G01N 2291/0212
Binary gases
G01N2291/0212 (Binary gases) appears on 68 US grants and 46 published applications in this corpus.
Search patents in G01N- Granted patents
- 68
- Published applications
- 46
- Assignees
- 59
- Inventors
- 171
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 2 |
| 2003 | 4 | 5 |
| 2004 | 1 | 4 |
| 2005 | 3 | 3 |
| 2006 | 3 | 2 |
| 2007 | 3 | 1 |
| 2008 | 2 | 0 |
| 2009 | 1 | 2 |
| 2010 | 2 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 3 |
| 2018 | 0 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 3 |
| 2021 | 3 | 1 |
| 2022 | 3 | 1 |
| 2023 | 0 | 2 |
| 2024 | 4 | 1 |
| 2025 | 1 | 5 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dual-gas metering system and method21 Jul 2026US 12,687,519 B2Itron, Inc.
- Respiratory assistance apparatus13 May 2025US 12,296,103 B2Fisher & Paykel Healthcare Limited
- Gases mixing and measuring for a medical device6 Aug 2024US 12,053,585 B2Fisher & Paykel Healthcare Limited
- Respiratory assistance apparatus5 Mar 2024US 11,918,748 B2Fisher & Paykel Healthcare Limited
- Measuring concentrations of mixed gases at an endpoint23 Jan 2024US 11,879,866 B2Romet Limited
- Hydrogen flow/concentration meter13 Aug 2026US 2026/0235428 A1Panasonic Intellectual Property Management Co., Ltd.
- Respiratory assistance apparatus11 Sep 2025US 2025/0281712 A1Fisher & Paykel Healthcare Limited
- Gases mixing and measuring for a medical device29 May 2025US 2025/0170357 A1Fisher & Paykel Healthcare Limited
- Dual-Gas Metering System and Method29 May 2025US 2025/0172526 A1Itron, Inc.
- Sensor, method and computer program for determining the density or composition of a fluid13 Feb 2025US 2025/0052720 A1WoePal GmbH
Most cited
By later US patents
- Gas sensor207US 5,351,522 AAequitron Medical, Inc. · 1994
- Multiple-frequency acoustic wave devices for chemical sensing and materials characterization in both gas and liquid phase93US 5,235,235 AThe United States of America as represented by the United States Department of Energy · 1993
- Ultrasonic binary gas measuring device52US 5,627,323 A1997
- Multiple gas property sensor46US 5,235,844 ANiagara Mohawk Power Corporation · 1993
- Fluid density measurement in pipes using acoustic pressures46US 6,971,259 B2Weatherford/Lamb, Inc. · 2005