Y02A 90/30
Assessment of water resources
Y02A90/30 (Assessment of water resources) appears on 689 US grants and 682 published applications in this corpus.
Search patents in Y02A- Granted patents
- 689
- Published applications
- 682
- Assignees
- 421
- Inventors
- 2,168
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 8 | 0 |
| 1999 | 11 | 0 |
| 2000 | 15 | 0 |
| 2001 | 6 | 1 |
| 2002 | 4 | 10 |
| 2003 | 13 | 8 |
| 2004 | 10 | 9 |
| 2005 | 10 | 14 |
| 2006 | 13 | 11 |
| 2007 | 5 | 10 |
| 2008 | 12 | 15 |
| 2009 | 11 | 25 |
| 2010 | 21 | 31 |
| 2011 | 14 | 16 |
| 2012 | 21 | 24 |
| 2013 | 16 | 27 |
| 2014 | 20 | 15 |
| 2015 | 15 | 23 |
| 2016 | 17 | 22 |
| 2017 | 27 | 33 |
| 2018 | 19 | 46 |
| 2019 | 30 | 27 |
| 2020 | 38 | 42 |
| 2021 | 40 | 29 |
| 2022 | 30 | 38 |
| 2023 | 42 | 50 |
| 2024 | 57 | 79 |
| 2025 | 63 | 44 |
| 2026 | 33 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image processor, image processing method, and program11 Aug 2026US 12,705,713 B2Yanmar Blue Tech Co., Ltd.
- System and method of tracking an object that is at least partly buried in seabed7 Jul 2026US 12,674,908 B2Kongsberg Discovery AS
- Positioning and information transmission method of hydrological monitoring device in signal-free area9 Jun 2026US 12,650,196 B2
- Integration and calibration method of geomagnetic vector measuring device for exploration9 Jun 2026US 12,650,536 B2Zhongkan Geophysical Co. Ltd.
- Coaxial waveguide-based geotechnical multi-point deformation sensor and method of adjustable gauge-length measurement2 Jun 2026US 12,644,690 B2Chengdu University of Technology
- Acoustics-based wetland surface elevation measuring instrument and measurement method27 Aug 2026US 2026/0251786 A1Xiamen University
- Lightweight underwater object detection method20 Aug 2026US 2026/0245353 A1Guangdong Ocean University
- Self-supervised inversion method based on transient electromagnetic for deep learning13 Aug 2026US 2026/0236644 A1Institute of Geology and Geophysics, Chinese Academy of Sciences
- System and method for measuring particle size distribution of sediment grains30 Jul 2026US 2026/0219152 A1Xi'an University of Technology
- Temperature-strain detection system and method for reservoir rock mass23 Jul 2026US 2026/0211151 A1Institute of Geology and Geophysics, Cas
Most cited
By later US patents
- Systems and methods for electromagnetic waterfront surveillance in a vicinity of an oil well347US 11,035,972 B2Saudi Arabian Oil Company · 2021
- Magnetic resonance method for characterizing fluid samples withdrawn from subsurface formations158US 6,346,813 B1Schlumberger Technology Corporation · 2002
- Magnetometer126US 5,189,368 ALockheed Sanders, Inc. · 1993
- Method and device intended for seismic exploration of an underwater subsurface zone using seismic receivers coupled with the water bottom123US 6,625,083 B2Institut Francais du Petrole · 2003
- Nuclear magnetic resonance borehole logging apparatus and method for ascertaining a volume of hydrocarbons independent of a diffusion coefficient98US 5,796,252 ASchlumberger Technology Corporation · 1998