G01N 22/04
Investigating moisture content
G01N22/04 (Investigating moisture content) appears on 440 US grants and 380 published applications in this corpus.
Search patents in G01N- Granted patents
- 440
- Published applications
- 380
- Assignees
- 316
- Inventors
- 925
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 6 | 0 |
| 1990 | 8 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 11 | 0 |
| 1998 | 12 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 4 |
| 2002 | 8 | 7 |
| 2003 | 6 | 12 |
| 2004 | 7 | 9 |
| 2005 | 4 | 10 |
| 2006 | 13 | 6 |
| 2007 | 6 | 9 |
| 2008 | 3 | 11 |
| 2009 | 5 | 8 |
| 2010 | 8 | 11 |
| 2011 | 7 | 9 |
| 2012 | 9 | 11 |
| 2013 | 8 | 7 |
| 2014 | 11 | 10 |
| 2015 | 6 | 10 |
| 2016 | 10 | 15 |
| 2017 | 9 | 18 |
| 2018 | 12 | 18 |
| 2019 | 24 | 19 |
| 2020 | 16 | 21 |
| 2021 | 18 | 29 |
| 2022 | 22 | 23 |
| 2023 | 22 | 31 |
| 2024 | 19 | 31 |
| 2025 | 17 | 22 |
| 2026 | 20 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flow regime classification, water liquid ratio estimation, and salinity estimation systems and methods29 Sep 2026US 12,748,093 B2OneSubsea IP UK Limited
- Two-stage frequency selection method and device for microwave frequency sweep data22 Sep 2026US 12,743,481 B2Zhejiang University
- Crop harvesting system and method15 Sep 2026US 12,733,571 B2Deere & Company
- Agricultural system and method for monitoring soil moisture within a field during the performance of an agricultural operation25 Aug 2026US 12,714,001 B2CNH Industrial America LLC
- Non-contact method and system for inspection and detection of water saturated regions in rockmass25 Aug 2026US 12,716,852 B2Tata Consultancy Services Limited
- Method for non-contact ground moisture level estimation at various depths using reflected energy at a work machine17 Sep 2026US 2026/0276560 A1Deere & Company
- Sensor apparatus, information processing apparatus, information processing method, and program27 Aug 2026US 2026/0251585 A1Sony Group Corporation
- Road surface characterization20 Aug 2026US 2026/0243865 A1Teknologian tutkimuskeskus VTT Oy
- Measurement assembly for determining a property of a multiphase flowable medium6 Aug 2026US 2026/0227345 A1Endress + Hauser Flowtec AG
- Imager apparatus and process for ingestible products30 Jul 2026US 2026/0218978 A1Messer Industries USA, Inc.
Most cited
By later US patents
- Device for determining material parameters by means of microwave measurements83US 5,369,368 ALaboratorium Prof. Dr. Rudolf Berthold · 1994
- Microwave radiometer and methods for sensing atmospheric moisture and temperature69US 4,873,481 ARadiometrics Corporation · 1989
- Apparatus and method for the detection and measurement of liquid water and ice layers on the surfaces of solid materials64US 5,686,841 AStolar, Inc. · 1997
- System and method for monitoring water content or other dielectric influences in a medium62US 6,281,801 B1Bechtel BWXT Idaho, LLC · 2001
- RF probe for montoring composition of substances57US 5,748,002 APhase Dynamics, Inc. · 1998