C12M 41/20
The heat transfer medium being a gas
Official title: {the heat transfer medium being a gas}
C12M41/20 (The heat transfer medium being a gas) appears on 25 US grants and 35 published applications in this corpus.
Search patents in C12M- Granted patents
- 25
- Published applications
- 35
- Assignees
- 28
- Inventors
- 83
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 1 |
| 2013 | 2 | 3 |
| 2014 | 1 | 3 |
| 2015 | 1 | 0 |
| 2016 | 1 | 3 |
| 2017 | 1 | 4 |
| 2018 | 1 | 0 |
| 2019 | 1 | 3 |
| 2020 | 2 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 0 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Biomass reactor and process8 Sep 2026US 12,729,365 B2Nederlands Organisatie voor toegepast—natuurwetenschappeljikOnderzoek TWO
- Solar steam explosion of algae11 Jun 2024US 12,006,495 B2ExxonMobil Technology and Engineering Company
- In vitro exposure system9 May 2023US 11,643,631 B2Electronics and Telecommunications Research Institute
- Extra-capillary fluid cycling system and method for a cell culture device31 May 2022US 11,345,882 B2Biovest International, Inc.
- Method for facilitating aerobic fermentation reaction using combustion waste gas17 Aug 2021US 11,091,731 B2
- Energy Efficient Production Process13 Nov 2025US 2025/0346848 A1The Protein Brewery B.V.
- Compact manner of growing microalgae suitable for carbon sequestration and creating a circular economy6 Nov 2025US 2025/0340806 A1Algae International Bhd
- An incubator system31 Jul 2025US 2025/0243444 A1BPC Instruments AB
- Perfusion culture device10 Jul 2025US 2025/0223535 A1Shanghai Ruiyu Biotech Co., Ltd.
- Culture device23 May 2024US 2024/0166979 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Method and system for the production of cells and cell products and applications thereof64US 8,383,397 B2Biovest International, Inc. · 2013
- Methane gas process and apparatus47US 4,057,401 ABio-Gas Corporation · 1977
- Extra-capillary fluid cycling system and method for a cell culture device43US 8,540,499 B2Biovest International, Inc. · 2013
- Solid organic waste processing apparatus42US 5,587,320 AHitachi, Ltd. · 1996
- Method and apparatus for solids processing38US 6,451,589 B1Ghd, Inc. · 2002