B01D 2253/11
Clays
B01D2253/11 (Clays) appears on 196 US grants and 253 published applications in this corpus.
Search patents in B01D- Granted patents
- 196
- Published applications
- 253
- Assignees
- 176
- Inventors
- 604
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 3 |
| 2002 | 6 | 3 |
| 2003 | 7 | 12 |
| 2004 | 3 | 6 |
| 2005 | 5 | 10 |
| 2006 | 4 | 5 |
| 2007 | 0 | 5 |
| 2008 | 3 | 6 |
| 2009 | 7 | 6 |
| 2010 | 4 | 15 |
| 2011 | 5 | 12 |
| 2012 | 8 | 8 |
| 2013 | 7 | 9 |
| 2014 | 9 | 14 |
| 2015 | 7 | 12 |
| 2016 | 7 | 11 |
| 2017 | 15 | 11 |
| 2018 | 4 | 15 |
| 2019 | 7 | 15 |
| 2020 | 12 | 14 |
| 2021 | 12 | 11 |
| 2022 | 6 | 11 |
| 2023 | 11 | 11 |
| 2024 | 8 | 14 |
| 2025 | 9 | 6 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vehicle compartment purification system, method for controlling vehicle compartment purification system, program and storage medium25 Aug 2026US 12,715,271 B2NGK Insulators, Ltd.
- Solid filtration medium incorporating polyacrylamide powder and carbon7 Apr 2026US 12,594,522 B2Purafil, Inc.
- System and method for removal of PFAS and other emerging contaminant micro-constituents from landfill leachate and other impacted liquids9 Sep 2025US 12,410,071 B1Wm Intellectual Property Holdings, L.L.C.
- Engine desiccant racks, methods of installing the same, systems for preventing corrosion, and articulating contact structures19 Aug 2025US 12,390,759 B2The Boeing Company
- Systems and methods for generating water from air19 Aug 2025US 12,392,117 B2Source Global, PBC
- Constant gas-phase organic compound concentration generation apparatus and pretreatment method thereof1 Oct 2026US 2026/0295499 A1Shenzhen University
- Water Oxygenation System, Flow Block, and External Replaceable Nitrogen Filter Cartridge30 Jul 2026US 2026/0216632 A1
- Co2 adsorption system and method for co2 adsorption using humidity stable polystyrene-divinylbenzene amine functionalized polymeric adsorbents30 Jul 2026US 2026/0216633 A1Climeworks AG
- Inorganic fiber sheet23 Jul 2026US 2026/0208083 A1Tomoegawa Co., Ltd.
- Humidity conditioning member and packed humidity conditioning member2 Jul 2026US 2026/0183705 A1Sharp Kabushiki Kaisha
Most cited
By later US patents
- Apparatus for adsorbing fuel vapor126US 4,386,947 ANippon Soken, Inc. · 1983
- Portable oxygen concentrator124US 4,971,609 A1990
- Multistage system for separating gas by adsorption121US 6,514,318 B2QuestAir Technologies Inc. · 2003
- Reducing mercury emissions from the burning of coal97US 7,776,301 B2NOx II, Ltd. · 2010
- Multi-functional filter for removing contaminants from an enclosure94US 6,395,073 B1Gore Enterprise Holdings, Inc. · 2002