E03B 3/15
Keeping wells in good condition
Official title: Keeping wells in good condition, e.g. by cleaning, repairing, regenerating; Maintaining or enlarging the capacity of wells or water-bearing layers (with artificial enrichment E03B3/32 {; cleaning, in general B08B})
E03B3/15 (Keeping wells in good condition) appears on 58 US grants and 41 published applications in this corpus.
Search patents in E03B- Granted patents
- 58
- Published applications
- 41
- Assignees
- 30
- Inventors
- 84
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 3 |
| 2004 | 2 | 2 |
| 2005 | 1 | 3 |
| 2006 | 1 | 2 |
| 2007 | 3 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 3 | 0 |
| 2015 | 0 | 0 |
| 2016 | 2 | 2 |
| 2017 | 0 | 2 |
| 2018 | 2 | 1 |
| 2019 | 1 | 0 |
| 2020 | 3 | 4 |
| 2021 | 2 | 3 |
| 2022 | 1 | 2 |
| 2023 | 4 | 2 |
| 2024 | 6 | 1 |
| 2025 | 6 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Assessing and remediating well clogging from precipitate, systems, apparatuses, and methods23 Jun 2026US 12,662,903 B1Sevee & Maher Engineers, Inc.
- Increasing production from water wells23 Dec 2025US 12,503,839 B2Thru Tubing Solutions, Inc.
- Accessing wells below an obstruction or discontinuity9 Dec 2025US 12,492,534 B2Thru Tubing Solutions, Inc.
- Systems, apparatuses, and methods for changing a primary extraction location from an aquifer utilizing a custom extended pump sleeve (CEPS)23 Sep 2025US 12,421,698 B1Sevee & Maher Engineers, Inc.
- System and method for rehabilitating a water well with compressed nitrogen5 Aug 2025US 12,378,845 B2Airburst Technology, LLC
- Carbon Utilization and Storage through Rehabilitation of Groundwater Wells2 Jul 2026US 2026/0183707 A1Subsurface Technologies, Inc.
- Increasing production from water wells27 Mar 2025US 2025/0101720 A1Thru Tubing Solutions, Inc.
- Accessing wells below an obstruction or discontinuity27 Mar 2025US 2025/0101809 A1Thru Tubing Solutions, Inc.
- Coiled tubing conveyed electrical orienter27 Mar 2025US 2025/0101810 A1
- System and method for rehabilitating a water well with compressed nitrogen18 Apr 2024US 2024/0125211 A1Airburst Technology, LLC
Most cited
By later US patents
- Method for prevention of well fouling109US 5,069,286 AThe Mogul Corporation · 1991
- Water well treating method41US 4,830,111 A1989
- Aerating apparatus for expelling volatile impurities from ground water40US 4,943,305 A1990
- Method of purifying ground water31US 4,755,304 AFour Seasons Venture Capital AB · 1988
- Method and apparatus for inhibiting biological fouling of water wells20US 5,190,108 ALayne-Western Company, Inc. · 1993