C12M 21/02
Photobioreactors
Official title: {Photobioreactors (culturing algae A01G33/00, A01H4/001, C12N1/12)}
C12M21/02 (Photobioreactors) appears on 652 US grants and 1,265 published applications in this corpus.
Search patents in C12M- Granted patents
- 652
- Published applications
- 1,265
- Assignees
- 636
- Inventors
- 2,123
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 4 |
| 2003 | 8 | 7 |
| 2004 | 3 | 5 |
| 2005 | 1 | 6 |
| 2006 | 1 | 4 |
| 2007 | 4 | 12 |
| 2008 | 2 | 30 |
| 2009 | 3 | 49 |
| 2010 | 16 | 90 |
| 2011 | 16 | 118 |
| 2012 | 28 | 97 |
| 2013 | 48 | 96 |
| 2014 | 49 | 88 |
| 2015 | 42 | 63 |
| 2016 | 37 | 78 |
| 2017 | 39 | 64 |
| 2018 | 39 | 35 |
| 2019 | 39 | 39 |
| 2020 | 33 | 60 |
| 2021 | 22 | 68 |
| 2022 | 29 | 42 |
| 2023 | 28 | 55 |
| 2024 | 30 | 58 |
| 2025 | 32 | 58 |
| 2026 | 24 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- CO2-fed photobioreactor6 Oct 2026US 12,753,380 B2Phyco2 LLC
- Circular moving layout structure and method for stacked biological culture trays on ground, and pasture plant22 Sep 2026US 12,740,515 B2Qingdao Renjinli Innovation Technology Center (Sole Proprietorship)
- Systems and methods for capturing greenhouse gases utilizing algae28 Jul 2026US 12,691,412 B2Saudi Arabian Oil Company
- Closed photobioreactors for microorganism cultivation28 Jul 2026US 12,692,466 B2Brevel Ltd.
- Method and system for membrane carbonation9 Jun 2026US 12,649,898 B2Arizona Board of Regents on behalf of Arizona State University
- System and method for cultivating algae24 Sep 2026US 2026/0286261 A1Signify Holding B. V.
- Index-matched, bulk-scattering optical fibers for enhancing photosynthesis by photosynthetic microorganisms and to methods of preparing and using the same17 Sep 2026US 2026/0276865 A1Board of Trustees of Michigan State University
- Device and method for capturing atmospheric pollutants10 Sep 2026US 2026/0265785 A1Life Work Servicos Especializados Ltda
- Modularly scalable photobioreactor3 Sep 2026US 2026/0258331 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Environmental treatment distribution systems and methods20 Aug 2026US 2026/0240126 A1Lillianah Technologies Inc.
Most cited
By later US patents
- Process for the selective production of polyunsaturated fatty acids from a culture of microalgae of the porphyridium cruentum190US 5,338,673 ACommissariat A L' Energie Atomique · 1994
- Marine LED lighting system and method169US 7,220,018 B2Orbital Technologies Corporation · 2007
- Method and apparatus for extracting carbon dioxide from air125US 7,708,806 B2Global Research Technologies, LLC · 2010
- Method of culturing algae capable of producing phototrophic pigments, highly unsaturated fatty acids, or polysaccharides at high concentration119US 6,579,714 B1Micro Gaia Co., Ltd. · 2003
- Microalgae separator apparatus and method117US 6,524,486 B2Sepal Technologies Ltd. · 2003