Assignee
BECKMAN INSTRUMENTS INC
732 granted patents·25,909 citations·filing 1971–2003
Top patents by PatentIndex Score
732 records- 0198US5554501ABiopolymer synthesis using surface activated biaxially oriented polypropyleneBECKMAN INSTRUMENTS INC·Filed 1993·Granted Sep 10, 1996·244 cites·12 claims
- 0298US5429807AMethod and apparatus for creating biopolymer arrays on a solid support surfaceBECKMAN INSTRUMENTS INC·Filed 1993·Granted Jul 4, 1995·602 cites·21 claims
- 0398US4411890ASynthetic peptides having pituitary growth hormone releasing activityBECKMAN INSTRUMENTS INC·Filed 1981·Granted Oct 25, 1983·354 cites·48 claims
- 0498US3933593ARate sensing batch analysis methodBECKMAN INSTRUMENTS INC·Filed 1972·Granted Jan 20, 1976·442 cites·46 claims
- 0597US5807523AAutomatic chemistry analyzerBECKMAN INSTRUMENTS INC·Filed 1996·Granted Sep 15, 1998·196 cites·38 claims
- 0697US5104621AAutomated multi-purpose analytical chemistry processing center and laboratory work stationBECKMAN INSTRUMENTS INC·Filed 1989·Granted Apr 14, 1992·398 cites·36 claims
- 0796US5125748AOptical detection module for use in an automated laboratory work stationBECKMAN INSTRUMENTS INC·Filed 1991·Granted Jun 30, 1992·184 cites·19 claims
- 0896US4224316ASynthetic peptides having pituitary growth hormone releasing activityBECKMAN INSTRUMENTS INC·Filed 1979·Granted Sep 23, 1980·74 cites·19 claims
- 0996US3997420AAutomatic analyzerBECKMAN INSTRUMENTS INC·Filed 1975·Granted Dec 14, 1976·94 cites·3 claims
- 1095US5206568ACoordinated control of stepper motorsBECKMAN INSTRUMENTS INC·Filed 1991·Granted Apr 27, 1993·142 cites·12 claims
- 1195US4660151AMulticomponent quantitative analytical method and apparatusBECKMAN INSTRUMENTS INC·Filed 1983·Granted Apr 21, 1987·112 cites·11 claims
- 1295US4595661AImmunoassays and kits for use therein which include low affinity antibodies for reducing the hook effectBECKMAN INSTRUMENTS INC·Filed 1983·Granted Jun 17, 1986·127 cites·20 claims
- 1395US4444066AHigh pressure sample injector valveBECKMAN INSTRUMENTS INC·Filed 1981·Granted Apr 24, 1984·133 cites·6 claims
- 1495US4394069ALiquid crystal tuned birefringent filterBECKMAN INSTRUMENTS INC·Filed 1979·Granted Jul 19, 1983·82 cites·10 claims
- 1595US4385260ABargraph displayBECKMAN INSTRUMENTS INC·Filed 1975·Granted May 24, 1983·109 cites·11 claims
- 1695US4298570ATray section for automated sample handling apparatusBECKMAN INSTRUMENTS INC·Filed 1980·Granted Nov 3, 1981·80 cites·1 claims
- 1795US4189401AMethod of storing a biological reference control standard and biological reference control standard obtained therebyBECKMAN INSTRUMENTS INC·Filed 1978·Granted Feb 19, 1980·36 cites·10 claims
- 1895US4018089AFluid sampling apparatusBECKMAN INSTRUMENTS INC·Filed 1976·Granted Apr 19, 1977·181 cites·10 claims
- 1995US4003705AAnalysis apparatus and method of measuring rate of change of electrolyte pHBECKMAN INSTRUMENTS INC·Filed 1975·Granted Jan 18, 1977·78 cites·21 claims
- 2094US5675155AMulticapillary fluorescent detection systemBECKMAN INSTRUMENTS INC·Filed 1995·Granted Oct 7, 1997·160 cites·25 claims
- 2194US5583211ASurface activated organic polymers useful for location - specific attachment of nucleic acids, peptides, proteins and oligosaccharidesBECKMAN INSTRUMENTS INC·Filed 1994·Granted Dec 10, 1996·163 cites·10 claims
- 2294US5428470AModular system and method for an automatic analyzerBECKMAN INSTRUMENTS INC·Filed 1992·Granted Jun 27, 1995·146 cites·11 claims
- 2394US4912976ALiquid level sensing apparatusBECKMAN INSTRUMENTS INC·Filed 1987·Granted Apr 3, 1990·83 cites·23 claims
- 2494US4827197AMethod and apparatus for overspeed protection for high speed centrifugesBECKMAN INSTRUMENTS INC·Filed 1987·Granted May 2, 1989·109 cites·17 claims
