B01D 2255/104
Silver
B01D2255/104 (Silver) appears on 353 US grants and 475 published applications in this corpus.
Search patents in B01D- Granted patents
- 353
- Published applications
- 475
- Assignees
- 254
- Inventors
- 1,119
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 11 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 1 |
| 2002 | 2 | 4 |
| 2003 | 3 | 6 |
| 2004 | 1 | 3 |
| 2005 | 4 | 7 |
| 2006 | 5 | 5 |
| 2007 | 1 | 11 |
| 2008 | 3 | 12 |
| 2009 | 4 | 37 |
| 2010 | 14 | 39 |
| 2011 | 9 | 34 |
| 2012 | 14 | 27 |
| 2013 | 32 | 34 |
| 2014 | 32 | 43 |
| 2015 | 25 | 30 |
| 2016 | 27 | 20 |
| 2017 | 24 | 28 |
| 2018 | 16 | 16 |
| 2019 | 13 | 18 |
| 2020 | 16 | 23 |
| 2021 | 7 | 16 |
| 2022 | 10 | 11 |
| 2023 | 18 | 19 |
| 2024 | 14 | 13 |
| 2025 | 7 | 11 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System for detecting and cleaning indoor air pollution2 Jun 2026US 12,644,621 B2Microjet Technology Co., Ltd.
- Fiberglass filter element containing zinc oxide-based composite nanoparticles and method for producing the same14 Apr 2026US 12,600,661 B2Chongqing Institute of East China Normal University
- Carbon dioxide purification system24 Mar 2026US 12,582,937 B2M Icell Technology Co., Ltd.
- Porous carbon material composites and their production process, adsorbents, cosmetics, purification agents, and composite photocatalyst materials6 Jan 2026US 12,515,198 B2Sony Corporation
- Molecular sieve confined noble metal catalyst for CO-SCR denitrification, preparation method and application thereof23 Dec 2025US 12,502,657 B1Institute of Process Engineering, Chinese Academy of Sciences
- Improved hydrocarbon trap for cold-start hydrocarbon control from internal combustion engines1 Oct 2026US 2026/0295527 A1
- Catalyst composition, exhaust gas treatment method using the same, and exhaust gas treatment system including the same13 Aug 2026US 2026/0233206 A1Gwangju Institute of Science and Technology
- Reduction of nox and n2o in the exhaust gas of ship motors operated using nh330 Jul 2026US 2026/0216649 A1
- Nh3-scr denitration system and method for synergistic purification of co21 May 2026US 2026/0138087 A1Institute of Process Engineering, Chinese Academy of Sciences
- Gas decompositoin catalyst, method of decomposing nitrous oxide gas using the same, and scrubber system for decomposing nitrous oxide gas using the same30 Apr 2026US 2026/0115660 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Engine exhaust gas purification catalyst and exhaust gas purifier84US 6,047,544 ANissan Motor Co., Ltd. · 2000
- Process and catalyst system for SCR of NOx81US 8,062,617 B2Haldor TopsøE A/S · 2011
- Catalyst and method for catalytic reduction of nitrogen oxides67US 6,045,765 APetroleum Energy Center · 2000
- Catalyzed hydrocarbon trap material and method of making the same66US 6,074,973 AEngelhard Corporation · 2000
- Catalysed substrate monolith51US 8,667,785 B2Johnson Matthey Public Limited Company · 2014