C09K 8/582
Characterised by the use of bacteria
Official title: characterised by the use of bacteria
C09K8/582 (Characterised by the use of bacteria) appears on 182 US grants and 267 published applications in this corpus.
Search patents in C09K- Granted patents
- 182
- Published applications
- 267
- Assignees
- 99
- Inventors
- 410
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 3 |
| 2007 | 1 | 8 |
| 2008 | 4 | 8 |
| 2009 | 5 | 15 |
| 2010 | 7 | 14 |
| 2011 | 9 | 15 |
| 2012 | 5 | 28 |
| 2013 | 14 | 12 |
| 2014 | 15 | 27 |
| 2015 | 10 | 10 |
| 2016 | 7 | 15 |
| 2017 | 11 | 10 |
| 2018 | 8 | 14 |
| 2019 | 14 | 10 |
| 2020 | 8 | 13 |
| 2021 | 11 | 16 |
| 2022 | 9 | 12 |
| 2023 | 13 | 7 |
| 2024 | 9 | 12 |
| 2025 | 10 | 8 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and systems for producing organic compounds in a subterranean environment25 Aug 2026US 12,716,334 B2Cemvita Factory, Inc.
- Lignin-based compositions and related hydrocarbon separation methods28 Jul 2026US 12,692,429 B2LignoSol IP Limited
- Multi-functional compositions for enhanced oil and gas recovery and other petroleum industry applications7 Jul 2026US 12,674,087 B2Locus Solutions Ipco, LLC
- Lignin-based compositions and related methods26 May 2026US 12,637,605 B2LignoSol IP Limited
- Microbially enhanced thermal oil recovery26 May 2026US 12,637,932 B29668241 Canada Inc.
- Lignin-based compositions and related methods10 Sep 2026US 2026/0265600 A1LignoSol IP Limited
- Microbially enhanced thermal oil recovery3 Sep 2026US 2026/0258720 A19668241 Canada Inc.
- Method for in-situ removal of reservoir plugging using microorganisms and in-situ reservoir oil displacement, and iron-reducing bacterium activator25 Jun 2026US 2026/0176523 A1China University of Geosciences (Beijing)
- Microcapsules containing bio-based agents for downhole applications in oil and gas industry and method of their production11 Jun 2026US 2026/0159743 A1Saudi Arabian Oil Company
- Methods for microbial gas production and use as isotopic tracer8 Jan 2026US 2026/0008952 A1University of Wyoming
Most cited
By later US patents
- Apparatus for on-site production of nitrate ions409US 7,514,058 B1The Lata Group, Inc. · 2009
- Microbial enhanced oil recovery and compositions therefor99US 4,905,761 AIIT Research Institute · 1990
- Process for stimulating microbial activity in a hydrocarbon-bearing, subterranean formation92US 6,543,535 B2ExxonMobil Upstream Research Company · 2003
- Bacteria and its use in a microbial profile modification process45US 4,799,545 AChevron Research Company · 1989
- Microbiome based systems, apparatus and methods for the exploration and production of hydrocarbons34US 9,771,795 B2Biota Technology, Inc. · 2017