G01N 2021/354
Hygrometry of gases
Official title: {Hygrometry of gases}
G01N2021/354 (Hygrometry of gases) appears on 41 US grants and 36 published applications in this corpus.
Search patents in G01N- Granted patents
- 41
- Published applications
- 36
- Assignees
- 38
- Inventors
- 90
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 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 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 2 | 1 |
| 2007 | 0 | 4 |
| 2008 | 4 | 2 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 1 | 0 |
| 2017 | 3 | 0 |
| 2018 | 1 | 3 |
| 2019 | 2 | 3 |
| 2020 | 6 | 4 |
| 2021 | 2 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 3 |
| 2025 | 0 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water vapor distribution measurement apparatus23 Jun 2026US 12,663,368 B2Tokyo Metropolitan Public University Corporation
- Device for measuring the humidity in the internal volume of a watch case10 Feb 2026US 12,546,716 B2The Swatch Group Research and Development Ltd
- Omnidirectional measurement system for time-varying characteristic of atmospheric vapor radiation28 May 2024US 11,994,431 B2Purple Mountain Observatory, Chinese Academy of Sciences
- High spectral resolution Scheimpflug LIDAR26 Sep 2023US 11,768,295 B2Beamonics AB
- High resolution molecular LIDAR27 Dec 2022US 11,536,849 B2NEOLund AB
- Analysis device, program for analysis device, and analysis method27 Aug 2026US 2026/0251560 A1Horiba, Ltd.
- Optical concentration measuring device13 Aug 2026US 2026/0235503 A1Asahi Kasei Microdevices Corporation
- Analysis device, program for analysis device, and analysis method25 Dec 2025US 2025/0389654 A1Horiba, Ltd.
- Measurement apparatus and measurement method30 Jan 2025US 2025/0035549 A1Yokogawa Electric Corporation
- Device for measuring the humidity in the internal volume of a watch case12 Dec 2024US 2024/0410828 A1The Swatch Group Research and Development Ltd
Most cited
By later US patents
- Infrared trace element detection system55US 4,785,184 ASpectral Sciences, Inc. · 1988
- Method for intelligent data acquisition in a measurement system23US 5,991,696 AAmerican Air Liquide, Inc. · 1999
- Optical fiber sensor with light absorbing moisture-sensitive coating21US 4,894,532 AWestinghouse Electric Corp. · 1990
- Method of and apparatus for measuring vapor density16US 4,874,572 AOphir Corporation · 1989
- System and method for detecting water vapor within natural gas16US 7,132,661 B2SpectraSensors, Inc. · 2006