B01D 2239/0407
Comprising particulate additives
Official title: comprising particulate additives, e.g. adsorbents
B01D2239/0407 (Comprising particulate additives) appears on 438 US grants and 655 published applications in this corpus.
Search patents in B01D- Granted patents
- 438
- Published applications
- 655
- Assignees
- 389
- Inventors
- 1,613
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 8 | 0 |
| 1996 | 7 | 0 |
| 1997 | 20 | 0 |
| 1998 | 9 | 0 |
| 1999 | 8 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 3 |
| 2002 | 5 | 6 |
| 2003 | 3 | 5 |
| 2004 | 7 | 13 |
| 2005 | 3 | 13 |
| 2006 | 7 | 17 |
| 2007 | 11 | 18 |
| 2008 | 9 | 12 |
| 2009 | 9 | 20 |
| 2010 | 8 | 24 |
| 2011 | 11 | 26 |
| 2012 | 14 | 19 |
| 2013 | 16 | 18 |
| 2014 | 11 | 20 |
| 2015 | 14 | 14 |
| 2016 | 12 | 10 |
| 2017 | 8 | 21 |
| 2018 | 6 | 24 |
| 2019 | 15 | 32 |
| 2020 | 16 | 31 |
| 2021 | 19 | 70 |
| 2022 | 21 | 69 |
| 2023 | 26 | 68 |
| 2024 | 18 | 36 |
| 2025 | 36 | 42 |
| 2026 | 24 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for adjusting grouting parameters in preparation of ceramic composite fiber-based catalytic filter tube, and method and device for preparing ceramic composite fiber-based catalytic filter tube6 Oct 2026US 12,752,223 B2Zhejiang Zhiyuan Environmental Technology Co., Ltd
- Granulated hierarchical material structure29 Sep 2026US 12,746,527 B2Metalmark Innovations, PBC
- Personal protective anti-viral face mask15 Sep 2026US 12,734,378 B2lowa State University Research Foundation, Inc.
- Oil and fuel collector25 Aug 2026US 12,714,951 B2Manvers Engineering Limited
- Anti-microbial filter18 Aug 2026US 12,708,690 B2Acell Industries Limited
- Surface-catalytically finished polymer fibres and/or polymeric sheets, method for surface-catalytically finishing same, and use thereof for producing an air purification filter3 Sep 2026US 2026/0257204 A1Hochschule Niederrhein
- Porous Polymer Scaffolds, and Methods of Making and Using the Same27 Aug 2026US 2026/0250477 A1The Regents of the University of California
- Device for aquatic microplastics removal20 Aug 2026US 2026/0242250 A1PolyGone Systems, Inc.
- Inorganic fiber sheet23 Jul 2026US 2026/0208083 A1Tomoegawa Co., Ltd.
- Water filter and method of making the same23 Jul 2026US 2026/0208112 A1A. O. Smith Corporation
Most cited
By later US patents
- Web of blended microfibers and crimped bulking fibers445US 4,118,531 AMinnesota Mining and Manufacturing Company · 1978
- Method of charging electret filter media289US 5,496,507 AMinnesota Mining and Manufacturing Company · 1996
- Strong nonwoven fabrics from engineered multiconstituent fibers282US 5,108,827 AFiberweb North America, Inc. · 1992
- Method of making polytetrafluoroethylene composite sheet203US 4,153,661 AMinnesota Mining and Manufacturing Company · 1979
- Fibrous structures containing immobilized particulate matter181US 5,486,410 AHoechst Celanese Corporation · 1996