G01N 2021/3531
Without instrumental source, i.e. radiometric
Official title: {without instrumental source, i.e. radiometric}
G01N2021/3531 (Without instrumental source, i.e. radiometric) appears on 156 US grants and 175 published applications in this corpus.
Search patents in G01N- Granted patents
- 156
- Published applications
- 175
- Assignees
- 94
- Inventors
- 295
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 6 |
| 2007 | 5 | 2 |
| 2008 | 1 | 4 |
| 2009 | 3 | 1 |
| 2010 | 0 | 8 |
| 2011 | 2 | 1 |
| 2012 | 6 | 2 |
| 2013 | 4 | 2 |
| 2014 | 3 | 3 |
| 2015 | 1 | 8 |
| 2016 | 5 | 6 |
| 2017 | 6 | 11 |
| 2018 | 6 | 15 |
| 2019 | 16 | 16 |
| 2020 | 8 | 20 |
| 2021 | 16 | 16 |
| 2022 | 12 | 13 |
| 2023 | 17 | 14 |
| 2024 | 13 | 17 |
| 2025 | 13 | 6 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Estimating gas quantity in a pixel based on spectral matched filtering18 Aug 2026US 12,710,361 B2Maxar Technologies Holdings Inc.
- Generating high-resolution concentration maps for atmospheric gases using geography-informed machine learning5 May 2026US 12,618,771 B2Genesee Valley Innovations, LLC
- Passive bioinspired sensor31 Mar 2026US 12,590,840 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Dual-band divided-aperture infra-red spectral imaging system10 Mar 2026US 12,574,468 B2Rebellion Photonics, Inc.
- System and methods for gas spectroscopic sensing with photon counting and tunable integrated photonic filters6 Jan 2026US 12,517,039 B2The Trustees of the Stevens Institute of Technology
- Improving limiting errors in coarse spectral resolution remote sensing estimates of gas emissions from a ground located point source6 Aug 2026US 2026/0227323 A1
- Remote substance detection system, device and method16 Jul 2026US 2026/0202330 A1Urugus S.A.
- Gas leak emission quantification with a gas cloud imager19 Mar 2026US 2026/0079103 A1Rebellion Photonics, Inc.
- Systems and methods for monitoring remote installations5 Mar 2026US 2026/0063567 A1Rebellion Photonics, Inc.
- Hydrocarbon Gas Detection System and Camera Arrangement Thereof25 Dec 2025US 2025/0389649 A1Ningbo Oiler Technology Company Limited
Most cited
By later US patents
- Remote sensing gas analyzer105US 4,795,253 AMobay Corporation · 1989
- System and method for remote sensing and/or analyzing spectral properties of targets and/or chemical species for detection and identification thereof97US 7,315,377 B2University of Virginia Patent Foundation · 2008
- Instrument and method for non-invasive monitoring of human tissue analyte by measuring the body's infrared radiation81US 5,666,956 A1997
- Apparatus for observing combustion conditions in a gas turbine engine64US 7,484,369 B2Rosemount Aerospace Inc. · 2009
- Thermography camera tuned to detect absorption of infrared radiation in a selected spectral bandwidth64US 8,653,461 B1FLIR Systems, Inc. · 2014