G01N 1/2247
Sampling from a flowing stream of gas
Official title: {Sampling from a flowing stream of gas}
G01N1/2247 (Sampling from a flowing stream of gas) appears on 1,048 US grants and 898 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,048
- Published applications
- 898
- Assignees
- 647
- Inventors
- 2,169
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 12 | 0 |
| 1978 | 8 | 0 |
| 1979 | 13 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 7 | 0 |
| 1983 | 9 | 0 |
| 1984 | 6 | 0 |
| 1985 | 3 | 0 |
| 1986 | 10 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 12 | 0 |
| 1990 | 11 | 0 |
| 1991 | 20 | 0 |
| 1992 | 21 | 0 |
| 1993 | 13 | 0 |
| 1994 | 19 | 0 |
| 1995 | 17 | 0 |
| 1996 | 18 | 0 |
| 1997 | 12 | 0 |
| 1998 | 13 | 0 |
| 1999 | 9 | 0 |
| 2000 | 14 | 0 |
| 2001 | 15 | 7 |
| 2002 | 18 | 27 |
| 2003 | 19 | 34 |
| 2004 | 29 | 40 |
| 2005 | 20 | 27 |
| 2006 | 28 | 22 |
| 2007 | 19 | 22 |
| 2008 | 25 | 37 |
| 2009 | 21 | 31 |
| 2010 | 27 | 33 |
| 2011 | 18 | 28 |
| 2012 | 33 | 34 |
| 2013 | 30 | 39 |
| 2014 | 26 | 44 |
| 2015 | 23 | 30 |
| 2016 | 32 | 47 |
| 2017 | 34 | 39 |
| 2018 | 41 | 37 |
| 2019 | 52 | 50 |
| 2020 | 45 | 40 |
| 2021 | 36 | 43 |
| 2022 | 37 | 46 |
| 2023 | 30 | 47 |
| 2024 | 40 | 39 |
| 2025 | 30 | 35 |
| 2026 | 32 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Autonomous real-time emissions monitor for marine exhaust emissions29 Sep 2026US 12,748,020 B2
- Benchmark test point with integrated RFID technology for a particle detector15 Sep 2026US 12,736,442 B2Rockwell Research and Development Group, LLC
- Spectroscopic monitoring system for a carbon capture use and storage pipeline4 Aug 2026US 12,699,029 B2Halliburton Energy Services.Inc.
- Gas measurement apparatus28 Jul 2026US 12,693,215 B2Shimadzu Corporation
- Autonomous real-time sulfur dioxide and carbon dioxide monitor for marine exhaust emissions14 Jul 2026US 12,680,912 B2Seaarctos Holdings, LLC
- Pollution Protected Sensor Units24 Sep 2026US 2026/0287477 A1Belimo Holding AG
- Modular platform for measuring volatile organic compound profiles from exhaled breath and correlating those profiles to physiological and pathological states10 Sep 2026US 2026/0269021 A1
- Online measurement system and method for gas flux of gas-liquid interface13 Aug 2026US 2026/0235484 A1China Three Gorges Corporation
- Scoop probe30 Jul 2026US 2026/0219140 A1Insight Analytical Solutions Inc
- Detector inlet and sampling method16 Jul 2026US 2026/0204532 A1
Most cited
By later US patents
- 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
- Method and apparatus for mixing gases347US 6,684,719 B2Caterpillar Inc. · 2004
- Air pump for particle sensing using regenerative fan, and associated methods97US 6,167,107 AParticle Measuring Systems, Inc. · 2000