Hycel, Inc.
26Patents
0Active
26Granted
33Portfolio score
Filing activity: Jun 7, 1974 → Aug 30, 1979
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4039288A | Automatic chemical testing apparatus incorporating improved conveyor system | Physics | 94 | Expired |
| US4043756A | Calibration in an automatic chemical testing apparatus | Emerging Cross-Sectional Technologies | 72 | Expired |
| US4061469A | Calibration in a blood analyzer | Physics | 56 | Expired |
| US3964867A | Reaction container | Physics | 41 | Expired |
| US4086631A | Hematocrit measurement in an automatic hematology analyzer | Physics | 39 | Expired |
| US4124894A | Apparatus and method for reporting detected error in a cardiac signal | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4070156A | Reagent dispensing system in an automatic chemical analyzer | Physics | 28 | Expired |
| US4236894A | Readout circuit in an automatic chemical testing apparatus | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4078895A | Sample dispensing system in an automatic chemical testing apparatus | Physics | 21 | Expired |
| USD245352S | Multichannel automated apparatus for analysis of chemical samples | General | 20 | Expired |
| US4068169A | Method and apparatus for determining hematocrit | Physics | 19 | Expired |
| US4039287A | Reaction conveyor assembly in an automatic chemical testing apparatus | Physics | 17 | Expired |
| US4115864A | Fail safe detector in a cardiac monitor | Human Necessities | 16 | Expired |
| US4166095A | Selective test selection and indicator means in an automatic chemical testing apparatus | Physics | 16 | Expired |
| US4167038A | Calculated parameter generation in a hematology parameter measurement apparatus | Physics | 14 | Expired |
| US3972683A | Fluid transfer apparatus | Performing Operations; Transporting | 12 | Expired |
| US4189536A | Reagent systems, enzymatic assays and compositions therefor | Chemistry; Metallurgy | 10 | Expired |
| USD250834S | Analysis station for multichannel automated apparatus for analysis of chemical samples | General | 10 | Expired |
| US4296373A | Hematology cell counting apparatus incorporating multiple transducers for sequential operation | Physics | 9 | Expired |
| US4229179A | Spectrophotometric measurement in a chemical testing apparatus | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4063309A | Mean corpuscular volume measuring apparatus and method | Physics | 7 | Expired |
| US4140488A | Sample liquid transfer means in an automatic chemical testing apparatus | Performing Operations; Transporting | 7 | Expired |
| US4052596A | Automatic hematology analyzer | Physics | 6 | Expired |
| US4229369A | Tris (hydroxymethyl) aminomethane salt of 2-mercaptosuccinic acid | Chemistry; Metallurgy | 5 | Expired |
| US4251768A | Coincidence correction of hematocrit in a hematology measurement apparatus | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.