C12M 29/04
Filters
Official title: {Filters; Permeable or porous membranes or plates, e.g. dialysis}
C12M29/04 (Filters) appears on 866 US grants and 1,291 published applications in this corpus.
Search patents in C12M- Granted patents
- 866
- Published applications
- 1,291
- Assignees
- 732
- Inventors
- 3,070
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 11 | 0 |
| 1988 | 11 | 0 |
| 1989 | 12 | 0 |
| 1990 | 17 | 0 |
| 1991 | 13 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 10 | 0 |
| 1996 | 9 | 0 |
| 1997 | 10 | 0 |
| 1998 | 11 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 1 |
| 2002 | 6 | 9 |
| 2003 | 8 | 7 |
| 2004 | 6 | 18 |
| 2005 | 5 | 10 |
| 2006 | 5 | 12 |
| 2007 | 5 | 17 |
| 2008 | 3 | 20 |
| 2009 | 2 | 14 |
| 2010 | 7 | 25 |
| 2011 | 9 | 24 |
| 2012 | 11 | 26 |
| 2013 | 12 | 35 |
| 2014 | 17 | 40 |
| 2015 | 17 | 44 |
| 2016 | 28 | 69 |
| 2017 | 44 | 73 |
| 2018 | 41 | 59 |
| 2019 | 56 | 59 |
| 2020 | 51 | 97 |
| 2021 | 48 | 108 |
| 2022 | 51 | 109 |
| 2023 | 58 | 113 |
| 2024 | 73 | 103 |
| 2025 | 73 | 110 |
| 2026 | 50 | 89 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of reducing nitrogen oxide concentration in sample, bioreactor, and plug flow reactor29 Sep 2026US 12,747,458 B2Korea Advanced Institute of Science and Technology
- Bile duct chip and use thereof15 Sep 2026US 12,735,663 B2Kyoto University
- Device for producing metabolites8 Sep 2026US 12,729,356 B2Generen Labs, Inc.
- Hollow fiber screening tool, system, and method8 Sep 2026US 12,729,362 B2Repligen Corporation
- Culture device1 Sep 2026US 12,723,229 B2Canon Kabushiki Kaisha
- Stacked bioreactor for cellular therapeutics8 Oct 2026US 2026/0308502 A1Bruker Cellular Analysis, Inc.
- Treatment apparatus for cell culture solution, method for treating cell culture solution, and method for producing product8 Oct 2026US 2026/0308504 A1FUJIFILM Corporation
- Bio-engineered human prostate gland and disease model1 Oct 2026US 2026/0297481 A1Arizona Board of Regents on Behalf of the University of Arizona
- Microbe-gut-joint axis multi-organ chip and preparation method thereof1 Oct 2026US 2026/0297482 A1Center for Neuromusculoskeletal Restorative Medicine Limited
- Method and apparatus for mass extraction and purification of microvesicles from biological samples1 Oct 2026US 2026/0297500 A1Korea University Research and Business Foundation
Most cited
By later US patents
- Vivo refillable glucose sensor900US 4,986,271 AUniversity of New Mexico · 1991
- Enzyme electrode and method for dextran analysis456US 4,552,840 ACalifornia and Hawaiian Sugar Company · 1985
- Oxygen permeable membrane in fermenter for oxygen enrichment of broth273US 4,649,114 AIntermedicat GmbH · 1987
- Method of polarographic analysis of lactic acid and lactate219US 4,467,811 AChildren's Hospital Medical Center · 1984
- Biological production of ethanol from waste gases with Clostridium ljungdahlii159US 6,136,577 ABioengineering Resources, Inc. · 2000