B09B 1/006
Shafts or wells in waste dumps
Official title: {Shafts or wells in waste dumps}
B09B1/006 (Shafts or wells in waste dumps) appears on 142 US grants and 178 published applications in this corpus.
Search patents in B09B- Granted patents
- 142
- Published applications
- 178
- Assignees
- 81
- Inventors
- 196
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 3 |
| 2005 | 2 | 2 |
| 2006 | 1 | 3 |
| 2007 | 3 | 7 |
| 2008 | 4 | 2 |
| 2009 | 0 | 3 |
| 2010 | 2 | 4 |
| 2011 | 2 | 4 |
| 2012 | 3 | 2 |
| 2013 | 0 | 2 |
| 2014 | 1 | 7 |
| 2015 | 3 | 6 |
| 2016 | 4 | 2 |
| 2017 | 4 | 14 |
| 2018 | 13 | 9 |
| 2019 | 12 | 7 |
| 2020 | 11 | 21 |
| 2021 | 17 | 14 |
| 2022 | 8 | 8 |
| 2023 | 7 | 13 |
| 2024 | 11 | 24 |
| 2025 | 12 | 13 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Devices and techniques relating to landfill gas extraction8 Sep 2026US 12,728,450 B2Loci Controls, Inc.
- System and method for landfill dewatering using a venturi air lift liquid pump14 Jul 2026US 12,678,839 B1Wm Intellectual Property Holdings, L.L.C.
- Floatless pumps and control systems21 Apr 2026US 12,607,105 B2Nextech Environmental, LLC
- Devices and techniques relating to landfill gas extraction24 Mar 2026US 12,583,022 B2Loci Controls, Inc.
- Devices and techniques relating to landfill gas extraction10 Feb 2026US 12,544,812 B2Loci Controls, Inc.
- Fail-safe waste gas collection system8 Oct 2026US 2026/0307121 A1Watershed Geosynthetics LLC
- Autonomous Wellhead Monitoring And Pressure Adjusting System10 Sep 2026US 2026/0264122 A1
- High sensitivity pressure relief valve for waste gas collection systems20 Aug 2026US 2026/0243363 A1Watershed Geosynthetics LLC
- Non-linear valve adjustments for landfill gas extraction20 Aug 2026US 2026/0243745 A1
- Verifiable and repairable dry tomb biolandfill for biological carbon sequestration and methods of construction23 Jul 2026US 2026/0208243 A1Graphyte, Inc.
Most cited
By later US patents
- Method for testing and monitoring for producing landfill gas126US 4,026,355 ANRG Nufuel Company · 1977
- Landfill gas recovery system and method with pressure symmetry104US 4,469,176 AGetty Synthetic Fuels, Inc. · 1984
- Landfill gas extraction constant flow control method and device78US 6,999,883 B12006
- Devices and methods for landfill gas well monitoring and control78US 9,062,536 B2Graco Minnesota Inc. · 2015
- Collection of landfill gas at variable rates to match temporal needs for energy generation74US 7,972,082 B22011