Assignee
QUIDEL CORP
US·80 granted patents·32 pending applications·3,960 citations·filing 1988–2024
Top patents by PatentIndex Score
112 records- 0197US7553675B2Diagnostic assay device having an apparent non-signal lineQUIDEL CORP·Filed 2007·Granted Jun 30, 2009·57 cites·17 claims
- 0297US7491551B2Quantitative lateral flow assays and devicesQUIDEL CORP·Filed 2006·Granted Feb 17, 2009·38 cites·21 claims
- 0397US6855561B2Method for adding an apparent non-signal line to a lateral flow assayQUIDEL CORP·Filed 2001·Granted Feb 15, 2005·136 cites·18 claims
- 0496US9207241B2Devices for the detection of multiple analytes in a sampleQUIDEL CORP·Filed 2014·Granted Dec 8, 2015·29 cites·18 claims
- 0596US6924153B1Quantitative lateral flow assays and devicesQUIDEL CORP·Filed 1997·Granted Aug 2, 2005·160 cites·4 claims
- 0696US5763262AImmunodiagnostic deviceQUIDEL CORP·Filed 1992·Granted Jun 9, 1998·249 cites·1 claims
- 0796US5415994ALateral flow medical diagnostic assay device with sample extraction meansQUIDEL CORP·Filed 1993·Granted May 16, 1995·383 cites·21 claims
- 0895US9207181B2System and apparatus for point-of-care diagnosticsQUIDEL CORP·Filed 2013·Granted Dec 8, 2015·23 cites·22 claims
- 0995US7537937B2Lateral flow assay deviceQUIDEL CORP·Filed 2007·Granted May 26, 2009·24 cites·10 claims
- 1095US7144742B2Quantitative lateral flow assays and devicesQUIDEL CORP·Filed 2004·Granted Dec 5, 2006·65 cites·21 claims
- 1195US6656744B2One-step lateral flow assaysQUIDEL CORP·Filed 2000·Granted Dec 2, 2003·119 cites·6 claims
- 1294US8030091B2Method for adding an apparent non-signal line to a rapid diagnostic assayQUIDEL CORP·Filed 2009·Granted Oct 4, 2011·17 cites·13 claims
- 1394US6306642B1Enzyme substrate delivery and product registration in one step enzyme immunoassaysQUIDEL CORP·Filed 1997·Granted Oct 23, 2001·136 cites·4 claims
- 1494US5939331ARed blood cell separation means for specific binding assaysQUIDEL CORP·Filed 1993·Granted Aug 17, 1999·141 cites·11 claims
- 1594US5766961AOne-step lateral flow nonbibulous assayQUIDEL CORP·Filed 1993·Granted Jun 16, 1998·208 cites·21 claims
- 1693US9989466B2Method for reducing analyzer variability using a normalization targetQUIDEL CORP·Filed 2014·Granted Jun 5, 2018·12 cites·19 claims
- 1793US7691644B2Devices for the detection of multiple analytes in a sampleQUIDEL CORP·Filed 2008·Granted Apr 6, 2010·41 cites·26 claims
- 1893US5770460AOne-step lateral flow nonbibulous assayQUIDEL CORP·Filed 1995·Granted Jun 23, 1998·272 cites·11 claims
- 1993US5686315AAssay device for one step detection of analyteQUIDEL CORP·Filed 1994·Granted Nov 11, 1997·145 cites·15 claims
- 2092US5786220AAssays and devices for distinguishing between normal and abnormal pregnancyQUIDEL CORP·Filed 1995·Granted Jul 28, 1998·140 cites·19 claims
- 2191US11846637B2Immunoassay test device with two fluid flow paths for detection and differentiation of two or more analytesQUIDEL CORP·Filed 2021·Granted Dec 19, 2023·2 cites·30 claims
- 2291US11783563B2Software and algorithms for use in remote assessment of disease diagnosticsQUIDEL CORP·Filed 2021·Granted Oct 10, 2023·5 cites·28 claims
- 2391US6706539B2Enzyme substrate delivery and product registration in one step enzyme immunoassaysQUIDEL CORP·Filed 2001·Granted Mar 16, 2004·38 cites·3 claims
- 2491US5773234AMethod and device for chlamydia detectionQUIDEL CORP·Filed 1995·Granted Jun 30, 1998·134 cites·14 claims
- 2590US12345700B2Device for whole blood separationQUIDEL CORP·Filed 2023·Granted Jul 1, 2025·1 cites·20 claims
