G01N 21/49
Within a body or fluid
Official title: within a body or fluid
G01N21/49 (Within a body or fluid) appears on 3,133 US grants and 3,014 published applications in this corpus.
Search patents in G01N- Granted patents
- 3,133
- Published applications
- 3,014
- Assignees
- 1,741
- Inventors
- 6,415
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 20 | 0 |
| 1978 | 16 | 0 |
| 1979 | 9 | 0 |
| 1980 | 21 | 0 |
| 1981 | 13 | 0 |
| 1982 | 7 | 0 |
| 1983 | 14 | 0 |
| 1984 | 16 | 0 |
| 1985 | 25 | 0 |
| 1986 | 18 | 0 |
| 1987 | 42 | 0 |
| 1988 | 27 | 0 |
| 1989 | 23 | 0 |
| 1990 | 32 | 0 |
| 1991 | 39 | 0 |
| 1992 | 41 | 0 |
| 1993 | 24 | 0 |
| 1994 | 28 | 0 |
| 1995 | 34 | 0 |
| 1996 | 38 | 0 |
| 1997 | 32 | 0 |
| 1998 | 48 | 0 |
| 1999 | 36 | 0 |
| 2000 | 38 | 0 |
| 2001 | 31 | 15 |
| 2002 | 37 | 42 |
| 2003 | 51 | 62 |
| 2004 | 59 | 55 |
| 2005 | 38 | 75 |
| 2006 | 47 | 58 |
| 2007 | 55 | 89 |
| 2008 | 51 | 64 |
| 2009 | 54 | 91 |
| 2010 | 56 | 109 |
| 2011 | 68 | 122 |
| 2012 | 60 | 108 |
| 2013 | 93 | 138 |
| 2014 | 126 | 156 |
| 2015 | 120 | 166 |
| 2016 | 156 | 198 |
| 2017 | 157 | 188 |
| 2018 | 165 | 179 |
| 2019 | 191 | 166 |
| 2020 | 159 | 183 |
| 2021 | 164 | 204 |
| 2022 | 125 | 146 |
| 2023 | 127 | 128 |
| 2024 | 111 | 110 |
| 2025 | 109 | 94 |
| 2026 | 59 | 68 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods for compact multi-color flow cytometers having compact detection modules6 Oct 2026US 12,754,128 B2Cytek Biosciences, Inc.
- Aerosol sensor and an integrated optical component thereof29 Sep 2026US 12,748,055 B2Honeywell International Inc.
- Measurement instrument, measurement device, measurement system, and measurement method15 Sep 2026US 12,736,462 B2HORIBA Advanced Techno, Co., Ltd.
- System and method for calculating sea water turbidity based on satellite image15 Sep 2026US 12,736,474 B2Korea Institute of Ocean Science & Technology
- Signal processing method, signal processing device, and signal processing system25 Aug 2026US 12,716,828 B2Hamamatsu Photonics K.K.
- Dtof-based visibility measurement method, sensor, and vehicle1 Oct 2026US 2026/0298821 A1Autox Tech Pte. Ltd.
- Substance-in-blood concentration measurement method17 Sep 2026US 2026/0272341 A1Light Touch Technology Incorporated
- Method of scanning a lidar system for gas detection17 Sep 2026US 2026/0276824 A1QLM Technology Ltd
- Sample mount for a microscope10 Sep 2026US 2026/0266711 A1European Molecular Biology Laboratory
- Fluid testing system10 Sep 2026US 2026/0266718 A1Instrumentation Laboratory Company
Most cited
By later US patents
- Method and apparatus using alternative site glucose determinations to calibrate and maintain noninvasive and implantable analyzers1,598US 6,998,247 B2Sensys Medical, Inc. · 2006
- Optical spectroscopy pathlength measurement system1,175US 6,640,116 B2Masimo Corporation · 2003
- Method and devices for laser induced fluorescence attenuation spectroscopy1,152US 6,124,597 ACedars-Sinai Medical Center · 2000
- Capillary flow device951US 4,963,498 ABiotrack, Inc. · 1990
- Compact apparatus for noninvasive measurement of glucose through near-infrared spectroscopy946US 7,133,710 B2Sensys Medical, Inc. · 2006