C12M 41/18
Heat exchange systems
Official title: {Heat exchange systems, e.g. heat jackets or outer envelopes}
C12M41/18 (Heat exchange systems) appears on 381 US grants and 480 published applications in this corpus.
Search patents in C12M- Granted patents
- 381
- Published applications
- 480
- Assignees
- 358
- Inventors
- 1,198
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 8 | 0 |
| 1981 | 4 | 0 |
| 1982 | 8 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 8 |
| 2003 | 9 | 6 |
| 2004 | 1 | 7 |
| 2005 | 2 | 5 |
| 2006 | 4 | 4 |
| 2007 | 3 | 4 |
| 2008 | 3 | 8 |
| 2009 | 2 | 13 |
| 2010 | 3 | 14 |
| 2011 | 6 | 17 |
| 2012 | 12 | 17 |
| 2013 | 9 | 25 |
| 2014 | 13 | 22 |
| 2015 | 11 | 27 |
| 2016 | 17 | 36 |
| 2017 | 16 | 34 |
| 2018 | 16 | 18 |
| 2019 | 24 | 23 |
| 2020 | 26 | 26 |
| 2021 | 16 | 35 |
| 2022 | 19 | 24 |
| 2023 | 14 | 26 |
| 2024 | 17 | 35 |
| 2025 | 31 | 28 |
| 2026 | 7 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Biomass reactor and process8 Sep 2026US 12,729,365 B2Nederlands Organisatie voor toegepast—natuurwetenschappeljikOnderzoek TWO
- Process for producing a bio-inactve and shelf stable biomass matter derived from bioactive biomass feedstock11 Aug 2026US 12,703,847 B1Green Recovery Technologies, LLC
- Biogas reactor and methods for producing biogas21 Apr 2026US 12,606,781 B2Bgcnordic Oy
- Systems and methods for producing ammonium nitrate17 Mar 2026US 12,577,523 B2Sedron Technologies, LLC
- Systems and devices for wound therapy and related methods of use10 Mar 2026US 12,570,949 B2AVITA Medical Americas, LLC
- Automatic culture device and automatic culture system1 Oct 2026US 2026/0297496 A1Hitachi High-Tech Corporation
- Biological fermentation reactor based on rotary jet stirring and method thereof10 Sep 2026US 2026/0265658 A1Nanjing Tech University
- Production apparatus for seed mold and production method for seed mold13 Aug 2026US 2026/0234521 A1Fujiwara Techno-Art Co., Ltd.
- A modular scale-down reactor23 Jul 2026US 2026/0209664 A1Danmarks Tekniske Universitet
- Fermentation device23 Jul 2026US 2026/0209678 A1
Most cited
By later US patents
- Cell culture bioreactor174US 5,443,985 AAlberta Research Council · 1995
- Anaerobic digester system158US 6,299,774 B12001
- Automated cell culture and testing system146US 5,424,209 A1995
- Bioreactor and system for improved productivity of photosynthetic algae73US 5,958,761 AYeda Research and Developement Co. Ltd. · 1999
- Integrated anaerobic digester system68US 6,569,332 B22003