B01D 2257/91
Bacteria
Official title: Bacteria; Microorganisms
B01D2257/91 (Bacteria) appears on 409 US grants and 694 published applications in this corpus.
Search patents in B01D- Granted patents
- 409
- Published applications
- 694
- Assignees
- 443
- Inventors
- 1,405
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 5 |
| 2003 | 4 | 5 |
| 2004 | 4 | 6 |
| 2005 | 1 | 15 |
| 2006 | 5 | 22 |
| 2007 | 8 | 20 |
| 2008 | 9 | 17 |
| 2009 | 8 | 19 |
| 2010 | 13 | 15 |
| 2011 | 10 | 24 |
| 2012 | 16 | 20 |
| 2013 | 14 | 20 |
| 2014 | 15 | 12 |
| 2015 | 10 | 20 |
| 2016 | 14 | 24 |
| 2017 | 21 | 32 |
| 2018 | 15 | 26 |
| 2019 | 17 | 40 |
| 2020 | 19 | 29 |
| 2021 | 34 | 60 |
| 2022 | 23 | 71 |
| 2023 | 35 | 84 |
| 2024 | 30 | 45 |
| 2025 | 40 | 38 |
| 2026 | 21 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Photocatalyst filter and electronic device comprising same15 Sep 2026US 12,734,266 B2Samsung Electronics Co., Ltd.
- Composite for air purification, method of manufacturing the same, and filter including the same25 Aug 2026US 12,714,958 B2Hyundai Motor Company
- Modular graphene oxide-based microbial fuel filter and process of making and using same28 Jul 2026US 12,691,397 B2The United States of America as represented by the Secretary of the Air Force
- Air purifier with air treatment basket30 Jun 2026US 12,667,809 B2BISSELL Inc.
- Filtered media basket for air purifier16 Jun 2026US 12,654,120 B2BISSELL Inc.
- Exhaled breath capture modules and substrate-based probes for monitoring proteolysis activity3 Sep 2026US 2026/0259181 A1Zeteo Tech, Inc.
- Device and method of producing hypoxic/hyperoxic/normoxic gas mixtures13 Aug 2026US 2026/0232943 A1Z+ Health Srl
- Purification of capsular polysaccharides13 Aug 2026US 2026/0234293 A1Vaxcyte, Inc.
- Algae harvesting device23 Jul 2026US 2026/0206700 A1University of Technology, Sydney
- Process of manufacturing a device and device for the treatment of fluids23 Jul 2026US 2026/0208125 A1Medica Corporation
Most cited
By later US patents
- Operating room smoke evacuator with integrated vacuum motor and filter302US 7,597,731 B2Medtek Devices, Inc. · 2009
- Operating room smoke evacuator with integrated vacuum motor and filter269US 7,892,337 B2Medtek Devices, Inc. · 2011
- Filter and method for removing mercury, bacteria, pathogens and other vapors from gas134US 4,917,862 A1990
- Surgery plume filter device and method of filtering123US 5,522,808 AEnviroSurgical, Inc. · 1996
- Air purification and decontamination for hazmat suits100US 7,658,891 B12010