Assignee
HELENA LAB CORP
US·101 granted patents·2,581 citations·filing 1975–2007
Top patents by PatentIndex Score
101 records- 0193US4341635AMicrochromatographic column and methodHELENA LAB CORP·Filed 1980·Granted Jul 27, 1982·80 cites·8 claims
- 0292US6417004B1Enhancing clot detection in activated clotting time and other fibrin endpoint based testsHELENA LAB CORP·Filed 2000·Granted Jul 9, 2002·74 cites·14 claims
- 0391US4810348AAutomatic electrophoresis apparatus and methodHELENA LAB CORP·Filed 1987·Granted Mar 7, 1989·87 cites·40 claims
- 0487US5196167AFecal occult blood test product with positive and negative controlsHELENA LAB CORP·Filed 1991·Granted Mar 23, 1993·82 cites·16 claims
- 0587US5081040AComposition and kit for testing for occult blood in human and animal excretions, fluids, or tissue matrixesHELENA LAB CORP·Filed 1989·Granted Jan 14, 1992·69 cites·20 claims
- 0687US4541987ATest pad for detecting occult bloodHELENA LAB CORP·Filed 1983·Granted Sep 17, 1985·47 cites·6 claims
- 0786US5879628ABlood coagulation system having a bar code reader and a detecting means for detecting the presence of reagents in the cuvetteHELENA LAB CORP·Filed 1997·Granted Mar 9, 1999·132 cites·25 claims
- 0885US4511533ATest kit for performing a medical testHELENA LAB CORP·Filed 1982·Granted Apr 16, 1985·47 cites·1 claims
- 0984US4986891AAutomatic electrophoresis apparatus and methodHELENA LAB CORP·Filed 1988·Granted Jan 22, 1991·54 cites·20 claims
- 1084US4934547ASpecimen collection container and non-removable coverHELENA LAB CORP·Filed 1988·Granted Jun 19, 1990·73 cites·3 claims
- 1184US4890247AAutomatic electrophoresis apparatus and methodHELENA LAB CORP·Filed 1988·Granted Dec 26, 1989·54 cites·2 claims
- 1284US4391689AAutomated electrophoresis and staining apparatus and methodHELENA LAB CORP·Filed 1981·Granted Jul 5, 1983·45 cites·30 claims
- 1383US5460709AAutomatic electrophoresis method and apparatusHELENA LAB CORP·Filed 1993·Granted Oct 24, 1995·42 cites·19 claims
- 1482US5254350AMethod of preparing a thromboplastin extractHELENA LAB CORP·Filed 1991·Granted Oct 19, 1993·41 cites·32 claims
- 1580US5391380AThromboplastin extract, reagent, and preparation thereofHELENA LAB CORP·Filed 1993·Granted Feb 21, 1995·40 cites·17 claims
- 1680US5217874AFecal occult blood test product with positive and negative controlsHELENA LAB CORP·Filed 1991·Granted Jun 8, 1993·56 cites·14 claims
- 1780US5147522AAutomatic electrophoresis apparatus and methodHELENA LAB CORP·Filed 1991·Granted Sep 15, 1992·55 cites·1 claims
- 1880US4827780AAutomatic pipetting apparatusHELENA LAB CORP·Filed 1987·Granted May 9, 1989·84 cites·32 claims
- 1978US4892639AElectrophoresis plate and method of making sameHELENA LAB CORP·Filed 1987·Granted Jan 9, 1990·39 cites·19 claims
- 2076US4742002ATest kit and method for determining the presence of blood in a specimen and for testing the effectiveness of peroxidase inactivating solutionHELENA LAB CORP·Filed 1984·Granted May 3, 1988·30 cites·12 claims
- 2176US4647541AMethod for performing an occult blood testHELENA LAB CORP·Filed 1985·Granted Mar 3, 1987·40 cites·3 claims
- 2274US6410337B1Method of platlet function analysis using platelet countHELENA LAB CORP·Filed 1997·Granted Jun 25, 2002·40 cites·14 claims
- 2373US4147606AClinical procedure for measuring lipoprotein triglyceridesHELENA LAB CORP·Filed 1978·Granted Apr 3, 1979·12 cites·12 claims
- 2472US6872572B2Method of platelet function analysis using platelet countHELENA LAB CORP·Filed 2001·Granted Mar 29, 2005·10 cites·12 claims
