C12P 5/023
Methane
Official title: {Methane}
C12P5/023 (Methane) appears on 549 US grants and 872 published applications in this corpus.
Search patents in C12P- Granted patents
- 549
- Published applications
- 872
- Assignees
- 504
- Inventors
- 1,595
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 3 |
| 2003 | 2 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 5 |
| 2006 | 1 | 11 |
| 2007 | 2 | 17 |
| 2008 | 4 | 27 |
| 2009 | 8 | 42 |
| 2010 | 12 | 51 |
| 2011 | 21 | 42 |
| 2012 | 28 | 39 |
| 2013 | 22 | 57 |
| 2014 | 33 | 61 |
| 2015 | 27 | 61 |
| 2016 | 34 | 53 |
| 2017 | 35 | 61 |
| 2018 | 38 | 38 |
| 2019 | 41 | 34 |
| 2020 | 30 | 38 |
| 2021 | 33 | 36 |
| 2022 | 21 | 44 |
| 2023 | 20 | 43 |
| 2024 | 27 | 43 |
| 2025 | 32 | 48 |
| 2026 | 13 | 13 |
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.
- System and method for improved anaerobic digestion18 Aug 2026US 12,709,563 B2Topstone Ventures, LLC
- Approach for biogas generation18 Aug 2026US 12,709,762 B2Sixring Inc.
- Biogas collection apparatus and method of use14 Jul 2026US 12,680,115 B2
- Carbon dioxide-neutral bio converter facilities for producing biogas using hydrogen and activated carbon compositions in the fermentation liquid of the bio converter2 Jun 2026US 12,644,082 B2Nefigmann GmbH
- Process for converting raw bagasse into processed bagasse and processed bagasse made accordingly8 Oct 2026US 2026/0308642 A1
- Compartmented reaction vessel, system and method for converting a substrate to a product13 Aug 2026US 2026/0233187 A1USW Commercial Services Ltd.
- Ex-situ biomethanation method16 Jul 2026US 2026/0201426 A1
- System and method for producing a fuel product25 Jun 2026US 2026/0176541 A1
- Process for capturing carbon dioxide using bio-digester slurry leading to manure quality improvement7 May 2026US 2026/0124572 A1Indian Oil Corporation Limited
Most cited
By later US patents
- Method for processing lignocellulosic material150US 6,555,350 B2Forskningscenter Riso · 2003
- Two phase anaerobic digestion107US 4,022,665 AInstitute of Gas Technology · 1977
- Continuous counter-current organosolv processing of lignocellulosic feedstocks95US 7,465,791 B1Lignol Innovations Ltd. · 2008
- Process for stimulating microbial activity in a hydrocarbon-bearing, subterranean formation92US 6,543,535 B2ExxonMobil Upstream Research Company · 2003
- Processing biomass and petroleum containing materials82US 7,931,784 B2Xyleco, Inc. · 2011