G01N 27/223
For determining moisture content
Official title: {for determining moisture content, e.g. humidity (rain detectors on vehicle windows B60S1/0825)}
G01N27/223 (For determining moisture content) appears on 989 US grants and 991 published applications in this corpus.
Search patents in G01N- Granted patents
- 989
- Published applications
- 991
- Assignees
- 618
- Inventors
- 2,290
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 10 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 11 | 0 |
| 1985 | 17 | 0 |
| 1986 | 17 | 0 |
| 1987 | 10 | 0 |
| 1988 | 8 | 0 |
| 1989 | 17 | 0 |
| 1990 | 11 | 0 |
| 1991 | 11 | 0 |
| 1992 | 10 | 0 |
| 1993 | 11 | 0 |
| 1994 | 9 | 0 |
| 1995 | 15 | 0 |
| 1996 | 12 | 0 |
| 1997 | 12 | 0 |
| 1998 | 10 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 5 |
| 2002 | 10 | 9 |
| 2003 | 14 | 20 |
| 2004 | 14 | 24 |
| 2005 | 12 | 12 |
| 2006 | 19 | 27 |
| 2007 | 11 | 19 |
| 2008 | 13 | 18 |
| 2009 | 13 | 21 |
| 2010 | 12 | 19 |
| 2011 | 9 | 23 |
| 2012 | 11 | 23 |
| 2013 | 15 | 25 |
| 2014 | 24 | 59 |
| 2015 | 38 | 43 |
| 2016 | 34 | 51 |
| 2017 | 42 | 57 |
| 2018 | 42 | 59 |
| 2019 | 58 | 58 |
| 2020 | 57 | 94 |
| 2021 | 54 | 67 |
| 2022 | 61 | 65 |
| 2023 | 45 | 43 |
| 2024 | 56 | 68 |
| 2025 | 38 | 44 |
| 2026 | 35 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Automated and wireless accelerated heat treat life testing system29 Sep 2026US 12,748,009 B2UIF (University Industry Foundation), Yonsei University
- Fertigation feed sensor system29 Sep 2026US 12,748,096 B2Addium, Inc.
- Low power variable frequency soil sensor assembly22 Sep 2026US 12,742,745 B2
- Moisture sensor for round balers15 Sep 2026US 12,736,495 B2Deere & Company
- Humidity sensor with improved contaminant sealing1 Sep 2026US 12,723,998 B2Dwyer Instruments, Inc.
- Flexible Smart Sensor Decal with Integrated Wireless Communication and Energy Harvesting1 Oct 2026US 2026/0298859 A1
- System and method for measuring plant water content and predicting water stress17 Sep 2026US 2026/0276573 A1The Regents of the University of California
- Pixelated mutual capacitance sensing for water detection17 Sep 2026US 2026/0277365 A1Apple Inc.
- Humidity measuring device and method for operating a humidity measuring device10 Sep 2026US 2026/0266753 A1E&E Elektronik GES m.b.H.
- Monitoring conditions and health of artistic works27 Aug 2026US 2026/0251562 A1Ldvs, Inc.
Most cited
By later US patents
- Portable self powered line mountable device for measuring and transmitting ambient temperature191US 9,380,857 B22016
- Water content detecting device for diaper129US 4,754,264 ANippon Kodoshi Corporation · 1988
- Humidity sensor98US 6,895,803 B2Fisher & Paykel Healthcare Limited · 2005
- Plate array for moisture sensor with reduced sensitivity to loading effects89US 5,671,633 AWagner Electronic Products, Inc. · 1997
- Thermoresponsive skin barrier appliances87US 10,531,977 B2Coloplast A/S · 2020