B01D 2255/2073
Manganese
B01D2255/2073 (Manganese) appears on 664 US grants and 922 published applications in this corpus.
Search patents in B01D- Granted patents
- 664
- Published applications
- 922
- Assignees
- 412
- Inventors
- 1,903
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 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 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 4 |
| 2002 | 7 | 5 |
| 2003 | 5 | 8 |
| 2004 | 8 | 4 |
| 2005 | 8 | 5 |
| 2006 | 3 | 10 |
| 2007 | 1 | 11 |
| 2008 | 5 | 20 |
| 2009 | 6 | 44 |
| 2010 | 19 | 45 |
| 2011 | 18 | 45 |
| 2012 | 23 | 33 |
| 2013 | 45 | 36 |
| 2014 | 28 | 55 |
| 2015 | 40 | 68 |
| 2016 | 26 | 58 |
| 2017 | 37 | 65 |
| 2018 | 40 | 55 |
| 2019 | 40 | 48 |
| 2020 | 43 | 60 |
| 2021 | 41 | 49 |
| 2022 | 32 | 47 |
| 2023 | 52 | 58 |
| 2024 | 33 | 30 |
| 2025 | 37 | 34 |
| 2026 | 17 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Complex oxides for reactive oxygen separation and related applications6 Oct 2026US 12,752,260 B2North Carolina State University
- Ozone catalytic elimination device and plasma beauty instrument1 Sep 2026US 12,722,021 B2Shenzhen Leaflife Technology Co., Ltd.
- Composite, zoned oxidation catalyst for a compression ignition internal combustion engine25 Aug 2026US 12,714,990 B2Johnson Matthey Public Limited Company
- Steel mill offgas separation and purification18 Aug 2026US 12,708,874 B2Air Products and Chemicals, Inc.
- System and method for pre-purification of a feed gas stream4 Aug 2026US 12,697,584 B2Linde Aktiengesellschaft
- Composite of manganese-based oxide and zeolite useful as nh3-scr catalyst24 Sep 2026US 2026/0284594 A1
- Reduction of nox emissions from semiconductor process tools17 Sep 2026US 2026/0273463 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Odor reducing systems for composter assembly10 Sep 2026US 2026/0264012 A1VCycene Inc.
- System and method for treating air containing volatile organic compounds (vocs)10 Sep 2026US 2026/0264014 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Reduction of nox and n2o in the exhaust gas of ship motors operated using nh330 Jul 2026US 2026/0216649 A1
Most cited
By later US patents
- Apparatus, method, and system for concentrating adsorbable pollutants and abatement thereof119US 6,105,365 AEngelhard Corporation · 2000
- Reactor system for reducing NOx emissions from boilers80US 7,943,097 B2Catalytic Solutions, Inc. · 2011
- Reducing no emissions from an engine by on-demand generation of ammonia for selective catalytic reduction74US 6,361,754 B1Clean Diesel Technologies, Inc. · 2002
- Reactive component reduction system and methods for the use thereof74US 7,896,292 B2Phyre Technologies, Inc. · 2011
- Water ozonation mixing and degassing system70US 7,022,225 B1Del Industries, Inc. · 2006