G01N 33/50
Chemical analysis of biological material
Official title: Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing (measuring or testing processes involving enzymes or microorganisms, compositions or test papers therefor; processes for forming such compositions, condition responsive control in microbiological or enzymological processes C12Q)
G01N33/50 (Chemical analysis of biological material) appears on 72,001 US grants and 111,928 published applications in this corpus.
Search patents in G01N- Granted patents
- 72,001
- Published applications
- 111,928
- Assignees
- 23,497
- Inventors
- 165,692
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 156 | 0 |
| 1977 | 139 | 0 |
| 1978 | 175 | 0 |
| 1979 | 153 | 0 |
| 1980 | 262 | 0 |
| 1981 | 307 | 0 |
| 1982 | 253 | 0 |
| 1983 | 196 | 0 |
| 1984 | 284 | 0 |
| 1985 | 240 | 0 |
| 1986 | 269 | 0 |
| 1987 | 402 | 0 |
| 1988 | 403 | 0 |
| 1989 | 562 | 0 |
| 1990 | 461 | 0 |
| 1991 | 489 | 0 |
| 1992 | 637 | 0 |
| 1993 | 709 | 0 |
| 1994 | 650 | 0 |
| 1995 | 651 | 0 |
| 1996 | 779 | 0 |
| 1997 | 1019 | 0 |
| 1998 | 1468 | 0 |
| 1999 | 1328 | 0 |
| 2000 | 1164 | 0 |
| 2001 | 1358 | 433 |
| 2002 | 1219 | 2438 |
| 2003 | 1196 | 4808 |
| 2004 | 1141 | 3510 |
| 2005 | 1025 | 3686 |
| 2006 | 1444 | 3875 |
| 2007 | 1540 | 3670 |
| 2008 | 1561 | 3512 |
| 2009 | 1553 | 4213 |
| 2010 | 2249 | 4756 |
| 2011 | 2225 | 4502 |
| 2012 | 2219 | 4195 |
| 2013 | 2587 | 4504 |
| 2014 | 2748 | 5274 |
| 2015 | 2856 | 5244 |
| 2016 | 2918 | 5305 |
| 2017 | 3257 | 5087 |
| 2018 | 3334 | 5214 |
| 2019 | 3386 | 5265 |
| 2020 | 3386 | 5171 |
| 2021 | 3052 | 5304 |
| 2022 | 2853 | 5204 |
| 2023 | 2598 | 4787 |
| 2024 | 2628 | 4911 |
| 2025 | 2648 | 4099 |
| 2026 | 1864 | 2961 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 33/53Immunoassay42,084
- G01N 33/68Involving proteins, peptides or amino acids19,518
- G01N 33/5005Involving human or animal cells12,795
- G01N 33/58Involving labelled substances6,177
- G01N 33/74Involving hormones or other non-cytokine intercellular protein regulatory factors such as growth3,194
- G01N 33/52Use of compounds or compositions for colorimetric, spectrophotometric or fluorometric investigation2,555
- G01N 33/94Involving narcotics or drugs or pharmaceuticals, neurotransmitters or associated receptors1,926
- G01N 33/92Involving lipids1,649
All 24 subgroupsShow fewer
- G01N 33/86Involving blood coagulating time or factors, or their receptors1,397
- G01N 33/84Involving inorganic compounds or ph1,159
- G01N 33/66Involving blood sugars1,102
- G01N 33/72Involving blood pigments1,017
- G01N 33/80Involving blood groups or blood types or red blood cells669
- G01N 33/96Involving blood or serum control standard586
- G01N 33/82Involving vitamins or their receptors440
- G01N 33/5002Partitioning blood components198
- G01N 33/579Involving limulus lysate165
- G01N 33/70Involving creatine or creatinine164
- G01N 33/5097Involving plant cells159
- G01N 33/64Involving ketones119
- G01N 33/98Involving alcohol115
- G01N 33/88Involving prostaglandins or their receptors111
- G01N 33/62Involving urea76
- G01N 33/90Involving iron binding capacity of blood39
Recent patents
- Compositions, methods and kits for treating complement related disorders6 Oct 2026US 12,751,993 B2Trustees of Tufts College
- Microstructure and molecular detection method6 Oct 2026US 12,752,270 B2Korea University Research and Business Foundation
- Systems and methods for determining presence and/or characteristics of target analytes in a sample6 Oct 2026US 12,752,273 B2Conservation X Labs, Inc
- System and method for determining an immune activation state6 Oct 2026US 12,752,274 B2CytoVale Inc.
- Peptide libraries with non-canonical amino acids6 Oct 2026US 12,753,205 B2Regeneron Pharmaceuticals, Inc.
- Transgenic model of human cardiomyopathy8 Oct 2026US 2026/0305586 A1Stichting Genetische Hartspierziekte PLN
- Methods of determining glucose hypometabolism-induced energy crisis and treatments thereof8 Oct 2026US 2026/0306018 A1Senovia Biosciences LLC
- Method to induce exfoliation of cells and/or tissue fragments for enhanced cytopathologic cell collection8 Oct 2026US 2026/0306077 A1Adenocyte Ltd.
- Compositions, Kits, and Methods Comprising Bioidentical D BHB With Optional Vitamin B6 for Neurological Wellness, Mood Stability, and Medication Taper Support8 Oct 2026US 2026/0306430 A1Global Ketone Limited
- Trem2 agonists for the stimulation of microglia and methods of identification8 Oct 2026US 2026/0306439 A1The Translational Genomics Research Institute
Most cited
By later US patents
- Process for producing an electrochemical biosensor1,891US 6,103,033 ATheraSense, Inc. · 2000
- Method of using a small volume in vitro analyte sensor1,793US 6,120,676 ATheraSense, Inc. · 2000
- Small volume in vitro analyte sensor1,656US 6,143,164 AE. Heller & Company · 2000
- Small volume in vitro analyte sensor with diffusible or non-leachable redox mediator1,613US 6,591,125 B1TheraSense, Inc. · 2003
- Fluorescent silica-based nanoparticles1,448US 8,298,677 B2Cornell Research Foundation, Inc. · 2012