B01D 3/346
The gas being used for removing vapours
Official title: {the gas being used for removing vapours, e.g. transport gas}
B01D3/346 (The gas being used for removing vapours) appears on 337 US grants and 328 published applications in this corpus.
Search patents in B01D- Granted patents
- 337
- Published applications
- 328
- Assignees
- 263
- Inventors
- 777
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 6 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 1 |
| 2002 | 6 | 3 |
| 2003 | 0 | 3 |
| 2004 | 5 | 11 |
| 2005 | 4 | 12 |
| 2006 | 1 | 7 |
| 2007 | 5 | 2 |
| 2008 | 9 | 8 |
| 2009 | 3 | 5 |
| 2010 | 5 | 9 |
| 2011 | 6 | 10 |
| 2012 | 3 | 5 |
| 2013 | 10 | 4 |
| 2014 | 6 | 3 |
| 2015 | 8 | 7 |
| 2016 | 5 | 20 |
| 2017 | 10 | 23 |
| 2018 | 18 | 23 |
| 2019 | 23 | 36 |
| 2020 | 25 | 24 |
| 2021 | 18 | 25 |
| 2022 | 10 | 24 |
| 2023 | 16 | 19 |
| 2024 | 17 | 25 |
| 2025 | 17 | 12 |
| 2026 | 12 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Chemical distillation system with in situ analytics16 Jun 2026US 12,654,113 B2Astrotech Technologies, Inc.
- Method and apparatus for purifying ultra-high purity hydrogen fluoride19 May 2026US 12,630,422 B2Ram Technology Co., Ltd.
- Method for preparing sulfonated arylphosphine19 May 2026US 12,630,572 B2Hanwha Solutions Corporation
- Rotary evaporator for catalyst preparation5 May 2026US 12,616,915 B2Saudi Arabian Oil Company
- Solvent vapors absorption system reducing contaminations8 Oct 2026US 2026/0308476 A1Desmet Belgium
- Process for fractionating a stream10 Sep 2026US 2026/0263962 A1Uop LLC
- Evaporative cooling pad for an air treatment unit30 Jul 2026US 2026/0218923 A1Munters Europe Aktiebolag
- Processes and cataylsts for the selective hydrogenation of compounds having carbonyl carbon atoms9 Jul 2026US 2026/0193223 A1Archer Daniels Midland Company
- Stripping vapor condensate recovery unit29 Jan 2026US 2026/0028546 A1ConocoPhillips Company
Most cited
By later US patents
- Window insulator115US 4,535,828 A1985
- Thermal gradient humidification-dehumidification desalination system87US 4,363,703 AInstitute of Gas Technology · 1982
- Diffusion driven water purification apparatus and process75US 7,225,620 B2University of Florida Research Foundation, Inc. · 2007
- Method and device for stripping ammonia from liquids45US 7,416,644 B2Green Farm Energy · 2008
- Desalinization apparatus42US 4,595,459 AMitsubishi Denki Kabushiki Kaisha · 1986