Patent assignee · CH · COMPANY

AVL AG

42Patents
0Active
42Granted
35Portfolio score

Filing activity: Mar 6, 1975 → May 30, 1990

Most-cited patents

PatentTitleAreaCited byStatus
US5097834A Process for determining parameters of interest in living organisms Emerging Cross-Sectional Technologies 589 Expired
US5080865A One-way measuring element Physics 133 Expired
US5114676A Optical sensor for determining at least one parameter in a liquid or gaseous sample Emerging Cross-Sectional Technologies 100 Expired
US4587101A Measuring device for determining the O.sub.2 content of a sample Physics 88 Expired
US4446872A Method and apparatus for determining systolic time intervals Human Necessities 76 Expired
US5039490A Sensor element for determination of concentration of substances Physics 64 Expired
US4755667A Sensor element for determination of concentration of substances Physics 56 Expired
US4910487A Bistable magnet Electricity 55 Expired
US4657736A Sensor element for determining the oxygen content and a method of preparing the same Emerging Cross-Sectional Technologies 50 Expired
US4568518A Sensor element for fluorescence-optical measurement Physics 45 Expired
US4580059A Method for fluorometric determination of the concentrations of substances in a sample and arrangement for implementing this method Emerging Cross-Sectional Technologies 28 Expired
US4632807A Optical sensor for fluorescence measurements Physics 27 Expired
US5108932A Process for the quantitative determination of at least one parameter of a liquid or gaseous sample Emerging Cross-Sectional Technologies 26 Expired
US4927603A Feeding device for introducing liquid or gaseous samples Physics 21 Expired
US4857472A Method for continuous quantitative detection of sulphur dioxide and an arrangement for implementing this method Emerging Cross-Sectional Technologies 20 Expired
US4892640A Sensor for the determination of electrolyte concentrations Physics 20 Expired
US4755684A Method for tumor diagnosis and arrangement for implementing this method Physics 20 Expired
US5066283A Device for the withdrawal and storage of individual fluid fractions lathered at given intervals Human Necessities 18 Expired
US5074157A Analyzing apparatus Physics 17 Expired
US5091800A Cover layer for optical ion sensors Emerging Cross-Sectional Technologies 16 Expired
US4705667A Analyzing apparatus for measuring liquid or gaseous samples Physics 16 Expired
US5217875A Method for detecting biological activities in a specimen and a device for implementing the method Emerging Cross-Sectional Technologies 16 Expired
US4529495A Measuring set-up with at least one sensor Physics 15 Expired
US4512953A Analyzing apparatus for the analysis of liquid samples Emerging Cross-Sectional Technologies 14 Expired
US4965087A Method of making a sensor element for fluorescence-optical measurements Physics 13 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.