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Inventor

Hans Matthiessen

Inventor
Bad Schwartau, DE

Overview

29→
Patents
1984–2014
Patent span
Physics
Primary field (CPC G)

Patents· 29 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties33%
A61BDiagnosis12%
A62BDevices, apparatus or methods for life-saving8%
A61MDevices for introducing media into, or onto, the body6%
A61KPreparations for medical, dental or toiletry purposes4%
B63CLaunching, hauling-out, or dry-docking of vessels4%
C07KPeptides4%
G01DMeasuring not specially adapted for a specific variable4%
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons2%
A61NElectrotherapy2%
PatentTitleYear
8,627,820'Device for supplying a patient with breathing gas and process for regulating a respirator'20147,941,210'Electroimpedance tomograph with common-mode signal suppression'20117,681,573'Compressed air respirator'20107,584,752'Device and process for controlling a respirator'20097,578,293'Compressed air respirator'20097,339,669'Device for the analysis of the qualitative composition of gases'20087,315,754'Electrode belt'20087,288,943'Electroimpedance tomograph with common-mode signal suppression'20077,286,863'Device and process for putting an electrode carrier on a patient'20077,268,352'Apparatus and method for determining the proportion of a substance in a gas sample using an infrared measuring instrument'20077,209,036'Device and process for guiding a person along a path traveled'20076,974,792'Alpha 1-antitrypsin preparation as well as a method for producing the same'20056,650,417'Optical absorption measuring instrument'20036,395,880'Method for purification of antithrombin III using an anion exchanger'20026,075,444'Arrangement for blocking the operation by an operator of a vehicle or a machine'20005,948,962'Gas detection system with interchangeable gas sensors'19995,726,906'Method of determining the portion of an electrochemically convertible substance in a gas sample'19985,611,908'Method of operating and amperometric measuring cell'19975,314,605'Measuring cell for electrochemically detecting a gas'19945,093,269'Process and arrangement for determining at least one component of a test gas'19925,092,980'Measuring apparatus for detecting gases'19924,988,429'Measuring cell for an electrochemical gas sensor'19914,833,909'Gas-sensing apparatus'19894,769,218'Test tube with flame arrester for combustible gases'19884,707,614'Self-contained portable photoelectric gas measuring and warning apparatus'19874,663,958'Method for sensitizing and stabilizing the operating condition of a semiconductor gas sensor and a semiconductor gas sensor device therefor'19874,499,423'Circuit arrangement for correction of a sensor output'19854,440,166'Electrically and mechanically controllable closed cycle respirator'19844,423,723'Closed cycle respirator with emergency oxygen supply'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2008Patents assigned to DRAEGERWERK AG (15)· patent assignee history
1984–1992Based in Gross Parin, DE· patent location history
1991–2014Based in Bad Schwartau, DE· patent location history
2002–2005Patents assigned to BAXTER AG (2)· patent assignee history
2002–2005Based in Vienna, AT· patent location history
2007–2009Patents assigned to DRAEGER MEDICAL AG (4)· patent assignee history
2007–2010Patents assigned to DRAEGER SAFETY AG & CO KGAA (3)· patent assignee history
2011–2014Patents assigned to DRAEGER MEDICAL GMBH (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DRAEGERWERK AG151984–2008
DRAEGER MEDICAL AG42007–2009
DRAEGER SAFETY AG & CO KGAA32007–2010
BAXTER AG22002–2005
DRAEGER MEDICAL GMBH22011–2014
Locations
LocationPatentsSpan
Bad Schwartau, DE191991–2014
Gross Parin, DE81984–1992
Vienna, AT22002–2005