B01D 2255/20792
Zinc
B01D2255/20792 (Zinc) appears on 210 US grants and 311 published applications in this corpus.
Search patents in B01D- Granted patents
- 210
- Published applications
- 311
- Assignees
- 207
- Inventors
- 825
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 3 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 3 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 2 | 8 |
| 2012 | 2 | 17 |
| 2013 | 10 | 21 |
| 2014 | 6 | 14 |
| 2015 | 15 | 26 |
| 2016 | 13 | 17 |
| 2017 | 18 | 16 |
| 2018 | 8 | 17 |
| 2019 | 16 | 16 |
| 2020 | 14 | 24 |
| 2021 | 15 | 22 |
| 2022 | 19 | 27 |
| 2023 | 21 | 26 |
| 2024 | 12 | 20 |
| 2025 | 10 | 17 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Steel mill offgas separation and purification18 Aug 2026US 12,708,874 B2Air Products and Chemicals, Inc.
- Catalyst for decomposing perfluorinated compounds and method of manufacturing the catalyst16 Jun 2026US 12,654,155 B2Korea Advanced Institute of Science and Technology
- Photo catalytic device for continuous process for co-conversion of CO2+H2O to C1-oxygenates in sunlight19 May 2026US 12,629,661 B2Council of Scientific and Industrial Research An Indian Registered Body Incorporated Under the Regn. of Soc. Act (Act Xxi of 1860)
- 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
- Gas production apparatus, gas production system, steel production system, chemical manufacturing system, and gas production method with reduced carbon dioxide emission24 Mar 2026US 12,582,941 B2Sekisui Chemical Co., Ltd.
- Method for capturing co2 and use of a metal-based surface for capturing co227 Aug 2026US 2026/0249243 A1Institut National De La Recherche Scientifique
- Catalyst for decomposing perfluorocompounds27 Aug 2026US 2026/0249272 A1Ecoprohn
- Sulfur poisoning-resistant catalyst for catalytic combustion, preparation method therefor, and use thereof30 Jul 2026US 2026/0216707 A1Guangdong University of Technology
- Advanced membrane oxidation process and system for the treatment of industrial gas emissions and odors23 Jul 2026US 2026/0208099 A1
- Photocatalytic sanitizing device with condensation system16 Jul 2026US 2026/0199834 A1Universidad De Guadalajara
Most cited
By later US patents
- Diesel oxidation catalyst comprising palladium, gold and ceria44US 9,034,269 B2BASF SE · 2015
- Process for elimination of hexavalent chromium compounds on metallic substrates within zero-PGM catalyst systems34US 8,969,228 B2Clean Diesel Technologies, Inc. · 2015
- Integrated process configuration involving the steps of pyrolysis, hydrocracking, hydrodealkylation and steam cracking31US 10,513,661 B2Sabic Global Technologies B.V. · 2019
- Halogenated activated carbon compositions and methods of making and using same31US 11,413,601 B2Carbon Technology Holdings, LLC · 2022
- Spinel-based catalysts for reducing exhaust emissions of NO.sub.x24US 5,736,114 ARhone-Poulenc Chimie · 1998