B01D 53/32
Separation of gases or vapours: by electrical effects other than those provided
Official title: by electrical effects other than those provided for in group B01D61/00
B01D53/32 (Separation of gases or vapours: by electrical effects other than those provided) appears on 1,480 US grants and 1,699 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,480
- Published applications
- 1,699
- Assignees
- 885
- Inventors
- 3,422
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 10 | 0 |
| 1991 | 12 | 0 |
| 1992 | 16 | 0 |
| 1993 | 14 | 0 |
| 1994 | 23 | 0 |
| 1995 | 34 | 0 |
| 1996 | 24 | 0 |
| 1997 | 29 | 0 |
| 1998 | 58 | 0 |
| 1999 | 48 | 0 |
| 2000 | 41 | 0 |
| 2001 | 58 | 20 |
| 2002 | 38 | 60 |
| 2003 | 53 | 48 |
| 2004 | 29 | 59 |
| 2005 | 39 | 41 |
| 2006 | 25 | 68 |
| 2007 | 25 | 40 |
| 2008 | 24 | 40 |
| 2009 | 19 | 58 |
| 2010 | 34 | 51 |
| 2011 | 28 | 42 |
| 2012 | 24 | 32 |
| 2013 | 37 | 38 |
| 2014 | 34 | 61 |
| 2015 | 41 | 55 |
| 2016 | 47 | 64 |
| 2017 | 54 | 82 |
| 2018 | 47 | 75 |
| 2019 | 63 | 67 |
| 2020 | 59 | 75 |
| 2021 | 44 | 111 |
| 2022 | 54 | 94 |
| 2023 | 58 | 135 |
| 2024 | 77 | 113 |
| 2025 | 84 | 103 |
| 2026 | 37 | 67 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrostatic precipitator and control method thereof8 Sep 2026US 12,728,424 B2Samsung Electronics Co., Ltd.
- CO2 separation systems and methods25 Aug 2026US 12,714,970 B2Carbonquest, Inc.
- Method of purifying helium from mixed gas28 Jul 2026US 12,691,408 B2Skyre, Inc.
- Composite for electrochemical gas separation28 Jul 2026US 12,691,409 B2Verdox, Inc.
- Systems and methods of ammonia synthesis21 Jul 2026US 12,686,935 B2Ohmium International, Inc.
- Carbon dioxide adsorption battery, charge/discharge device, and carbon dioxide concentration device8 Oct 2026US 2026/0307004 A1Kuraray Co., Ltd.
- Improved electrodes for electrochemically driven carbon dioxide separator1 Oct 2026US 2026/0295518 A1Repair DAC Ltd.
- Devices, systems, and methods for the electrochemical generation of base/acid and deionization of saline water1 Oct 2026US 2026/0297762 A1Capture6 Corp
- Systems and methods of ammonia synthesis1 Oct 2026US 2026/0297781 A1Ohmium International, Inc.
- Carbon dioxide capture using redox-active species and related systems and methods24 Sep 2026US 2026/0284588 A1Massachusetts Institute of Technology
Most cited
By later US patents
- Electrochemical production of ozone and hydrogen peroxide465US 5,972,196 ALynntech, Inc. · 1999
- Portable oxygen concentration system and method of using the same310US 6,651,658 B1SeQual Technologies, Inc. · 2003
- Portable oxygen concentration system and method of using the same223US 6,691,702 B2SeQual Technologies, Inc. · 2004
- Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions202US 5,306,411 AThe Standard Oil Company · 1994
- Portable oxygen concentration system and method of using the same182US 6,629,525 B2SeQual Technologies, Inc. · 2003