G01N 1/22
In the gaseous state
Official title: in the gaseous state {(specially adapted for biological material G01N33/497; measuring breath flow A61B5/087)}
G01N1/22 (In the gaseous state) appears on 4,315 US grants and 3,920 published applications in this corpus.
Search patents in G01N- Granted patents
- 4,315
- Published applications
- 3,920
- Assignees
- 2,300
- Inventors
- 9,058
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 38 | 0 |
| 1977 | 31 | 0 |
| 1978 | 31 | 0 |
| 1979 | 28 | 0 |
| 1980 | 33 | 0 |
| 1981 | 33 | 0 |
| 1982 | 30 | 0 |
| 1983 | 24 | 0 |
| 1984 | 29 | 0 |
| 1985 | 21 | 0 |
| 1986 | 29 | 0 |
| 1987 | 26 | 0 |
| 1988 | 28 | 0 |
| 1989 | 41 | 0 |
| 1990 | 45 | 0 |
| 1991 | 55 | 0 |
| 1992 | 72 | 0 |
| 1993 | 60 | 0 |
| 1994 | 62 | 0 |
| 1995 | 68 | 0 |
| 1996 | 64 | 0 |
| 1997 | 49 | 0 |
| 1998 | 60 | 0 |
| 1999 | 71 | 0 |
| 2000 | 67 | 0 |
| 2001 | 75 | 26 |
| 2002 | 89 | 94 |
| 2003 | 97 | 138 |
| 2004 | 98 | 172 |
| 2005 | 83 | 141 |
| 2006 | 111 | 120 |
| 2007 | 105 | 124 |
| 2008 | 99 | 125 |
| 2009 | 84 | 137 |
| 2010 | 94 | 118 |
| 2011 | 90 | 122 |
| 2012 | 114 | 128 |
| 2013 | 104 | 147 |
| 2014 | 109 | 156 |
| 2015 | 107 | 153 |
| 2016 | 132 | 174 |
| 2017 | 151 | 162 |
| 2018 | 155 | 178 |
| 2019 | 168 | 206 |
| 2020 | 173 | 216 |
| 2021 | 162 | 231 |
| 2022 | 179 | 232 |
| 2023 | 196 | 201 |
| 2024 | 159 | 181 |
| 2025 | 164 | 139 |
| 2026 | 122 | 99 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 1/2202Involving separation of sample components during sampling1,964
- G01N 1/2247Sampling from a flowing stream of gas1,048
- G01N 1/24Suction devices995
- G01N 1/2273Atmospheric sampling876
- G01N 1/2226Sampling from a closed space507
- G01N 1/26With provision for intake from several spaces260
- G01N 2001/2285Details of probe structuresIndexing code218
- G01N 1/2294Sampling soil gases or the like136
Recent patents
- Particle collection vessel, particle collection device and particle collection method6 Oct 2026US 12,752,284 B2Amano Corporation
- Autonomous real-time emissions monitor for marine exhaust emissions29 Sep 2026US 12,748,020 B2
- Systems and methods for real-time analysis of inhaled particles29 Sep 2026US 12,748,029 B2Pneumax S.P.A.
- Collecting device for collection of particles, a sample collector, and an analysis instrument22 Sep 2026US 12,740,723 B2Imec Vzw
- Gas detection system22 Sep 2026US 12,742,708 B2Sintokogio, Ltd.
- Gas Monitoring System and Method(s) of Use8 Oct 2026US 2026/0309572 A1
- Personal Health Tracker for Measuring Gas Produced by Gut Microbiota8 Oct 2026US 2026/0309591 A1
- Diaphragm-regulated capillary flow controller, sampling assembly, and methods for sampling8 Oct 2026US 2026/0309592 A1Restek Corporation
- Scent collection system and method8 Oct 2026US 2026/0309593 A1
- Device for sampling a gas, and gas measuring device for the qualitative or quantitative determination of a component in a breathing gas sample8 Oct 2026US 2026/0309698 A1Dräger Safety AG & Co. KGaA
Most cited
By later US patents
- Robust system for screening mail for biological agents1,080US 6,887,710 B2MesoSystems Technology, Inc. · 2005
- Positive displacement piston flow meter with damping assembly818US 5,562,002 ASensidyne, Inc. · 1996
- Probe for taking gas samples and heat measurements in a shaft furnace485US 5,108,192 APaul Wurth S. A. · 1992
- Method and apparatus for mixing gases352US 6,928,890 B2Caterpillar Inc. · 2005
- Method and apparatus for mixing gases351US 7,100,459 B2Caterpillar Inc. · 2006