B01D 53/90
Injecting reactants
B01D53/90 (Injecting reactants) appears on 509 US grants and 612 published applications in this corpus.
Search patents in B01D- Granted patents
- 509
- Published applications
- 612
- Assignees
- 276
- Inventors
- 1,397
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 11 | 0 |
| 2001 | 10 | 5 |
| 2002 | 9 | 11 |
| 2003 | 8 | 11 |
| 2004 | 11 | 25 |
| 2005 | 9 | 23 |
| 2006 | 10 | 17 |
| 2007 | 14 | 27 |
| 2008 | 9 | 29 |
| 2009 | 18 | 49 |
| 2010 | 20 | 43 |
| 2011 | 28 | 32 |
| 2012 | 27 | 22 |
| 2013 | 28 | 21 |
| 2014 | 28 | 27 |
| 2015 | 26 | 32 |
| 2016 | 21 | 23 |
| 2017 | 18 | 26 |
| 2018 | 17 | 32 |
| 2019 | 36 | 31 |
| 2020 | 30 | 34 |
| 2021 | 34 | 24 |
| 2022 | 20 | 21 |
| 2023 | 22 | 17 |
| 2024 | 16 | 8 |
| 2025 | 11 | 13 |
| 2026 | 2 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for lowering nitrogen oxides content from tail gas30 Jun 2026US 12,667,808 B2
- Doser mount for exhaust aftertreatment system9 Jun 2026US 12,650,089 B2Cummins Emission Solutions Inc.
- Exhaust gas aftertreatment system23 Dec 2025US 12,503,967 B2Cummins Emission Solutions Inc.
- Aftertreatment system including preheating oxidation catalyst25 Nov 2025US 12,480,431 B2Cummins Emission Solutions Inc.
- Regenerated denitration catalyst and method for manufacturing the same, and denitration apparatus30 Sep 2025US 12,427,509 B2Mitsubishi Heavy Industries, Ltd.
- System for treating exhaust gas from nitrogen-containing-fuel- or hydrogen-combustor6 Aug 2026US 2026/0225040 A1Johnson Matthey Public Limited Company
- Reducing the content of nox and n2o in the offgas from firing plants operated with nh3 for catalytic decomposition of nh330 Jul 2026US 2026/0216648 A1
- Exhaust treatment system, method for treatment of an exhaust stream and control system therefore23 Jul 2026US 2026/0210278 A1Scania CV AB
- System and method for treatment of an exhaust stream and control system therefor23 Jul 2026US 2026/0210279 A1Scania CV AB
- Reductant delivery system including a reductant pump4 Jun 2026US 2026/0153044 A1Cummins Emission Solutions Inc.
Most cited
By later US patents
- Reducing no.sub.x emissions from an engine by temperature-controlled urea injection for selective catalytic reduction171US 6,063,350 AClean Diesel Technologies, Inc. · 2000
- Control system for mobile NOx SCR applications125US 6,415,602 B1Engelhard Corporation · 2002
- Reducing NO.sub.x emissions from an engine by temperature-controlled urea injection for selective catalytic reduction120US 5,976,475 AClean Diesel Technologies, Inc. · 1999
- Reducing NO.sub.x emissions from an engine by selective catalytic reduction utilizing solid reagents116US 5,809,775 AClean Diesel Technologies, Inc. · 1998
- Method for determining catalyst cool down temperature106US 6,742,330 B2Engelhard Corporation · 2004