B01D 39/04
Organic material
Official title: Organic material, e.g. cellulose, cotton
B01D39/04 (Organic material) appears on 217 US grants and 262 published applications in this corpus.
Search patents in B01D- Granted patents
- 217
- Published applications
- 262
- Assignees
- 184
- Inventors
- 601
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 12 |
| 2003 | 2 | 10 |
| 2004 | 5 | 17 |
| 2005 | 8 | 9 |
| 2006 | 10 | 5 |
| 2007 | 3 | 9 |
| 2008 | 4 | 12 |
| 2009 | 6 | 9 |
| 2010 | 6 | 10 |
| 2011 | 5 | 6 |
| 2012 | 8 | 7 |
| 2013 | 6 | 10 |
| 2014 | 3 | 6 |
| 2015 | 1 | 9 |
| 2016 | 7 | 11 |
| 2017 | 7 | 7 |
| 2018 | 1 | 8 |
| 2019 | 6 | 15 |
| 2020 | 13 | 14 |
| 2021 | 14 | 22 |
| 2022 | 10 | 16 |
| 2023 | 13 | 15 |
| 2024 | 8 | 10 |
| 2025 | 11 | 8 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Minimum packaging volume structure and packaging method for dual-tank pet water dispenser29 Sep 2026US 12,747,080 B1Shenzhen Qianhai Runway Technology Co., LTD.
- Formulations and processes for treating water from impacted sources25 Aug 2026US 12,714,991 B2Brown University
- Filtration device and water filtration pitcher comprising the same13 Jan 2026US 12,521,650 B2King's Flair Innovative Marketing Limited
- Substrate processing apparatus and substrate processing method23 Dec 2025US 12,503,763 B2Tokyo Electron Limited
- Filtration devices and methods thereof28 Oct 2025US 12,453,934 B2Ojai Energetics PBC
- Purification of capsular polysaccharides13 Aug 2026US 2026/0234293 A1Vaxcyte, Inc.
- Vacuum cleaner filter bag and method for preparing the vacuum cleaner filter bag11 Jun 2026US 2026/0158426 A1Essilor International
- Biochar materials for abatement of pollutants4 Jun 2026US 2026/0151717 A1AbTech Industries, Inc.
- Filtration system14 May 2026US 2026/0131263 A2The Pennington School
- Filtration devices and methods thereof29 Jan 2026US 2026/0027499 A1Ojai Energetics PBC
Most cited
By later US patents
- Polymer, polymer microfiber, polymer nanofiber and applications including filter structures252US 6,743,273 B2Donaldson Company, Inc. · 2004
- Device and method for depletion of the leukocyte content of blood and blood components203US 4,925,572 APall Corporation · 1990
- Process if making fine fiber material131US 6,955,775 B2Donaldson Company, Inc. · 2005
- Polymer, polymer microfiber, polymer nanofiber and applications including filter structures120US 6,924,028 B2Donaldson Company, Inc. · 2005
- Web comprising fine fiber and reactive, adsorptive or absorptive particulate116US 7,655,070 B1Donaldson Company, Inc. · 2010