B01D 39/2082
The material being filamentary or fibrous
Official title: {the material being filamentary or fibrous}
B01D39/2082 (The material being filamentary or fibrous) appears on 239 US grants and 226 published applications in this corpus.
Search patents in B01D- Granted patents
- 239
- Published applications
- 226
- Assignees
- 170
- Inventors
- 644
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 11 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 10 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 2 |
| 2002 | 6 | 4 |
| 2003 | 4 | 6 |
| 2004 | 2 | 5 |
| 2005 | 5 | 8 |
| 2006 | 2 | 15 |
| 2007 | 5 | 18 |
| 2008 | 3 | 26 |
| 2009 | 13 | 14 |
| 2010 | 10 | 14 |
| 2011 | 23 | 12 |
| 2012 | 6 | 8 |
| 2013 | 8 | 4 |
| 2014 | 6 | 9 |
| 2015 | 2 | 1 |
| 2016 | 6 | 5 |
| 2017 | 1 | 4 |
| 2018 | 5 | 5 |
| 2019 | 3 | 7 |
| 2020 | 6 | 7 |
| 2021 | 5 | 12 |
| 2022 | 4 | 10 |
| 2023 | 3 | 10 |
| 2024 | 8 | 8 |
| 2025 | 8 | 6 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Powder spraying system, powder spraying nozzle and method14 Apr 2026US 12,599,929 B2Johnson Matthey Public Limited Company
- Honeycomb filter24 Feb 2026US 12,558,641 B2NGK Insulators, Ltd.
- Composite fiber18 Nov 2025US 12,472,451 B2Murata Manufacturing Co., Ltd.
- Filters, filter systems, and methods of use30 Sep 2025US 12,427,465 B2University of Florida Research Foundation, Inc.
- Device for aquatic microplastics removal20 Aug 2026US 2026/0242250 A1PolyGone Systems, Inc.
- Integrated synergistic purification process for sulfur, dust, and nitrogen oxides, using ceramic fiber tube6 Aug 2026US 2026/0225020 A1Shandong Jingyao Glass Group Co., Ltd.
- Powder spraying system, powder spraying nozzle and method16 Jul 2026US 2026/0199934 A1Johnson Matthey Public Limited Company
- Filtration medium14 May 2026US 2026/0131269 A1
- Honeycomb filters comprising activated carbon and methods of making the same9 Apr 2026US 2026/0097350 A1Corning Incorporated
Most cited
By later US patents
- Device for removal of contaminants from fluid streams235US 5,750,026 ACorning Incorporated · 1998
- Filter medium and structure212US 7,314,497 B2Donaldson Company, Inc. · 2008
- Honeycomb filter and ceramic filter assembly201US 6,669,751 B1Ibiden Co., Ltd. · 2003
- Asbestiform crystalline calcium sodium or lithium phosphate, preparation and compositions161US 4,346,028 AMonsanto Company · 1982
- Filter medium and structure152US 7,309,372 B2Donaldson Company, Inc. · 2007