G01V 9/02
Determining existence or flow of underground water
G01V9/02 (Determining existence or flow of underground water) appears on 77 US grants and 95 published applications in this corpus.
Search patents in G01V- Granted patents
- 77
- Published applications
- 95
- Assignees
- 59
- Inventors
- 275
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 2 |
| 2002 | 2 | 0 |
| 2003 | 3 | 3 |
| 2004 | 1 | 1 |
| 2005 | 2 | 2 |
| 2006 | 2 | 2 |
| 2007 | 2 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 2 | 3 |
| 2011 | 2 | 1 |
| 2012 | 2 | 7 |
| 2013 | 2 | 12 |
| 2014 | 4 | 6 |
| 2015 | 5 | 2 |
| 2016 | 5 | 2 |
| 2017 | 4 | 5 |
| 2018 | 1 | 8 |
| 2019 | 6 | 4 |
| 2020 | 3 | 4 |
| 2021 | 6 | 10 |
| 2022 | 3 | 5 |
| 2023 | 2 | 4 |
| 2024 | 5 | 4 |
| 2025 | 4 | 0 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Using machine learning to predict aquifers from groundwater chemistry data30 Dec 2025US 12,510,687 B2Saudi Arabian Oil Company
- Waterflood front imaging using segmentally insulated well liners as on-demand electrodes19 Aug 2025US 12,392,925 B2Saudi Arabian Oil Company
- Monitoring method for spring protection, device, medium and electronic equipment13 May 2025US 12,298,466 B1Shandong Provincial Geo-mineral Engineering Exploration Institute (801 Hydrogeological Engineering Geological Brigade of Shandong Geology and Mineral Exploration and Development Bureau)
- Evaluation device, evaluation method, and navigation control device11 Mar 2025US 12,246,806 B2Sony Group Corporation
- Apparatus and method for real-time monitoring of groundwater level and soil moisture of gully head landfill area10 Dec 2024US 12,164,078 B2Chang An University
- Method for arranging water exploration structure based on borehole-tunnel induced polarization and method for inversion water exploration by using the same16 Jul 2026US 2026/0202570 A1Shandong University
- Calculation method of karst underground reservoir capacity curve based on hydrogeological parameters23 Apr 2026US 2026/0110565 A1Yunnan Nengyang Water Conservancy and Hydropower Survey and Design Co., Ltd.
- Methodology to evaluate reservoir fracture density correlation with time lapse water saturation12 Feb 2026US 2026/0043938 A1Saudi Arabian Oil Company
- Information processing apparatus, water resource management method, information processing method, and recording medium26 Sep 2024US 2024/0320594 A1Suntory Holdings Limited
- Using machine learning to predict aquifers from groundwater chemistry data12 Sep 2024US 2024/0302563 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Device and method for measuring fluid and solute fluxes in flow systems53US 6,401,547 B1University of Florida · 2002
- Method for shallow water flow detection40US 7,672,824 B2WesternGeco L. L. C. · 2010
- Method of mapping and monitoring groundwater and subsurface aqueous systems36US 5,825,188 A1998
- Method and apparatus for in-situ wellbore measurement and control with inductive connectivity26US 9,310,510 B2Sensor Developments AS · 2016
- Method and an installation for collecting from and detecting a fresh water spring at sea21US 6,592,299 B1Nymphea Water · 2003