- 2594US4399711AMethod and apparatus ensuring full volume pickup in an automated pipetteBECKMAN INSTRUMENTS INC·Filed 1980·Granted Aug 23, 1983·71 cites·4 claims
- 2694US4276141ASolid state ion selective electrodesBECKMAN INSTRUMENTS INC·Filed 1979·Granted Jun 30, 1981·38 cites·60 claims
- 2794US4226857ASynthetic peptides having pituitary growth hormone releasing activityBECKMAN INSTRUMENTS INC·Filed 1979·Granted Oct 7, 1980·54 cites·22 claims
- 2894US4142670AChylomicron rotorBECKMAN INSTRUMENTS INC·Filed 1978·Granted Mar 6, 1979·117 cites·5 claims
- 2993US5853600AAxial spin blood separation system and methodBECKMAN INSTRUMENTS INC·Filed 1997·Granted Dec 29, 1998·127 cites·40 claims
- 3093US5679309AAutomated random access analyzerBECKMAN INSTRUMENTS INC·Filed 1995·Granted Oct 21, 1997·106 cites·14 claims
- 3193US5496517ALaboratory workstation using thermal vaporization controlBECKMAN INSTRUMENTS INC·Filed 1991·Granted Mar 5, 1996·94 cites·21 claims
- 3293US5413686AMulti-channel automated capillary electrophoresis analyzerBECKMAN INSTRUMENTS INC·Filed 1992·Granted May 9, 1995·116 cites·56 claims
- 3393US5117870APinch valveBECKMAN INSTRUMENTS INC·Filed 1991·Granted Jun 2, 1992·78 cites·38 claims
- 3493US5108703AAutomated multi-purpose analytical chemistry processing center and laboratory work stationBECKMAN INSTRUMENTS INC·Filed 1991·Granted Apr 28, 1992·172 cites·9 claims
- 3593US5031797AReagent storage and delivery systemBECKMAN INSTRUMENTS INC·Filed 1990·Granted Jul 16, 1991·118 cites·11 claims
- 3693US4228156ASynthetic peptides having pituitary growth hormone releasing activityBECKMAN INSTRUMENTS INC·Filed 1979·Granted Oct 14, 1980·54 cites·11 claims
- 3793US4218197ACombined peristaltic pump and valve flow controllerBECKMAN INSTRUMENTS INC·Filed 1978·Granted Aug 19, 1980·63 cites·8 claims
- 3893US4158544AProcess for preparing a biological composition for use as a reference control in diagnostic analysisBECKMAN INSTRUMENTS INC·Filed 1978·Granted Jun 19, 1979·59 cites·10 claims
- 3993US4119120AFluid switchBECKMAN INSTRUMENTS INC·Filed 1976·Granted Oct 10, 1978·113 cites·3 claims
- 4093US4106671ALiquid head control systemBECKMAN INSTRUMENTS INC·Filed 1977·Granted Aug 15, 1978·65 cites·6 claims
- 4193US3960497AChemical analyzer with automatic calibrationBECKMAN INSTRUMENTS INC·Filed 1975·Granted Jun 1, 1976·292 cites·3 claims
- 4292US5462854AInverse linkage oligonucleotides for chemical and enzymatic processesBECKMAN INSTRUMENTS INC·Filed 1993·Granted Oct 31, 1995·289 cites·12 claims
- 4392US5428148AN4 - acylated cytidinyl compounds useful in oligonucleotide synthesisBECKMAN INSTRUMENTS INC·Filed 1992·Granted Jun 27, 1995·313 cites·5 claims
- 4492US5312535ACapillary electrophoresis detectionBECKMAN INSTRUMENTS INC·Filed 1992·Granted May 17, 1994·199 cites·58 claims
- 4592US5139744AAutomated laboratory work station having module identification meansBECKMAN INSTRUMENTS INC·Filed 1991·Granted Aug 18, 1992·156 cites·7 claims
- 4692US4965049AModular analyzer systemBECKMAN INSTRUMENTS INC·Filed 1989·Granted Oct 23, 1990·236 cites·13 claims
- 4792US4919595AFluid delivery system with deficit flow compensationBECKMAN INSTRUMENTS INC·Filed 1987·Granted Apr 24, 1990·104 cites·61 claims
- 4892US4900513ASample loading apparatusBECKMAN INSTRUMENTS INC·Filed 1989·Granted Feb 13, 1990·96 cites·18 claims
- 4992USD305360SFluid cartridge for an automated clinical chemical analyzerBECKMAN INSTRUMENTS INC·Filed 1986·Granted Jan 2, 1990·42 cites·1 claims
- 5092US4700117ACentrifuge overspeed protection and imbalance detection systemBECKMAN INSTRUMENTS INC·Filed 1985·Granted Oct 13, 1987·89 cites·8 claims
Showing the top 50 of 732 patent records by PatentIndex Score.
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