G01N 31/222
For investigating moisture content
Official title: {for investigating moisture content}
G01N31/222 (For investigating moisture content) appears on 134 US grants and 139 published applications in this corpus.
Search patents in G01N- Granted patents
- 134
- Published applications
- 139
- Assignees
- 123
- Inventors
- 342
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 7 |
| 2003 | 5 | 6 |
| 2004 | 6 | 5 |
| 2005 | 2 | 4 |
| 2006 | 3 | 4 |
| 2007 | 2 | 4 |
| 2008 | 2 | 3 |
| 2009 | 2 | 5 |
| 2010 | 5 | 5 |
| 2011 | 2 | 4 |
| 2012 | 3 | 5 |
| 2013 | 4 | 10 |
| 2014 | 5 | 5 |
| 2015 | 8 | 8 |
| 2016 | 5 | 13 |
| 2017 | 6 | 11 |
| 2018 | 8 | 4 |
| 2019 | 5 | 4 |
| 2020 | 3 | 6 |
| 2021 | 5 | 6 |
| 2022 | 5 | 1 |
| 2023 | 4 | 7 |
| 2024 | 1 | 4 |
| 2025 | 4 | 4 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of monitoring of pressure and moisture content in the hollow of a decommissioned pipeline and device for implementation thereof12 May 2026US 12,625,028 B2Publichnoe Aktsionernoe Obschestvo “Gazprom”
- Method for identifying a state of a stream of refrigerant12 May 2026US 12,625,101 B2Carrier Corporation
- PH and moisture indicator devices and formulations17 Mar 2026US 12,578,318 B2Smith & Nephew, Inc.
- Systems and methods for determining fluid fill metric of fluid in a receptacle25 Nov 2025US 12,480,798 B1Simple Labs, Inc.
- Method for diagnosing film degradation25 Nov 2025US 12,480,851 B2Ashigara Manufacturing Inc.
- Method for identifying a state of a stream of refrigerant20 Aug 2026US 2026/0243716 A1Carrier Corporation
- Compositions for Wetness Indication12 Feb 2026US 2026/0042926 A1Chromatic Technologies, Inc.
- Solid-state imaging device and solid-state imaging system15 Jan 2026US 2026/0016403 A1Sony Semiconductor Solutions Corporation
- Colorimetric sensor including metal-organic framework and method of manufacturing the colorimetric sensor28 Aug 2025US 2025/0269369 A1Electronics and Telecommunications Research Institute
- Methods and devices for monitoring moisture levels and humidity control devices31 Jul 2025US 2025/0244251 A1Boveda, Inc.
Most cited
By later US patents
- Polymerized crystalline colloidal array sensor methods243US 5,854,078 AUniversity of Pittsburgh · 1998
- Polymerized crystalline colloidal arrays108US 6,187,599 B1University of Pittsburgh · 2001
- Polymerized crystalline colloidal array sensors69US 5,898,004 AUniversity of Pittsburgh—Of the Commonwealth System of Higher Education · 1999
- Electronic device moisture indicators61US 8,440,274 B2Apple Inc. · 2013
- Wetness indicating hot-melt adhesives56US 4,743,238 AMalcolm Nicol & Co. · 1988