Patent assignee · US · COMPANY

Beckman Instruments, Inc.

737Patents
0Active
737Granted
46Portfolio score

Filing activity: Mar 1, 1971 → Jun 3, 2003

Most-cited patents

PatentTitleAreaCited byStatus
US5302509A Method for sequencing polynucleotides Chemistry; Metallurgy 708 Expired
US3933593A Rate sensing batch analysis method Emerging Cross-Sectional Technologies 298 Expired
US5429807A Method and apparatus for creating biopolymer arrays on a solid support surface Chemistry; Metallurgy 258 Expired
US3960497A Chemical analyzer with automatic calibration Emerging Cross-Sectional Technologies 240 Expired
US5104621A Automated multi-purpose analytical chemistry processing center and laboratory work station Emerging Cross-Sectional Technologies 236 Expired
US4411890A Synthetic peptides having pituitary growth hormone releasing activity Emerging Cross-Sectional Technologies 227 Expired
US3971365A Bioelectrical impedance measuring system Human Necessities 220 Expired
US4965049A Modular analyzer system Emerging Cross-Sectional Technologies 196 Expired
US5904824A Microfluidic electrophoresis device Performing Operations; Transporting 164 Expired
US5807523A Automatic chemistry analyzer Emerging Cross-Sectional Technologies 155 Expired
US4018089A Fluid sampling apparatus Physics 146 Expired
US5312535A Capillary electrophoresis detection Physics 134 Expired
US4694861A Rotary pinch valve Emerging Cross-Sectional Technologies 129 Expired
US5108703A Automated multi-purpose analytical chemistry processing center and laboratory work station Emerging Cross-Sectional Technologies 117 Expired
US5125748A Optical detection module for use in an automated laboratory work station Physics 115 Expired
US5675155A Multicapillary fluorescent detection system Physics 112 Expired
US5853600A Axial spin blood separation system and method Emerging Cross-Sectional Technologies 102 Expired
US4908320A Analyzer operating method Emerging Cross-Sectional Technologies 100 Expired
US4142670A Chylomicron rotor Performing Operations; Transporting 94 Expired
US5428470A Modular system and method for an automatic analyzer Emerging Cross-Sectional Technologies 92 Expired
US5462854A Inverse linkage oligonucleotides for chemical and enzymatic processes Chemistry; Metallurgy 92 Expired
US5031797A Reagent storage and delivery system Physics 87 Expired
US4827197A Method and apparatus for overspeed protection for high speed centrifuges Emerging Cross-Sectional Technologies 84 Expired
US5139744A Automated laboratory work station having module identification means Physics 83 Expired
US5679309A Automated random access analyzer Emerging Cross-Sectional Technologies 83 Expired

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