C12M 23/12
Well or multiwell plates
Official title: {Well or multiwell plates (C12M25/04 takes precedence)}
C12M23/12 (Well or multiwell plates) appears on 963 US grants and 1,603 published applications in this corpus.
Search patents in C12M- Granted patents
- 963
- Published applications
- 1,603
- Assignees
- 882
- Inventors
- 3,775
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 8 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 8 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 12 | 0 |
| 1997 | 8 | 0 |
| 1998 | 10 | 0 |
| 1999 | 13 | 0 |
| 2000 | 8 | 0 |
| 2001 | 11 | 4 |
| 2002 | 9 | 16 |
| 2003 | 9 | 25 |
| 2004 | 10 | 16 |
| 2005 | 10 | 26 |
| 2006 | 11 | 21 |
| 2007 | 11 | 38 |
| 2008 | 13 | 35 |
| 2009 | 3 | 35 |
| 2010 | 20 | 52 |
| 2011 | 16 | 35 |
| 2012 | 18 | 28 |
| 2013 | 24 | 55 |
| 2014 | 23 | 49 |
| 2015 | 27 | 55 |
| 2016 | 30 | 74 |
| 2017 | 35 | 73 |
| 2018 | 47 | 77 |
| 2019 | 45 | 118 |
| 2020 | 52 | 110 |
| 2021 | 54 | 127 |
| 2022 | 56 | 117 |
| 2023 | 78 | 101 |
| 2024 | 79 | 128 |
| 2025 | 77 | 90 |
| 2026 | 58 | 98 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Platforms, systems, and methods for rapid fermenter sampling6 Oct 2026US 12,755,814 B2X Development LLC
- Cell sheet cutting assistance system, cell culture system and cell sheet cutting assistance method22 Sep 2026US 12,742,143 B2Hitachi, Ltd.
- Filtration-based systems and methods for isolation of clustered particles15 Sep 2026US 12,735,681 B2Georgia Tech Research Corporation
- Microscale bioreactor system for and method of providing cell culture growth conditions in a small-volume vessel8 Sep 2026US 12,729,357 B2Redbud Labs, Inc.
- Capillary-driven perfusion systems and methods of use8 Sep 2026US 12,729,358 B2University of Florida Research Foundation, Inc.
- Improvements in cell culture8 Oct 2026US 2026/0308500 A1Cn Bio Innovations Limited
- A system for identifying microbial growth8 Oct 2026US 2026/0308657 A1Microplate Dx Ltd.
- Pneumatic microfluidic perfuser for cell culture1 Oct 2026US 2026/0297484 A1National Research Council of Canada
- Miniaturized, Automated, And Cost-Effective Microfluidic Reactor Device1 Oct 2026US 2026/0297498 A1The Regents of the University of Michigan
- Method and apparatus for cultivating at least one cell in a cell culture plate24 Sep 2026US 2026/0286264 A1Demcon Sync Biosystems B.V.
Most cited
By later US patents
- Vascularized perfused microtissue/micro-organ arrays324US 6,197,575 B1Massachusetts Institute of Technology · 2001
- Test device193US 4,246,339 AMillipore Corporation · 1981
- Apertured cell carrier171US 5,506,141 ABar-Ilan University · 1996
- Virtual wells for use in high throughput screening assays170US 6,565,813 B1Merck & Co., Inc. · 2003
- Array-type multiple cell injector168US 5,262,128 AThe United States of America as represented by the Department of Health and Human Services · 1993