B01D 53/8696
Controlling the catalytic process
Official title: {Controlling the catalytic process}
B01D53/8696 (Controlling the catalytic process) appears on 227 US grants and 221 published applications in this corpus.
Search patents in B01D- Granted patents
- 227
- Published applications
- 221
- Assignees
- 168
- Inventors
- 673
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 12 | 0 |
| 2001 | 5 | 1 |
| 2002 | 6 | 4 |
| 2003 | 6 | 4 |
| 2004 | 7 | 9 |
| 2005 | 1 | 4 |
| 2006 | 3 | 4 |
| 2007 | 2 | 0 |
| 2008 | 3 | 3 |
| 2009 | 4 | 7 |
| 2010 | 3 | 7 |
| 2011 | 6 | 8 |
| 2012 | 4 | 5 |
| 2013 | 3 | 4 |
| 2014 | 9 | 6 |
| 2015 | 3 | 6 |
| 2016 | 8 | 11 |
| 2017 | 6 | 9 |
| 2018 | 6 | 14 |
| 2019 | 10 | 13 |
| 2020 | 12 | 13 |
| 2021 | 13 | 14 |
| 2022 | 12 | 9 |
| 2023 | 16 | 14 |
| 2024 | 11 | 23 |
| 2025 | 5 | 15 |
| 2026 | 11 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Photocatalyst filter and electronic device comprising same15 Sep 2026US 12,734,266 B2Samsung Electronics Co., Ltd.
- Ozone catalytic elimination device and plasma beauty instrument1 Sep 2026US 12,722,021 B2Shenzhen Leaflife Technology Co., Ltd.
- Vehicle compartment purification system, method for controlling vehicle compartment purification system, program and storage medium25 Aug 2026US 12,715,271 B2NGK Insulators, Ltd.
- Process for working-up a nitrous oxide comprising off-gas stream11 Aug 2026US 12,702,951 B2BASF SE
- Process for decomposing nitrous oxide from a gas stream28 Jul 2026US 12,691,413 B2BASF SE
- Odor reducing systems for composter assembly10 Sep 2026US 2026/0264012 A1VCycene Inc.
- 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
- Electronic nose for rapid detection23 Jul 2026US 2026/0210922 A1Ainos, Inc.
- Disinfectant, gas accumulation and combustion control device16 Jul 2026US 2026/0199833 A1NanoSieve, Inc.
- Carbon emission monitoring system11 Jun 2026US 2026/0158441 A1Guangdong Brunp Recycling Technology Co., Ltd.
Most cited
By later US patents
- Exhaust gas purification device for an internal combustion engine197US 5,974,791 AToyota Jidosha Kabushiki Kaisha · 1999
- NOx decreasing apparatus for an internal combustion engine153US 5,412,946 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1995
- Method and apparatus for controlled introduction of a reducing agent into a nitrogen oxide-containing exhaust gas153US 5,628,186 ASiemens Aktiengesellschaft · 1997
- Exhaust gas purification apparatus for an internal combustion engine149US 5,402,641 AToyota Jidosha Kabushiki Kaisha · 1995
- Exhaust purification device of internal combustion engine131US 5,437,153 AToyota Jidosha Kabushiki Kaisha · 1995