G01N 33/0031
Comprising two or more sensors
Official title: {comprising two or more sensors, e.g. a sensor array}
G01N33/0031 (Comprising two or more sensors) appears on 1,078 US grants and 1,247 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,078
- Published applications
- 1,247
- Assignees
- 722
- Inventors
- 2,826
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 9 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 10 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 12 | 0 |
| 1998 | 15 | 0 |
| 1999 | 21 | 0 |
| 2000 | 15 | 0 |
| 2001 | 24 | 8 |
| 2002 | 23 | 25 |
| 2003 | 19 | 14 |
| 2004 | 14 | 26 |
| 2005 | 14 | 23 |
| 2006 | 21 | 29 |
| 2007 | 15 | 11 |
| 2008 | 13 | 13 |
| 2009 | 16 | 20 |
| 2010 | 11 | 17 |
| 2011 | 15 | 27 |
| 2012 | 11 | 19 |
| 2013 | 19 | 22 |
| 2014 | 24 | 45 |
| 2015 | 33 | 72 |
| 2016 | 30 | 47 |
| 2017 | 40 | 66 |
| 2018 | 50 | 72 |
| 2019 | 47 | 92 |
| 2020 | 70 | 111 |
| 2021 | 66 | 101 |
| 2022 | 84 | 84 |
| 2023 | 74 | 93 |
| 2024 | 65 | 86 |
| 2025 | 61 | 62 |
| 2026 | 43 | 62 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Artificial intelligence apparatus for detecting target gas in small sample domain and operating method thereof6 Oct 2026US 12,754,175 B2Electronics and Telecommunications Research Institute
- Comparative methods for air quality measurement and use thereof22 Sep 2026US 12,742,760 B2Uhoo Pte Ltd
- Environmental monitoring device using smart phone15 Sep 2026US 12,736,510 B2Deepvisions Co., Ltd.
- Substance detecting system8 Sep 2026US 12,730,048 B2I-PEX Inc.
- Compact portable oxygen concentrator18 Aug 2026US 12,710,121 B2Inogen, Inc.
- Gas sensor8 Oct 2026US 2026/0309656 A1TDK Corporation
- Device and method for monitoring gas8 Oct 2026US 2026/0309687 A1Piovan S.P.A.
- Fire prevention management system for distribution board1 Oct 2026US 2026/0301554 A1
- Method, device and system of a sensor integrated computing platform of a firefighter air replenishment system for remote monitoring and access thereof1 Oct 2026US 2026/0301556 A1Rescue Air Systems, Inc.
- Gas sensor and gas sensor array comprising the same17 Sep 2026US 2026/0276612 A1Ajou University Industry-Academic Cooperation Foundation
Most cited
By later US patents
- Method and apparatus for detecting toxic gases499US 5,057,436 AAgMaster, Inc. · 1991
- Virtual continuous emission monitoring system with sensor validation382US 5,386,373 APavilion Technologies, Inc. · 1995
- Methods of use for sensor based fluid detection devices346US 6,170,318 B2California Institute of Technology · 2001
- Handheld sensing apparatus336US 6,085,576 ACyrano Sciences, Inc. · 2000
- Self-encoding fiber optic sensor335US 7,115,884 B1Trustees of Tufts College · 2006