C12M 29/22
Oxygen discharge
Official title: {Oxygen discharge}
C12M29/22 (Oxygen discharge) appears on 16 US grants and 36 published applications in this corpus.
Search patents in C12M- Granted patents
- 16
- Published applications
- 36
- Assignees
- 22
- Inventors
- 74
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 2 | 4 |
| 2011 | 0 | 1 |
| 2012 | 1 | 3 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 0 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 2 |
| 2019 | 0 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 2 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 4 |
| 2025 | 1 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compound algae culture apparatus24 Feb 2026US 12,559,706 B2
- Wide area optical photothermal infrared spectroscopy26 Aug 2025US 12,399,117 B2Photothermal Spectroscopy Corp.
- Wide area optical photothermal infrared spectroscopy23 Jan 2024US 11,879,837 B2Photothermal Spectroscopy Corp.
- Integrated system to produce microalgae10 Mar 2020US 10,584,310 B2
- Transfer device23 Oct 2018US 10,106,767 B2Airbus DS GmbH
- Systems and methods for oxygenating culture media in perfusion bioreactors16 Jul 2026US 2026/0201306 A1Corning Incorporated
- Wide area optical photothermal infrared spectroscopy29 Jan 2026US 2026/0029340 A1Photothermal Spectroscopy Corp.
- Systems and methods for cyanobacteria indoor air biofiltration to reduce air handling energy consumption26 Jun 2025US 2025/0207079 A1
- Biological reaction device and culture method for adventitious roots of panax ginseng c. a. mey12 Dec 2024US 2024/0409887 A1Shanghai Kodilin Technology Co., Ltd
- Apparatus and method for growing biological material25 Jul 2024US 2024/0247217 A1Byron Bioreactor Technologies Pty Ltd
Most cited
By later US patents
- Apparatus for the intensive, controlled production of microorganisms by photosynthesis45US 4,868,123 ACommissariat A L' Energie Atomique · 1989
- Closed photobioreactor system for continued daily in situ production, separation, collection, and removal of ethanol from genetically enhanced photosynthetic organisms42US 7,682,821 B2Algenol Biofuels Switzerland GmbH · 2010
- Vegetable alga and microbe photosynthetic reaction system and method for the same15US 7,056,725 B12006
- Bioreactor for culturing microorganisms13US 7,425,441 B2Sartorius Stedim Biotech GmbH · 2008
- Alga microbe photosynthetic reaction system5US 7,851,211 B22010