C12M 41/02
Means for regulation, monitoring, measurement or control: of foam
Official title: {of foam (foam prevention during gasification of liquids B01D19/02)}
C12M41/02 (Means for regulation, monitoring, measurement or control: of foam) appears on 81 US grants and 83 published applications in this corpus.
Search patents in C12M- Granted patents
- 81
- Published applications
- 83
- Assignees
- 67
- Inventors
- 240
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 3 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 5 |
| 2013 | 0 | 1 |
| 2014 | 5 | 3 |
| 2015 | 1 | 4 |
| 2016 | 2 | 2 |
| 2017 | 4 | 5 |
| 2018 | 1 | 4 |
| 2019 | 2 | 1 |
| 2020 | 1 | 6 |
| 2021 | 5 | 5 |
| 2022 | 2 | 8 |
| 2023 | 1 | 8 |
| 2024 | 4 | 8 |
| 2025 | 5 | 6 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Reduced-headspace digester1 Sep 2026US 12,722,994 B2Suez International
- Automated foam detection19 May 2026US 12,630,799 B2Sartorius Stedim Data Analytics AB
- Method, system, and sensor device for monitoring foam in vessel10 Feb 2026US 12,546,795 B2Nirrin Technologies, Inc.
- Method for membrane gas transfer in high density bioreactor culture16 Sep 2025US 12,415,980 B2Boehringer Ingelheim International GmbH
- Detecting foam in a bioreactor plant3 Jun 2025US 12,319,906 B2Sartorius Stedim Biotech GmbH
- Foam breaker device and methods of use27 Aug 2026US 2026/0250618 A1Life Technologies Corporation
- Foam destruction device and a process for foam destruction6 Aug 2026US 2026/0226389 A1Boehringer Ingelheim International GmbH
- Defoaming device that suctions and removes foam generated at upper part of treatment liquid in treatment tank, treatment apparatus including defoaming device, and defoaming method using defoaming device26 Mar 2026US 2026/0085270 A1Mitsubishi Chemical Engineering Corporation
- Method for membrane gas transfer in high density bioreactor culture4 Dec 2025US 2025/0368939 A1Boehringer Ingelheim International GmbH
- Circulating bioreactor with bubble trap29 May 2025US 2025/0171724 A1
Most cited
By later US patents
- Mass algal culture system110US 4,320,594 ABattelle Memorial Institute · 1982
- Mass algal culture system105US 4,253,271 ABattelle Memorial Institute · 1981
- Fermentor/bioreactor systems having high aeration capacity55US 5,075,234 A1991
- Photobioreactor51US 5,104,803 AMartek Corporation · 1992
- Fermentation apparatus49US 4,670,397 APhillips Petroleum Company · 1987