B01J 20/3238
Containing any type of zeolite
Official title: {containing any type of zeolite}
B01J20/3238 (Containing any type of zeolite) appears on 110 US grants and 140 published applications in this corpus.
Search patents in B01J- Granted patents
- 110
- Published applications
- 140
- Assignees
- 92
- Inventors
- 386
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 8 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 2 |
| 2003 | 2 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 4 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 0 | 7 |
| 2011 | 1 | 4 |
| 2012 | 6 | 10 |
| 2013 | 4 | 4 |
| 2014 | 6 | 5 |
| 2015 | 5 | 6 |
| 2016 | 2 | 17 |
| 2017 | 4 | 13 |
| 2018 | 9 | 13 |
| 2019 | 11 | 7 |
| 2020 | 8 | 4 |
| 2021 | 3 | 5 |
| 2022 | 1 | 11 |
| 2023 | 4 | 7 |
| 2024 | 8 | 5 |
| 2025 | 4 | 6 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- NaA zeolite membrane for recovery of ammonia28 Jul 2026US 12,691,423 B2Rensselaer Polytechnic Institute
- Method for producing an adsorption agent for treating compressed gas and an adsorption device provided with such an adsorption agent28 Jul 2026US 12,691,435 B2Atlas Copco Airpower, Naamloze Vennootschap
- Perfluoroalkyl and polyfluoroalkyl sorbent materials and methods of use25 Nov 2025US 12,478,948 B2Calgon Carbon Corporation
- Method and arrangement for processing a gas mixture30 Sep 2025US 12,427,470 B2Linde Aktiengesellschaft
- Low temperature NOx adsorber with enhanced hydrothermal stability27 May 2025US 12,311,338 B2BASF Mobile Emissions Catalysts LLC
- Synthesis of Zeolite Nanosheets from Mining Waste4 Jun 2026US 2026/0152404 A1
- Honeycomb structure supporting co2 adsorbent, method for manufacturing same, and method for recovering co219 Feb 2026US 2026/0048383 A1NGK Insulators, Ltd.
- Method and system for producing a sorption element for removing carbon dioxide from the ambient air29 Jan 2026US 2026/0027550 A1Volkswagen Aktiengesellschaft
- Hydrophobic and Porous Sorbent Polymer Composites and Methods for CO2 Capture23 Oct 2025US 2025/0325962 A1Battelle Memorial Institute
- Anti-bacterial and anti-ammonia beads17 Jul 2025US 2025/0229251 A1Nanyang Technological University
Most cited
By later US patents
- Composite adsorbent beads for adsorption process91US 6,284,021 B1The BOC Group, Inc. · 2001
- Molecular separator apparatus88US 6,706,097 B2Hexablock, Inc. · 2004
- Carousel heat exchanger for sorption cooling process67US 5,503,222 AUop LLC · 1996
- Low pressure drop filter62US 5,212,131 AInnovative Research Enterprises · 1993
- Composite adsorbent bead, process for its production, gas separation process and gas adsorption bed54US 8,814,985 B2Air Products and Chemicals, Inc. · 2014