G01N 33/491
By separating the blood components
Official title: {by separating the blood components (G01N15/05 takes precedence)}
G01N33/491 (By separating the blood components) appears on 1,273 US grants and 1,240 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,273
- Published applications
- 1,240
- Assignees
- 675
- Inventors
- 2,597
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 10 | 0 |
| 1978 | 12 | 0 |
| 1979 | 12 | 0 |
| 1980 | 9 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 9 | 0 |
| 1984 | 10 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 11 | 0 |
| 1988 | 8 | 0 |
| 1989 | 21 | 0 |
| 1990 | 17 | 0 |
| 1991 | 16 | 0 |
| 1992 | 15 | 0 |
| 1993 | 15 | 0 |
| 1994 | 18 | 0 |
| 1995 | 18 | 0 |
| 1996 | 23 | 0 |
| 1997 | 29 | 0 |
| 1998 | 38 | 0 |
| 1999 | 24 | 0 |
| 2000 | 19 | 0 |
| 2001 | 23 | 10 |
| 2002 | 24 | 19 |
| 2003 | 10 | 22 |
| 2004 | 12 | 31 |
| 2005 | 10 | 15 |
| 2006 | 14 | 29 |
| 2007 | 13 | 22 |
| 2008 | 11 | 36 |
| 2009 | 15 | 26 |
| 2010 | 20 | 32 |
| 2011 | 26 | 50 |
| 2012 | 25 | 34 |
| 2013 | 25 | 52 |
| 2014 | 28 | 70 |
| 2015 | 47 | 76 |
| 2016 | 40 | 70 |
| 2017 | 64 | 78 |
| 2018 | 59 | 91 |
| 2019 | 58 | 78 |
| 2020 | 84 | 71 |
| 2021 | 43 | 80 |
| 2022 | 75 | 81 |
| 2023 | 42 | 41 |
| 2024 | 57 | 50 |
| 2025 | 44 | 51 |
| 2026 | 27 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vertical flow assay device and method for determination of hemoglobin concentration6 Oct 2026US 12,754,179 B2Google Inc.
- Apparatus and method for testing blood29 Sep 2026US 12,748,041 B2Siemens Healthcare Diagnostics Inc.
- Optical systems and methods for grading plasma during whole blood separation29 Sep 2026US 12,748,042 B2Fenwal, Inc.
- Method of acquiring liquid biological samples from an extracorporeal circuit for an extracorporeal blood purification treatment and related apparatus and system22 Sep 2026US 12,742,707 B2Azienda Ospedaliera Universitaria Meyer Irccs
- Interface detection and control using a photodetector array1 Sep 2026US 12,722,163 B2Fenwal, Inc.
- Depletion of high-abundance plasma proteins using in situ growth of metal-organic frameworks (mofs) for proteomic analysis and biomarker discovery10 Sep 2026US 2026/0266814 A1
- Specimen Analysis Apparatus, Specimen Analysis System, and Specimen Dispensing Method10 Sep 2026US 2026/0266863 A1Horiba, Ltd.
- Material separation disc and material separation device comprising the same27 Aug 2026US 2026/0249310 A1Ctcells, Inc.
- Dry paper-based test strip potassium assay13 Aug 2026US 2026/0235499 A1Jana Care, Inc.
- Devices and methods for preparing platelet rich fibrin matrix and uses thereof6 Aug 2026US 2026/0224630 A1
Most cited
By later US patents
- Autonomous, ambulatory analyte monitor or drug delivery device343US 7,004,928 B2Rosedale Medical, Inc. · 2006
- Process and composition for separating plasma or serum from whole blood317US 4,477,575 ABoehringer Mannheim GmbH · 1984
- Methods for enriching specific cell-types by density gradient centrifugation255US 5,840,502 AActivated Cell Therapy, Inc. · 1998
- Blood separation device comprising a filter and a capillary flow pathway exiting the filter254US 4,753,776 ABiotrack, Inc. · 1988
- Apparatus and method for optically analyzing biological fluids220US 5,122,284 AAbaxis, Inc. · 1992