C12M 25/02
Membranes
Official title: {Membranes; Filters (filters or filtration in general B01D24/00-B01D41/00)}
C12M25/02 (Membranes) appears on 818 US grants and 1,465 published applications in this corpus.
Search patents in C12M- Granted patents
- 818
- Published applications
- 1,465
- Assignees
- 777
- Inventors
- 3,412
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 10 | 0 |
| 1993 | 10 | 0 |
| 1994 | 3 | 0 |
| 1995 | 10 | 0 |
| 1996 | 13 | 0 |
| 1997 | 16 | 0 |
| 1998 | 19 | 0 |
| 1999 | 12 | 0 |
| 2000 | 8 | 0 |
| 2001 | 3 | 2 |
| 2002 | 11 | 7 |
| 2003 | 4 | 10 |
| 2004 | 9 | 12 |
| 2005 | 5 | 13 |
| 2006 | 4 | 12 |
| 2007 | 1 | 20 |
| 2008 | 8 | 16 |
| 2009 | 4 | 19 |
| 2010 | 6 | 19 |
| 2011 | 9 | 26 |
| 2012 | 5 | 21 |
| 2013 | 13 | 41 |
| 2014 | 20 | 46 |
| 2015 | 22 | 46 |
| 2016 | 13 | 44 |
| 2017 | 29 | 63 |
| 2018 | 28 | 97 |
| 2019 | 34 | 80 |
| 2020 | 45 | 111 |
| 2021 | 43 | 132 |
| 2022 | 56 | 122 |
| 2023 | 68 | 146 |
| 2024 | 98 | 173 |
| 2025 | 83 | 100 |
| 2026 | 53 | 87 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cell culture method and cell culture device used with cell culture method6 Oct 2026US 12,753,395 B2Yamaguchi University
- Cell culture device15 Sep 2026US 12,735,664 B2Amogreentech Co., Ltd.
- Filtration-based systems and methods for isolation of clustered particles15 Sep 2026US 12,735,681 B2Georgia Tech Research Corporation
- Woven cell culture substrates, bioreactor systems using the same, and related methods4 Aug 2026US 12,698,468 B2Corning Incorporated
- Formation of arrays of planar intestinal crypts possessing a stem/proliferative cell compartment and differentiated cell zone14 Jul 2026US 12,680,062 B2The University of North Carolina at Chapel Hill
- Microphysiological system devices with self-contained photonic integrated circuit sensors8 Oct 2026US 2026/0308497 A1University of Rochester
- Perfused cell culturing systems and uses thereof8 Oct 2026US 2026/0308501 A1University of Delaware
- Apparatus for quantitative study of cellular interactions with mechanical waves8 Oct 2026US 2026/0308507 A1Arizona Board of Regents on Behalf of the University of Arizona
- Formation of arrays of planar intestinal crypts possessing a stem/proliferative cell compartment and differentiated cell zone1 Oct 2026US 2026/0297483 A1The University of North Carolina at Chapel Hill
- Microbial Detection Devices and Methods of Using the Same1 Oct 2026US 2026/0297485 A1Neogen Food Safety US Holdco Corporation
Most cited
By later US patents
- Submucosa gel as a growth substrate for cells232US 5,866,414 A1999
- Submucosa as a growth substrate for islet cells174US 5,695,998 AMethodist Hospital of Indiana, Inc. · 1997
- Method for enhancing functional properties of submucosal tissue graft constructs157US 5,753,267 APurdue Research Foundation · 1998
- Methods, compositions and devices for maintaining and growing human stem and/or hematopoietics cells151US 5,763,266 AThe Regents of the University of Michigan · 1998
- Cell culture apparatus143US 5,416,022 ACellex Biosciences, Inc. · 1995