- 2572US5589063AColumn analyzer system and improved chromatograph column for use in the systemHELENA LAB CORP·Filed 1995·Granted Dec 31, 1996·26 cites·24 claims
- 2672US5400923AApparatus for discharging contents of a sealed containerHELENA LAB CORP·Filed 1990·Granted Mar 28, 1995·37 cites·20 claims
- 2772US4440724AComposition for detecting ketone bodies and method of preparationHELENA LAB CORP·Filed 1982·Granted Apr 3, 1984·24 cites·6 claims
- 2872US4360418AElectrophoresis and staining apparatusHELENA LAB CORP·Filed 1981·Granted Nov 23, 1982·26 cites·23 claims
- 2971US5185066AImmunofixation electrophoresis control systemHELENA LAB CORP·Filed 1992·Granted Feb 9, 1993·34 cites·31 claims
- 3067US5397026AMethod for discharging contents of a sealed containerHELENA LAB CORP·Filed 1993·Granted Mar 14, 1995·25 cites·3 claims
- 3167US4582685ATest kit for performing a medical testHELENA LAB CORP·Filed 1985·Granted Apr 15, 1986·29 cites·1 claims
- 3267US4502786AMethod and apparatus for automated determination of hemoglobin speciesHELENA LAB CORP·Filed 1979·Granted Mar 5, 1985·17 cites·17 claims
- 3366US5114033AApparatus for discharging contents of a sealed containerHELENA LAB CORP·Filed 1989·Granted May 19, 1992·24 cites·16 claims
- 3465US5273888AChemical test kit and method for determining the presence of blood in a specimen and for verifying the effectiveness of the chemicalsHELENA LAB CORP·Filed 1988·Granted Dec 28, 1993·23 cites·11 claims
- 3565US5228988AColumn analyzer system and improved chromatograph column for use in the systemHELENA LAB CORP·Filed 1991·Granted Jul 20, 1993·29 cites·6 claims
- 3665US5045164AElectrophoresis plate for diverting generated fluidHELENA LAB CORP·Filed 1990·Granted Sep 3, 1991·35 cites·12 claims
- 3764US5702913AChromgen-reagent test systemHELENA LAB CORP·Filed 1989·Granted Dec 30, 1997·22 cites·11 claims
- 3864US5512304AMethod of preparing a thromboplastin extractHELENA LAB CORP·Filed 1995·Granted Apr 30, 1996·17 cites·12 claims
- 3964US4811866AMethod and apparatus for dispensing liquidsHELENA LAB CORP·Filed 1987·Granted Mar 14, 1989·45 cites·9 claims
- 4063US6544395B1System for the application of samples on a substrateHELENA LAB CORP·Filed 1997·Granted Apr 8, 2003·24 cites·58 claims
- 4162US7062077B1Scanner densitometer and data evaluation methodHELENA LAB CORP·Filed 2000·Granted Jun 13, 2006·4 cites·21 claims
- 4262US5055271APump inserter for test tubesHELENA LAB CORP·Filed 1989·Granted Oct 8, 1991·22 cites·8 claims
- 4360US5846395AAutomatic electrophoresis method and apparatusHELENA LAB CORP·Filed 1997·Granted Dec 8, 1998·17 cites·9 claims
- 4460US5192501AMethod of formulating a test ink for a fecal occult blood test productHELENA LAB CORP·Filed 1989·Granted Mar 9, 1993·20 cites·19 claims
- 4560US4725553ATest composition for detecting occult bloodHELENA LAB CORP·Filed 1985·Granted Feb 16, 1988·19 cites·3 claims
- 4660US4257709AAutomatic blanking circuitHELENA LAB CORP·Filed 1979·Granted Mar 24, 1981·16 cites·12 claims
- 4758US5085758AContainer for electrophoretic gelHELENA LAB CORP·Filed 1991·Granted Feb 4, 1992·23 cites·12 claims
- 4858US4096825AApparatus for applying an organic liquid sampleHELENA LAB CORP·Filed 1977·Granted Jun 27, 1978·29 cites·9 claims
- 4957US7906183B2Process for manufacturing a flexible support for an electrophoretic mediumHELENA LAB CORP·Filed 2007·Granted Mar 15, 2011·0 cites·21 claims
- 5057US5697522ATest tube drop dispenserHELENA LAB CORP·Filed 1995·Granted Dec 16, 1997·21 cites·8 claims
Showing the top 50 of 101 patent records by PatentIndex Score.
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