AVL AG

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5217875 Method for detecting biological activities in a specimen and a device for implementing the methodExpiredMar 29, 90Jun 08, 93[C12Q, C12M, G06K]
5164067 Measuring device for determining chemical parameters of an aqueous sampleExpiredOct 27, 89Nov 17, 92[G01N]
5128019 Device for measuring chemical and physical parameters of a liquid or gaseous mediumExpiredNov 16, 89Jul 07, 92[G01N]
5114676 Optical sensor for determining at least one parameter in a liquid or gaseous sampleExpiredJul 28, 89May 19, 92[C12M, G01N, G02B]
5108932 Process for the quantitative determination of at least one parameter of a liquid or gaseous sampleExpiredJul 31, 89Apr 28, 92[G01N]
5091800 Cover layer for optical ion sensorsExpiredJul 08, 88Feb 25, 92[G01N]
5080865 One-way measuring elementExpiredAug 08, 89Jan 14, 92[G01N]
5074157 Analyzing apparatusExpiredFeb 28, 90Dec 24, 91[G01N]
5066283 Device for the withdrawal and storage of individual fluid fractions lathered at given intervalsExpiredMar 08, 89Nov 19, 91[A61M]
5039490 Sensor element for determination of concentration of substancesExpiredApr 17, 87Aug 13, 91[G01N]
5032362 Analyzing apparatusExpiredJun 14, 88Jul 16, 91[G01N]
5032361 Feeding device for introducing liquid or gaseous samplesExpiredMay 30, 90Jul 16, 91[G01N]
5017339 Apparatus for measuring the components of a sampleExpiredMar 28, 89May 21, 91[G01N]
4965087 Method of making a sensor element for fluorescence-optical measurementsExpiredMar 23, 88Oct 23, 90[B05D, G01N]
4927603 Feeding device for introducing liquid or gaseous samplesExpiredJun 29, 88May 22, 90[G01N]
4917864 Device for feeding an analyzing apparatusExpiredMay 11, 88Apr 17, 90[G01N]
4912986 Device for the selective charging of an analysing apparatusExpiredNov 28, 88Apr 03, 90[G01N]
4910487 Bistable magnetExpiredJul 31, 89Mar 20, 90[H01F]
4892640 Sensor for the determination of electrolyte concentrationsExpiredJul 12, 88Jan 09, 90[G01N]
4857472 Method for continuous quantitative detection of sulphur dioxide and an arrangement for implementing this methodExpiredMay 25, 88Aug 15, 89[G01N]

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