B09C 1/005
Extraction of vapours or gases using vacuum or venting
Official title: {Extraction of vapours or gases using vacuum or venting}
B09C1/005 (Extraction of vapours or gases using vacuum or venting) appears on 203 US grants and 103 published applications in this corpus.
Search patents in B09C- Granted patents
- 203
- Published applications
- 103
- Assignees
- 112
- Inventors
- 316
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 7 | 0 |
| 1991 | 9 | 0 |
| 1992 | 10 | 0 |
| 1993 | 9 | 0 |
| 1994 | 13 | 0 |
| 1995 | 11 | 0 |
| 1996 | 9 | 0 |
| 1997 | 10 | 0 |
| 1998 | 6 | 0 |
| 1999 | 10 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 3 |
| 2002 | 3 | 2 |
| 2003 | 4 | 7 |
| 2004 | 4 | 7 |
| 2005 | 6 | 5 |
| 2006 | 4 | 1 |
| 2007 | 1 | 3 |
| 2008 | 3 | 3 |
| 2009 | 2 | 4 |
| 2010 | 1 | 4 |
| 2011 | 2 | 2 |
| 2012 | 2 | 1 |
| 2013 | 2 | 5 |
| 2014 | 3 | 1 |
| 2015 | 1 | 8 |
| 2016 | 4 | 5 |
| 2017 | 5 | 6 |
| 2018 | 6 | 4 |
| 2019 | 3 | 6 |
| 2020 | 5 | 8 |
| 2021 | 6 | 3 |
| 2022 | 6 | 5 |
| 2023 | 3 | 3 |
| 2024 | 5 | 5 |
| 2025 | 0 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatuses, systems and methods for draining an air moisture separator5 May 2026US 12,616,916 B1
- Devices and techniques relating to landfill gas extraction7 Apr 2026US 12,594,590 B2Loci Controls, Inc.
- Devices and techniques relating to landfill gas extraction10 Dec 2024US 12,162,053 B2Loci Controls, Inc.
- Devices and techniques relating to landfill gas extraction17 Sep 2024US 12,090,532 B2Loci Controls, Inc.
- Landfill gas extraction systems and methods10 Sep 2024US 12,083,565 B2Loci Controls, Inc.
- In-situ integrated device for purifying vocs in groundwater and an application method thereof11 Jun 2026US 2026/0159428 A1Chinese Research Academy of Environmental Sciences
- Devices and techniques relating to landfill gas extraction13 Feb 2025US 2025/0050395 A1Loci Controls, Inc.
- Landfill gas extraction systems and methods28 Nov 2024US 2024/0390958 A1Loci Controls, Inc.
- Devices and techniques relating to landfill gas extraction28 Nov 2024US 2024/0390961 A1Loci Controls, Inc.
- A method and system for remediating a wellbore21 Nov 2024US 2024/0384640 A1
Most cited
By later US patents
- Vacuum method for removing soil contaminants utilizing thermal conduction heating341US 5,318,116 AShell Oil Company · 1994
- Vacuum method for removing soil contaminants utilizing thermal conduction heating337US 5,190,405 AShell Oil Company · 1993
- Method for recovering contaminants from soil utilizing electrical heating315US 5,656,239 AShell Oil Company · 1997
- Remediation method305US 5,997,214 AShell Oil Company · 1999
- Methods for isolating a water table and for soil remediation228US 5,435,666 AEnvironmental Resources Management, Inc. · 1995