C12M 21/12
Bioreactors or fermenters specially adapted for specific uses: for producing fuels or
Official title: {for producing fuels or solvents (C12M21/04 takes precedence; liquid carbonaceous fuels C10L1/00, solid fuels C10L5/00)}
C12M21/12 (Bioreactors or fermenters specially adapted for specific uses: for producing fuels or) appears on 392 US grants and 655 published applications in this corpus.
Search patents in C12M- Granted patents
- 392
- Published applications
- 655
- Assignees
- 292
- Inventors
- 1,032
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 8 |
| 2006 | 1 | 3 |
| 2007 | 2 | 5 |
| 2008 | 2 | 26 |
| 2009 | 4 | 34 |
| 2010 | 4 | 45 |
| 2011 | 17 | 35 |
| 2012 | 19 | 53 |
| 2013 | 34 | 63 |
| 2014 | 31 | 47 |
| 2015 | 31 | 44 |
| 2016 | 22 | 38 |
| 2017 | 28 | 32 |
| 2018 | 30 | 20 |
| 2019 | 19 | 25 |
| 2020 | 21 | 22 |
| 2021 | 14 | 37 |
| 2022 | 10 | 22 |
| 2023 | 17 | 36 |
| 2024 | 18 | 30 |
| 2025 | 14 | 14 |
| 2026 | 14 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High shear mixer25 Aug 2026US 12,716,048 B2LucasE3, L.C.
- Integrated methanol synthesis and fermentation system4 Aug 2026US 12,698,464 B2Arbela Laboratories, Inc.
- Methods of feedstock conversion using a biofilm bioreactor21 Jul 2026US 12,686,842 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Process and system for producing pulp, energy, and bioderivatives from plant-based and recycled materials14 Jul 2026US 12,678,759 B2Circ, LLC
- System and method for enhanced ethanol production14 Jul 2026US 12,679,794 B2ICM, Inc.
- Method for producing bioethanol and device for producing bioethanol8 Oct 2026US 2026/0308643 A1ARKHE Co., Ltd.
- Process and System for Producing Pulp, Energy, and Bioderivatives from Plant-Based and Recycled Materials10 Sep 2026US 2026/0264040 A1Circ, LLC
- Processes for converting biomass into high-value products10 Sep 2026US 2026/0265674 A1The Texas A&M University System
- Biogas feed for carbon monoxide production27 Aug 2026US 2026/0250588 A1Topsoe A/S
- Production system for organic substance, production device for organic substance, and method for producing organic substance20 Aug 2026US 2026/0242707 A1Sekisui Chemical Co., Ltd.
Most cited
By later US patents
- Processing biomass176US 7,932,065 B2Xyleco, Inc. · 2011
- Biological production of ethanol from waste gases with Clostridium ljungdahlii159US 6,136,577 ABioengineering Resources, Inc. · 2000
- Methods for increasing the production of ethanol from microbial fermentation151US 7,285,402 B2Emmaus Foundation, Inc. · 2007
- Continuous counter-current organosolv processing of lignocellulosic feedstocks95US 7,465,791 B1Lignol Innovations Ltd. · 2008
- System and method for extracting energy from agricultural waste79US 7,169,821 B2Best Biofuels LLC c/o Smithfield Foods, Inc. · 2007