B01D 39/2031
The material being particulate
Official title: {the material being particulate}
B01D39/2031 (The material being particulate) appears on 184 US grants and 183 published applications in this corpus.
Search patents in B01D- Granted patents
- 184
- Published applications
- 183
- Assignees
- 158
- Inventors
- 530
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 8 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 3 |
| 2003 | 4 | 2 |
| 2004 | 1 | 5 |
| 2005 | 4 | 13 |
| 2006 | 1 | 8 |
| 2007 | 4 | 7 |
| 2008 | 3 | 7 |
| 2009 | 3 | 2 |
| 2010 | 2 | 5 |
| 2011 | 3 | 5 |
| 2012 | 5 | 3 |
| 2013 | 2 | 5 |
| 2014 | 2 | 3 |
| 2015 | 1 | 4 |
| 2016 | 0 | 5 |
| 2017 | 2 | 5 |
| 2018 | 2 | 5 |
| 2019 | 4 | 8 |
| 2020 | 6 | 7 |
| 2021 | 5 | 18 |
| 2022 | 5 | 18 |
| 2023 | 7 | 21 |
| 2024 | 10 | 10 |
| 2025 | 8 | 8 |
| 2026 | 9 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for manufacturing a metallic functional part delimiting a porous filtering medium, using an additive manufacturing method, and obtained functional part25 Aug 2026US 12,714,960 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Anti-microbial filter18 Aug 2026US 12,708,690 B2Acell Industries Limited
- Multifunctional filter materials30 Jun 2026US 12,667,143 B2Khalifa University of Science and Technology
- Antibacterial filter, method for manufacturing same, and air purifier comprising same30 Jun 2026US 12,667,801 B2Coway Co., Ltd.
- Water treatment unit comprising a plurality of filtration devices26 May 2026US 12,637,368 B2Inovaya
- Multifunctional filter materials8 Oct 2026US 2026/0305741 A1Khalifa University of Science and Technology
- Powder spraying system, powder spraying nozzle and method16 Jul 2026US 2026/0199934 A1Johnson Matthey Public Limited Company
- Metal fiber filter, filter unit, and vaporizer21 May 2026US 2026/0138059 A1Nippon Seisen Co., Ltd.
- A mold for producing an article of manufacture2 Apr 2026US 2026/0091533 A1Criaterra Innovations Ltd.
- Active force electric field anti-pathogenic fabric and associated method of fabrication26 Mar 2026US 2026/0083991 A1Florida A&M University
Most cited
By later US patents
- Contact-killing antimicrobial devices104US 5,817,325 ABioPolymerix, Inc. · 1998
- Methods and devices for the separation of plasma or serum from whole blood97US 4,933,092 AAbbott Laboratories · 1990
- Filter medium and breather filter structure95US 8,057,567 B2Donaldson Company, Inc. · 2011
- Porous metal bodies89US 4,758,272 ACorning Glass Works · 1988
- Inertial filter of the porous metal type76US 4,186,100 A1980