G01N 33/49
Blood
Official title: Blood {(chemical methods for determining blood cell populations G01N33/5094; chemical analysis of blood groups or blood types G01N33/80)}
G01N33/49 (Blood) appears on 4,150 US grants and 4,748 published applications in this corpus.
Search patents in G01N- Granted patents
- 4,150
- Published applications
- 4,748
- Assignees
- 1,805
- Inventors
- 8,260
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 35 | 0 |
| 1977 | 20 | 0 |
| 1978 | 23 | 0 |
| 1979 | 21 | 0 |
| 1980 | 25 | 0 |
| 1981 | 19 | 0 |
| 1982 | 17 | 0 |
| 1983 | 17 | 0 |
| 1984 | 22 | 0 |
| 1985 | 24 | 0 |
| 1986 | 14 | 0 |
| 1987 | 25 | 0 |
| 1988 | 24 | 0 |
| 1989 | 39 | 0 |
| 1990 | 29 | 0 |
| 1991 | 35 | 0 |
| 1992 | 33 | 0 |
| 1993 | 40 | 0 |
| 1994 | 47 | 0 |
| 1995 | 31 | 0 |
| 1996 | 50 | 0 |
| 1997 | 59 | 0 |
| 1998 | 67 | 0 |
| 1999 | 49 | 0 |
| 2000 | 53 | 0 |
| 2001 | 42 | 17 |
| 2002 | 37 | 42 |
| 2003 | 29 | 84 |
| 2004 | 29 | 68 |
| 2005 | 24 | 51 |
| 2006 | 31 | 72 |
| 2007 | 36 | 79 |
| 2008 | 37 | 83 |
| 2009 | 41 | 77 |
| 2010 | 55 | 101 |
| 2011 | 78 | 125 |
| 2012 | 68 | 113 |
| 2013 | 93 | 175 |
| 2014 | 125 | 232 |
| 2015 | 151 | 288 |
| 2016 | 183 | 331 |
| 2017 | 211 | 344 |
| 2018 | 253 | 345 |
| 2019 | 281 | 380 |
| 2020 | 277 | 331 |
| 2021 | 245 | 327 |
| 2022 | 241 | 285 |
| 2023 | 213 | 232 |
| 2024 | 233 | 253 |
| 2025 | 199 | 185 |
| 2026 | 120 | 128 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Time-of-flight measurement on user with cameras and position sensor6 Oct 2026US 12,751,628 B2Omni Medsci, Inc.
- Sample taking device, sample taking system and method of operating a sample taking device6 Oct 2026US 12,754,107 B2LockCon AG
- Hematological parameter for viral infection6 Oct 2026US 12,754,124 B2Beckman Coulter, Inc.
- Vertical flow assay device and method for determination of hemoglobin concentration6 Oct 2026US 12,754,179 B2Google Inc.
- Means and methods for the diagnosis, classification and/or monitoring of pediatric tumors6 Oct 2026US 12,754,186 B2Academisch Ziekenhuis Leiden (H.O.D.N. Lumc)
- Clinical decision support system8 Oct 2026US 2026/0309696 A1Instrumentation Laboratory Company
- Methods for Verification of Drug Levels Using Dried Blood Samples8 Oct 2026US 2026/0309705 A1Sanofi
- Methods for Identifying Haemoglobin S or C in a Biological Sample and Kits Thereof8 Oct 2026US 2026/0309726 A1Indian Institute of Science
- Methods of measuring hematocrit in fluidic channels including conductivity sensor1 Oct 2026US 2026/0295580 A1
- Aluminum ion sensor and method to detect aluminum ion concentration1 Oct 2026US 2026/0298865 A1The American University in Cairo
Most cited
By later US patents
- Small volume in vitro analyte sensor with diffusible or non-leachable redox mediator1,613US 6,591,125 B1TheraSense, Inc. · 2003
- Tissue penetration device1,208US 7,025,774 B2Pelikan Technologies, Inc. · 2006
- Calibration solutions useful for analyses of biological fluids and methods employing same997US 5,330,634 AVia Medical Corporation · 1994
- Method and apparatus for penetrating tissue956US 7,547,287 B2Pelikan Technologies, Inc. · 2009
- Capillary flow device951US 4,963,498 ABiotrack, Inc. · 1990