B01D 2258/02
Sources of waste gases: other waste gases
Official title: Other waste gases
B01D2258/02 (Sources of waste gases: other waste gases) appears on 3,147 US grants and 4,580 published applications in this corpus.
Search patents in B01D- Granted patents
- 3,147
- Published applications
- 4,580
- Assignees
- 1,812
- Inventors
- 8,912
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 6 | 0 |
| 1980 | 2 | 0 |
| 1981 | 8 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 7 | 0 |
| 1989 | 3 | 0 |
| 1990 | 9 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 12 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 10 | 0 |
| 1998 | 14 | 0 |
| 1999 | 15 | 0 |
| 2000 | 26 | 0 |
| 2001 | 16 | 6 |
| 2002 | 28 | 36 |
| 2003 | 26 | 31 |
| 2004 | 31 | 39 |
| 2005 | 20 | 64 |
| 2006 | 25 | 45 |
| 2007 | 18 | 63 |
| 2008 | 35 | 39 |
| 2009 | 28 | 61 |
| 2010 | 41 | 63 |
| 2011 | 54 | 146 |
| 2012 | 68 | 186 |
| 2013 | 121 | 225 |
| 2014 | 158 | 263 |
| 2015 | 153 | 259 |
| 2016 | 193 | 271 |
| 2017 | 209 | 241 |
| 2018 | 221 | 284 |
| 2019 | 218 | 240 |
| 2020 | 221 | 258 |
| 2021 | 211 | 240 |
| 2022 | 218 | 258 |
| 2023 | 194 | 308 |
| 2024 | 182 | 302 |
| 2025 | 172 | 379 |
| 2026 | 133 | 273 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01D 2258/0283Flue gasesIndexing code2,047
- B01D 2258/0216From cvd treatment or semi-conductor manufacturingIndexing code479
- B01D 2258/0233From cement factoriesIndexing code181
- B01D 2258/025From metallurgy plantsIndexing code147
- B01D 2258/0208From fuel cellsIndexing code129
- B01D 2258/0275From food processing plants or kitchensIndexing code78
- B01D 2258/0258From painting equipments or paint drying installationsIndexing code57
- B01D 2258/0266From animal farmsIndexing code52
Recent patents
- Condensation dedust-demister set6 Oct 2026US 12,752,224 B2
- CO2 recovery system and CO2 recovery method6 Oct 2026US 12,752,235 B2Mitsubishi Heavy Industries, Ltd.
- Exhaust system and exhaust method using buffer29 Sep 2026US 12,746,501 B2Samsung Electronics Co., Ltd.
- Method for extracting carbon dioxide from flue gas22 Sep 2026US 12,741,247 B2Nan Ya Plastics Corporation
- Photochemical method and device for volatile organic compound pollution control22 Sep 2026US 12,741,248 B2Ambient Carbon Methane Holding Aps
- Method and device for separating a carbon dioxide-containing gas by partial condensation and/or distillation and/or solidification8 Oct 2026US 2026/0306989 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method for producing a deacidified fluid stream, apparatus for deacidifying a fluid stream and use of heat pumps for deacidifying a fluid stream8 Oct 2026US 2026/0306998 A1BASF SE
- Process and apparatus for separating carbon dioxide from a flue gas stream8 Oct 2026US 2026/0306999 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Abatement of effluent containing ammonium chloride8 Oct 2026US 2026/0307006 A1APPLIED Materials.Inc.
- Membrane Supporting Structures8 Oct 2026US 2026/0307017 A1Memzyme, LLC
Most cited
By later US patents
- Abatement of effluent from chemical vapor deposition processes using ligand exchange resistant metal-organic precursor solutions401US 6,500,487 B1Advanced Technology Materials, Inc. · 2002
- Abatement of effluents from chemical vapor deposition processes using organometallic source reagents392US 6,749,671 B2Advanced Technology Materials, Inc. · 2004
- Vapor deposition systems and methods389US 8,202,575 B2Cambridge NanoTech Inc. · 2012
- Method of and apparatus for purifying reduced pressure process chambers388US 6,135,460 ATexas Instruments Incorporated · 2000
- Abatement of effluent from chemical vapor deposition processes using ligand exchange resistant metal-organic precursor solutions386US 6,833,024 B2Adanced Technology Materials, Inc. · 2004