G01N 21/538
For determining atmospheric attenuation and visibility
Official title: {for determining atmospheric attenuation and visibility}
G01N21/538 (For determining atmospheric attenuation and visibility) appears on 150 US grants and 114 published applications in this corpus.
Search patents in G01N- Granted patents
- 150
- Published applications
- 114
- Assignees
- 124
- Inventors
- 329
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 2 |
| 2002 | 1 | 2 |
| 2003 | 3 | 7 |
| 2004 | 2 | 3 |
| 2005 | 3 | 4 |
| 2006 | 3 | 0 |
| 2007 | 2 | 3 |
| 2008 | 4 | 2 |
| 2009 | 2 | 7 |
| 2010 | 6 | 5 |
| 2011 | 4 | 3 |
| 2012 | 4 | 1 |
| 2013 | 3 | 3 |
| 2014 | 3 | 7 |
| 2015 | 6 | 9 |
| 2016 | 6 | 8 |
| 2017 | 9 | 5 |
| 2018 | 6 | 6 |
| 2019 | 6 | 3 |
| 2020 | 7 | 9 |
| 2021 | 8 | 10 |
| 2022 | 7 | 8 |
| 2023 | 5 | 3 |
| 2024 | 3 | 0 |
| 2025 | 4 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Imaging systems, devices and methods13 May 2025US 12,298,405 B2Sony Semiconductor Solutions Corporation
- Method for capturing at least particle compositions in a monitoring region with an optical detection apparatus, and detection apparatus25 Mar 2025US 12,259,474 B2Valeo Schalter und Sensoren GmbH
- Simulator and test method of polarization transmission in sea fog21 Jan 2025US 12,203,810 B2Changchun University of Science and Technology
- Foreign object debris detection7 Jan 2025US 12,188,878 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Cooperative polarization skylight background radiation measurement device and method5 Nov 2024US 12,135,277 B1Hefei Institutes of Physical Science, CAS
- System for determining the attenuation of a light wave passing through a sampling volume27 Aug 2026US 2026/0251567 A1Centre National De La Recherche Scientifique
- Method and device for particle and gas detection28 May 2026US 2026/0146935 A1Beamonics AB
- Optical particulate sensor protruding out of aircraft surface21 Aug 2025US 2025/0264396 A1Honeywell International s.r.o.
- Mode-matching a plurality of optical beams to a corresponding plurality of optical power amplifiers26 Jun 2025US 2025/0210931 A1Rosemount Aerospace Inc.
- Visibility measurement device16 Nov 2023US 2023/0368357 A1Bristol Industrial and Research Associates Limited
Most cited
By later US patents
- High pulse-energy, eye-safe lidar system170US 7,583,364 B1University Corporation for Atmospheric Research · 2009
- Particle detectors40US 8,797,531 B2Xtralis Technologies Ltd. · 2014
- Device for visibility measurement for a motor vehicle38US 4,931,767 ADaimler-Benz Aktiengesellschaft · 1990
- Method for measuring visibility from a moving vehicle38US 5,987,152 AVolkswagen Aktiengesellschaft · 1999
- Automated positive control traffic system for weather36US 5,771,484 ASun Microsystems, Inc. · 1998