B01D 2255/70
Non-metallic catalysts, additives or dopants
B01D2255/70 (Non-metallic catalysts, additives or dopants) appears on 211 US grants and 311 published applications in this corpus.
Search patents in B01D- Granted patents
- 211
- Published applications
- 311
- Assignees
- 225
- Inventors
- 840
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 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 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 2 |
| 2008 | 1 | 5 |
| 2009 | 4 | 4 |
| 2010 | 2 | 8 |
| 2011 | 2 | 8 |
| 2012 | 5 | 12 |
| 2013 | 10 | 12 |
| 2014 | 4 | 15 |
| 2015 | 13 | 18 |
| 2016 | 12 | 21 |
| 2017 | 19 | 16 |
| 2018 | 11 | 24 |
| 2019 | 23 | 30 |
| 2020 | 16 | 21 |
| 2021 | 19 | 22 |
| 2022 | 15 | 18 |
| 2023 | 18 | 24 |
| 2024 | 10 | 22 |
| 2025 | 7 | 11 |
| 2026 | 13 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Catalyst for decomposing perfluorinated compounds and method of manufacturing the catalyst16 Jun 2026US 12,654,155 B2Korea Advanced Institute of Science and Technology
- 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
- Particulate filter7 Apr 2026US 12,594,515 B2BASF Mobile Emissions Catalysts LLC
- Method for manufacturing catalyst for capture and conversion of carbon dioxide10 Mar 2026US 12,569,836 B2Lowcarbon Co., Ltd.
- Complete oxidation catalysts for dilute alkanes1 Oct 2026US 2026/0295521 A1Icarus Technology LLC
- Ethylene oxide abatement systems1 Oct 2026US 2026/0295522 A1Boston Scientific Scimed, Inc.
- Ethylene oxide abatement systems1 Oct 2026US 2026/0295523 A1Boston Scientific Scimed, Inc.
- Ethylene oxide abatement systems1 Oct 2026US 2026/0295524 A1Boston Scientific Scimed, Inc.
- System for processing gas and method for processing gas using the same17 Sep 2026US 2026/0273460 A1Research & Business Foundation Sungkyunkwan University
Most cited
By later US patents
- Reducing no emissions from an engine by on-demand generation of ammonia for selective catalytic reduction74US 6,361,754 B1Clean Diesel Technologies, Inc. · 2002
- Water ozonation mixing and degassing system70US 7,022,225 B1Del Industries, Inc. · 2006
- Method for reducing pollution emissions from a diesel engine40US 5,266,083 APlatinum Plus, Inc. · 1993
- Device for eliminating harmful substance21US 9,200,804 B2Bioneer Corporation · 2015
- Multi-functional composition of matter for rapid removal of mercury from a flue gas21US 9,539,538 B2ADA Carbon Solutions, LLC · 2017