G01N 2021/394
Dial method
Official title: {DIAL method}
G01N2021/394 (Dial method) appears on 37 US grants and 35 published applications in this corpus.
Search patents in G01N- Granted patents
- 37
- Published applications
- 35
- Assignees
- 32
- Inventors
- 96
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 2 |
| 2008 | 2 | 0 |
| 2009 | 2 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 2 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 3 |
| 2017 | 0 | 1 |
| 2018 | 1 | 3 |
| 2019 | 4 | 1 |
| 2020 | 1 | 3 |
| 2021 | 3 | 1 |
| 2022 | 1 | 3 |
| 2023 | 2 | 1 |
| 2024 | 5 | 5 |
| 2025 | 3 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatuses, systems, and methods for gas flux measurements with mobile platforms28 Apr 2026US 12,613,528 B2Bridger Photonics, Inc.
- Method for remote detection of gaseous substances in the atmosphere by the DIAL system with two lasers and a remote detector19 Aug 2025US 12,392,716 B2Sec Technologies, S.R.O.
- Laser imaging of gases for concentration and location identification17 Jun 2025US 12,332,170 B2Ohio State Innovation Foundation
- Methods and systems for open path gas detection18 Mar 2025US 12,253,465 B2Insight M Inc.
- Rapidly tuneable diode lidar22 Oct 2024US 12,123,830 B2QLM Technology Ltd
- Method and device for particle and gas detection28 May 2026US 2026/0146935 A1Beamonics AB
- Multi-wave differential absorption lidar15 Jan 2026US 2026/0016401 A1Rtx Corporation
- Method for remote detection of gaseous substances in the atmosphere by the DIAL system with two lasers and a remote detector13 Nov 2025US 2025/0347619 A1Sec Technologies, S.R.O.
- Integrated standoff optical ice detection and humidity sensing27 Feb 2025US 2025/0067899 A1Rosemount Aerospace Inc.
- Rapidly tuneable diode lidar for methane detection2 Jan 2025US 2025/0003872 A1QLM Technology Ltd
Most cited
By later US patents
- System and method for remote quantitative detection of fluid leaks from a natural gas or oil pipeline148US 6,822,742 B1Eastman Kodak Company · 2004
- System and method for remote quantitative detection of fluid leaks from a natural gas or oil pipeline85US 6,995,846 B2ITT Manufacturing Enterprises, Inc. · 2006
- Oil and gas exploration system and method for detecting trace amounts of hydrocarbon gases in the atmosphere84US 6,509,566 B1Ophir Corporation · 2003
- Method and apparatus for wavelength locking free optical frequency comb based differential absorption Lidar53US 8,541,744 B12013
- Differential absorption laser radar gas detection apparatus having tunable wavelength single mode semiconductor laser source41US 5,015,099 AAnritsu Corporation · 1991