B01D 2257/93
Toxic compounds not provided for in groups b01d2257/00 - b01d2257/708
Official title: Toxic compounds not provided for in groups B01D2257/00 - B01D2257/708
B01D2257/93 (Toxic compounds not provided for in groups b01d2257/00 - b01d2257/708) appears on 175 US grants and 186 published applications in this corpus.
Search patents in B01D- Granted patents
- 175
- Published applications
- 186
- Assignees
- 151
- Inventors
- 463
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 3 |
| 2005 | 2 | 7 |
| 2006 | 4 | 1 |
| 2007 | 2 | 2 |
| 2008 | 0 | 1 |
| 2009 | 2 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 5 |
| 2012 | 2 | 6 |
| 2013 | 4 | 7 |
| 2014 | 5 | 14 |
| 2015 | 8 | 17 |
| 2016 | 11 | 4 |
| 2017 | 11 | 13 |
| 2018 | 8 | 11 |
| 2019 | 9 | 15 |
| 2020 | 6 | 8 |
| 2021 | 14 | 14 |
| 2022 | 8 | 13 |
| 2023 | 8 | 10 |
| 2024 | 13 | 12 |
| 2025 | 10 | 6 |
| 2026 | 4 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Maskless respiratory, skin, and eye protection device for aerosols and vapors including chemical, biological, radiological, nuclear, and explosive (cbrne) contaminants8 Sep 2026US 12,728,301 B2Patient Knowhow, Inc.
- Method for processing waste using low-temperature plasma and device therefor24 Feb 2026US 12,558,653 B2Phoenix Waste Solutions, Inc.
- Methods and equipment for treatment of odorous gas streams13 Jan 2026US 12,521,675 B2
- Oxidation of cesium as method for removing cesium vapor from cover gas in nuclear reactors6 Jan 2026US 12,515,171 B2TerraPower, LLC
- Maskless respiratory and eye protection device for aerosols and vapors including chemical, biological, radiological, and nuclear (CBRN) contaminants16 Dec 2025US 12,496,474 B1Patient Knowhow, Inc.
- Pulse flow reactors and systems or uses thereof27 Aug 2026US 2026/0249124 A1ThermoChem Recovery International, Inc.
- Mobile toxic gas purification device20 Aug 2026US 2026/0241323 A1Hanso Inc.
- Exhaust gas purification method and exhaust gas purification apparatus20 Aug 2026US 2026/0241339 A1Mitsubishi Heavy Industries, Ltd.
- Process of manufacturing a device and device for the treatment of fluids23 Jul 2026US 2026/0208125 A1Medica Corporation
- Disinfectant, gas accumulation and combustion control device16 Jul 2026US 2026/0199833 A1NanoSieve, Inc.
Most cited
By later US patents
- Lightweight filter106US 4,838,901 ALife Systems, Inc. · 1989
- Shaped bodies containing metal-organic frameworks93US 6,893,564 B2BASF SE · 2005
- Bulk gas sorption and apparatus, gas containment/treatment system comprising same, and sorbent composition therefor81US 5,151,395 ANovapure Corporation · 1992
- Adsorptive devices60US 3,944,403 ASiebe Gorman & Company Limited · 1976
- Sorbent-based fluid storage and dispensing vessel with enhanced heat transfer means57US 5,917,140 AAdvanced Technology Materials, Inc. · 1999