B01J 20/3441
Regeneration or reactivation by electric current, ultrasound or irradiation
Official title: {Regeneration or reactivation by electric current, ultrasound or irradiation, e.g. electromagnetic radiation such as X-rays, UV, light, microwaves}
B01J20/3441 (Regeneration or reactivation by electric current, ultrasound or irradiation) appears on 141 US grants and 196 published applications in this corpus.
Search patents in B01J- Granted patents
- 141
- Published applications
- 196
- Assignees
- 164
- Inventors
- 595
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 6 | 6 |
| 2003 | 2 | 0 |
| 2004 | 3 | 3 |
| 2005 | 2 | 2 |
| 2006 | 1 | 4 |
| 2007 | 3 | 1 |
| 2008 | 2 | 7 |
| 2009 | 1 | 8 |
| 2010 | 5 | 11 |
| 2011 | 2 | 4 |
| 2012 | 2 | 11 |
| 2013 | 11 | 4 |
| 2014 | 2 | 5 |
| 2015 | 4 | 15 |
| 2016 | 2 | 5 |
| 2017 | 7 | 10 |
| 2018 | 9 | 7 |
| 2019 | 3 | 3 |
| 2020 | 4 | 8 |
| 2021 | 8 | 11 |
| 2022 | 5 | 12 |
| 2023 | 9 | 17 |
| 2024 | 8 | 13 |
| 2025 | 11 | 17 |
| 2026 | 3 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Microwave regeneration of carbon dioxide sorbents6 Oct 2026US 12,752,256 B2UT-Battelle, LLC
- Concentration of chemical species through the use of photosenstive sorbent materials19 May 2026US 12,629,654 B2Genesis Systems LLC
- Cooling methods for ultrasonic forming and bonding of polymeric webs12 May 2026US 12,623,206 B2The Procter & Gamble Company
- Plasma generation of sorbent beds23 Sep 2025US 12,420,263 B2MagPlasma, Inc.
- Fluorocarbon destruction method16 Sep 2025US 12,415,738 B2Lummus Technology Inc.
- Dilute material recovery system based on microwave-based regeneration27 Aug 2026US 2026/0249269 A1CarbonStellar LLC
- Cooling methods for ultrasonic forming and bonding of polymeric webs13 Aug 2026US 2026/0233198 A1The Procter & Gamble Company
- Charged Sorbent Material6 Aug 2026US 2026/0225069 A1
- Method for processing contaminated carbonaceous material11 Jun 2026US 2026/0159422 A1
- Monolithic substrates14 May 2026US 2026/0131310 A1Corning Incorporated
Most cited
By later US patents
- Magnetic particles for use in separations333US 4,554,088 AAdvanced Magnetics, Inc. · 1985
- Adsorbent regeneration and gas separation utilizing microwave heating96US 4,322,394 ABattelle Memorial Institute · 1982
- Molecular separator apparatus88US 6,706,097 B2Hexablock, Inc. · 2004
- Heat-reactivatable adsorbent gas fractionator and process67US 4,312,641 APall Corporation · 1982
- Method for preparation of activated carbon58US 8,563,467 B2The Governors of the University of Alberta · 2013