B01D 39/2072
The material being particulate or granular
Official title: {the material being particulate or granular}
B01D39/2072 (The material being particulate or granular) appears on 411 US grants and 377 published applications in this corpus.
Search patents in B01D- Granted patents
- 411
- Published applications
- 377
- Assignees
- 287
- Inventors
- 1,051
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 8 | 0 |
| 1983 | 10 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 9 | 0 |
| 1990 | 7 | 0 |
| 1991 | 10 | 0 |
| 1992 | 14 | 0 |
| 1993 | 15 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 10 | 0 |
| 1998 | 15 | 0 |
| 1999 | 14 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 3 |
| 2002 | 11 | 9 |
| 2003 | 7 | 18 |
| 2004 | 8 | 9 |
| 2005 | 7 | 12 |
| 2006 | 9 | 22 |
| 2007 | 9 | 16 |
| 2008 | 6 | 11 |
| 2009 | 9 | 10 |
| 2010 | 7 | 11 |
| 2011 | 13 | 20 |
| 2012 | 10 | 13 |
| 2013 | 8 | 11 |
| 2014 | 10 | 16 |
| 2015 | 5 | 13 |
| 2016 | 12 | 10 |
| 2017 | 3 | 9 |
| 2018 | 7 | 9 |
| 2019 | 6 | 14 |
| 2020 | 10 | 15 |
| 2021 | 9 | 35 |
| 2022 | 10 | 22 |
| 2023 | 15 | 24 |
| 2024 | 16 | 24 |
| 2025 | 13 | 13 |
| 2026 | 12 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Coating solution14 Jul 2026US 12,678,767 B2Nittetsu Mining Co., Ltd.
- Multifunctional filter materials30 Jun 2026US 12,667,143 B2Khalifa University of Science and Technology
- Paste for ceramic 3D shaping and method for manufacturing three-dimensional shaped object30 Jun 2026US 12,668,544 B2Nippon Electric Glass Co., Ltd.
- Honeycomb filter26 May 2026US 12,636,603 B2NGK Insulators, Ltd.
- Honeycomb filter14 Apr 2026US 12,599,862 B2NGK Insulators, Ltd.
- Multifunctional filter materials8 Oct 2026US 2026/0305741 A1Khalifa University of Science and Technology
- Filter system for the removal of volatile organosulfur compounds (voscs) from indoor air8 Oct 2026US 2026/0306980 A1Air Tech Group, SLU
- Honeycomb filters comprising activated carbon and methods of making the same9 Apr 2026US 2026/0097350 A1Corning Incorporated
- A mold for producing an article of manufacture2 Apr 2026US 2026/0091533 A1Criaterra Innovations Ltd.
- Particulate Filter26 Mar 2026US 2026/0084084 A1Cataler Corporation
Most cited
By later US patents
- Diesel particulate trap330US 4,329,162 ACorning Glass Works · 1982
- Device for removal of contaminants from fluid streams235US 5,750,026 ACorning Incorporated · 1998
- Honeycomb filter and ceramic filter assembly201US 6,669,751 B1Ibiden Co., Ltd. · 2003
- Prepacked screen145US 5,551,513 ATexaco Inc. · 1996
- Molten metal filter106US 5,126,047 AThe Carborundum Company · 1992