Inventor · disambiguated record
Jeffrey W. Steaffens
Also filed as: STEAFFENS JEFFREY · STEAFFENS JEFFREY W
11 granted patents·2 pending applications·483 citations·filing 1986–2020
91Inventor score
Files withBIOSTAR INC2SARTORIUS BIOANALYTICAL INSTR INC2THERMO BIOSTAR INC2ABBOTT LAB1ESSEN INSTR INC1
Top patents by PatentIndex Score
13 records- 0195US6656428B1Automated point of care detection system including complete sample processing capabilitiesTHERMO BIOSTAR INC·Filed 2000·Granted Dec 2, 2003·332 cites·38 claims
- 0292US11709116B2Liquid flourescent dye concentrate for flow cytometry evaluation of virus-size particles and related products and methodsSARTORIUS BIOANALYTICAL INSTR INC·Filed 2020·Granted Jul 25, 2023·5 cites·35 claims
- 0390US11137337B2Flow cytometry with data analysis for optimized dilution of fluid samples for flow cytometry investigationESSEN INSTR INC·Filed 2019·Granted Oct 5, 2021·6 cites·25 claims
- 0483US6933112B1Device for mass transport assisted optical assaysTHERMO BIOSTAR INC·Filed 2000·Granted Aug 23, 2005·21 cites·33 claims
- 0582US6579688B2Stabilizing diluent for polypeptides and antigensBIOSTAR INC·Filed 2000·Granted Jun 17, 2003·22 cites·20 claims
- 0674US12196652B2Methods, kits and stain compositions for flow cytometry evaluation of unassociated virus-size particles using multiple fluorogenic dyesSARTORIUS BIOANALYTICAL INSTR INC·Filed 2019·Granted Jan 14, 2025·1 cites·20 claims
- 0774US5494801AMicroorganism antigen extraction methodsBIOSTAR INC·Filed 1993·Granted Feb 27, 1996·53 cites·44 claims
- 0860US7153651B1Flow-through optical assay devices providing laminar flow of fluid samples, and methods of construction thereofINVERNESS MEDICAL BIOSTAR INC·Filed 1997·Granted Dec 26, 2006·21 cites·40 claims
- 0960US4748115ASubstrate formulation in 2-amino-2-methyl-1-propanol buffer for alkaline phosphatase assaysABBOTT LAB·Filed 1986·Granted May 31, 1988·20 cites·10 claims
- 1046US2022118440A1Sample vial for delivery of fluid sample to analytical instrumentsESSEN INSTR INC D/B/A ESSEN BIOSCIENCE INC·Filed 2020·Application pending·0 cites
- 1138US12455287B2Flow cytometry evaluation for unassociated non-enveloped viral particlesSARTORIOUS BIOANALYTICAL INSTR INC·Filed 2020·Granted Oct 28, 2025·0 cites·20 claims
- 1224US5484706AImmunoassay for analytes in samples using alkylating agentsPASTEUR SANOFI DIAGNOSTICS·Filed 1993·Granted Jan 16, 1996·2 cites·14 claims
- 1323US2002160359A1Stabilizing diluent for polypeptides and antigensFiled 2002·Application pending·0 cites
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