·9 claims
- 0485US7578293B2Compressed air respiratorDRAEGER SAFETY AG & CO KGAA·Filed 2006·Granted Aug 25, 2009·15 cites·3 claims
- 0583US4988429AMeasuring cell for an electrochemical gas sensorDRAEGERWERK AG·Filed 1990·Granted Jan 29, 1991·61 cites·7 claims
- 0682US5611908AMethod of operating and amperometric measuring cellDRAEGERWERK AG·Filed 1995·Granted Mar 18, 1997·66 cites·3 claims
- 0779US7941210B2Electroimpedance tomograph with common-mode signal suppressionDRAEGER MEDICAL GMBH·Filed 2006·Granted May 10, 2011·13 cites·21 claims
- 0879US7288943B2Electroimpedance tomograph with common-mode signal suppressionDRAEGER MEDICAL AG·Filed 2006·Granted Oct 30, 2007·21 cites·15 claims
- 0978US7584752B2Device and process for controlling a respiratorDRAEGER MEDICAL AG·Filed 2006·Granted Sep 8, 2009·20 cites·8 claims
- 1076US4423723AClosed cycle respirator with emergency oxygen supplyDRAEGERWERK AG·Filed 1982·Granted Jan 3, 1984·43 cites·6 claims
- 1174US7681573B2Compressed air respiratorDRAEGER SAFETY AG & CO KGAA·Filed 2006·Granted Mar 23, 2010·6 cites·20 claims
- 1274US4440166AElectrically and mechanically controllable closed cycle respiratorDRAEGERWERK AG·Filed 1982·Granted Apr 3, 1984·27 cites·8 claims
- 1372US5948962AGas detection system with interchangeable gas sensorsDRAEGERWERK AG·Filed 1998·Granted Sep 7, 1999·38 cites·8 claims
- 1468US7339669B2Device for the analysis of the qualitative composition of gasesDRAEGERWERK AG·Filed 2005·Granted Mar 4, 2008·4 cites·23 claims
- 1563US7268352B2Apparatus and method for determining the proportion of a substance in a gas sample using an infrared measuring instrumentDRAGERWERK ARTIENGESELLSCHAFT·Filed 2005·Granted Sep 11, 2007·3 cites·6 claims
- 1662US5093269AProcess and arrangement for determining at least one component of a test gasDRAEGERWERK AG·Filed 1987·Granted Mar 3, 1992·18 cites·4 claims
- 1760US8627820B2Device for supplying a patient with breathing gas and process for regulating a respiratorMATTHIESSEN HANS·Filed 2007·Granted Jan 14, 2014·4 cites·28 claims
- 1854US5092980AMeasuring apparatus for detecting gasesDRAEGERWERK AG·Filed 1991·Granted Mar 3, 1992·18 cites·5 claims
- 1953US7315754B2Electrode beltDRAEGER MEDICAL AG·Filed 2004·Granted Jan 1, 2008·13 cites·31 claims
- 2053US4833909AGas-sensing apparatusDRAEGERWERK AG·Filed 1988·Granted May 30, 1989·15 cites·4 claims
- 2152US7209036B2Device and process for guiding a person along a path traveledDRAEGER SAFETY AG & CO KGAA·Filed 2005·Granted Apr 24, 2007·2 cites·20 claims
- 2252US4663958AMethod for sensitizing and stabilizing the operating condition of a semiconductor gas sensor and a semiconductor gas sensor device thereforDRAEGERWERK AG·Filed 1986·Granted May 12, 1987·14 cites·8 claims
- 2350US6650417B2Optical absorption measuring instrumentDRAEGER SAFETY AG & CO KGAAM·Filed 2002·Granted Nov 18, 2003·1 cites·20 claims
- 2445US2004203169A1Device and process for determining the concentration of at least one gas component in a breathing gas mixtureFiled 2004·Application pending·0 cites
- 2544US7286863B2Device and process for putting an electrode carrier on a patientDRAEGER MEDICAL AG·Filed 2004·Granted Oct 23, 2007·2 cites·9 claims
- 2643US2006267790A1Modular system for electronic assembly units worn close to the bodyDRAEGER SAFETY AG & CO KGAA·Filed 2006·Application pending·0 cites
- 2743US2006270471A1Modular system for electronic assembly units worn close to the body and process for putting same into operationDRAEGER SAFETY AG & CO KGAA·Filed 2006·Application pending·0 cites
- 2838US4769218ATest tube with flame arrester for combustible gasesDRAEGERWERK AG·Filed 1987·Granted Sep 6, 1988·6 cites·6 claims
- 2933US5726906AMethod of determining the portion of an electrochemically convertible substance in a gas sampleDRAEGERWERK AG·Filed 1995·Granted Mar 10, 1998·5 cites·2 claims
- 3031US4707614ASelf-contained portable photoelectric gas measuring and warning apparatusDRAEGERWERK AG·Filed 1986·Granted Nov 17, 1987·3 cites·8 claims
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