- 2690US8617486B2Analytical devices with integrated desiccantQUIDEL CORP·Filed 2013·Granted Dec 31, 2013·35 cites·10 claims
- 2789US7871568B2Rapid test apparatusQUIDEL CORP·Filed 2007·Granted Jan 18, 2011·50 cites·12 claims
- 2889US7226793B2Method for adding an apparent non-signal line to a lateral flow assayQUIDEL CORP·Filed 2003·Granted Jun 5, 2007·24 cites·32 claims
- 2989US7179657B2Method for adding an apparent non-signal line to a rapid diagnostic assayQUIDEL CORP·Filed 2002·Granted Feb 20, 2007·25 cites·19 claims
- 3089US5541069AAssay having improved dose response curveQUIDEL CORP·Filed 1992·Granted Jul 30, 1996·114 cites·28 claims
- 3189US5434057ASperm motility assay and devicesQUIDEL CORP·Filed 1994·Granted Jul 18, 1995·75 cites·27 claims
- 3288US11131670B2Immunoassay test device with two fluid flow paths for detection and differentiation of two or more analytesQUIDEL CORP·Filed 2016·Granted Sep 28, 2021·4 cites·14 claims
- 3388US10845300B2Method for reducing analyzer variability using a normalization targetQUIDEL CORP·Filed 2019·Granted Nov 24, 2020·2 cites·14 claims
- 3488US5424193AAssays employing dyed microorganism labelsQUIDEL CORP·Filed 1993·Granted Jun 13, 1995·80 cites·34 claims
- 3587US11131666B2System and apparatus for point-of-care diagnosticsQUIDEL CORP·Filed 2019·Granted Sep 28, 2021·2 cites·14 claims
- 3687US10908145B2Device for whole blood separationQUIDEL CORP·Filed 2017·Granted Feb 2, 2021·5 cites·20 claims
- 3787US7794656B2Device for handling and analysis of a biological sampleQUIDEL CORP·Filed 2008·Granted Sep 14, 2010·78 cites·25 claims
- 3887US5521102AControlled sensitivity immunochromatographic assayQUIDEL CORP·Filed 1994·Granted May 28, 1996·121 cites·29 claims
- 3986USD606664SAssay device and housing combinedQUIDEL CORP·Filed 2008·Granted Dec 22, 2009·37 cites·1 claims
- 4086US7632687B2Hybrid phase lateral flow assayQUIDEL CORP·Filed 2005·Granted Dec 15, 2009·45 cites·22 claims
- 4186US7041469B2Assays for trichomonal and other hydrolasesQUIDEL CORP·Filed 2002·Granted May 9, 2006·18 cites·14 claims
- 4286US5804452AOne step urine creatinine assaysQUIDEL CORP·Filed 1995·Granted Sep 8, 1998·124 cites·8 claims
- 4385US10281462B2System and apparatus for point-of-care diagnosticsQUIDEL CORP·Filed 2015·Granted May 7, 2019·2 cites·10 claims
- 4485US5536646ASimplified extraction method for bacterial antigens using dried reagentsQUIDEL CORP·Filed 1994·Granted Jul 16, 1996·67 cites·10 claims
- 4584US5814455AAntigen preparation for detecting H. pyloriQUIDEL CORP·Filed 1994·Granted Sep 29, 1998·59 cites·2 claims
- 4683US5741662ADirect stain specific binding assays for microorganismsQUIDEL CORP·Filed 1995·Granted Apr 21, 1998·88 cites·38 claims
- 4782US11674961B2Extraction reagent for use in an assay for detection of group A StreptococcusQUIDEL CORP·Filed 2019·Granted Jun 13, 2023·3 cites·27 claims
- 4882US5221616APrevention of spontaneous complement activation in mammalian biological fluidsQUIDEL CORP·Filed 1988·Granted Jun 22, 1993·63 cites·22 claims
- 4981US11650200B2Device for whole blood separationQUIDEL CORP·Filed 2020·Granted May 16, 2023·1 cites·15 claims
- 5080US12590960B2Immunoassay test device with two fluid flow paths for detection and differentiation of two or more analytesQUIDEL CORP·Filed 2023·Granted Mar 31, 2026·0 cites·19 claims
Showing the top 50 of 112 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when QUIDEL CORP files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →