B01D 53/0446
Means for feeding or distributing gases
Official title: {Means for feeding or distributing gases}
B01D53/0446 (Means for feeding or distributing gases) appears on 1,363 US grants and 1,202 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,363
- Published applications
- 1,202
- Assignees
- 753
- Inventors
- 3,053
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 13 | 0 |
| 1978 | 0 | 0 |
| 1979 | 7 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 9 | 0 |
| 1983 | 6 | 0 |
| 1984 | 9 | 0 |
| 1985 | 14 | 0 |
| 1986 | 15 | 0 |
| 1987 | 8 | 0 |
| 1988 | 16 | 0 |
| 1989 | 15 | 0 |
| 1990 | 17 | 0 |
| 1991 | 11 | 0 |
| 1992 | 28 | 0 |
| 1993 | 18 | 0 |
| 1994 | 18 | 0 |
| 1995 | 18 | 0 |
| 1996 | 25 | 0 |
| 1997 | 30 | 0 |
| 1998 | 37 | 0 |
| 1999 | 48 | 0 |
| 2000 | 47 | 0 |
| 2001 | 38 | 12 |
| 2002 | 43 | 33 |
| 2003 | 41 | 40 |
| 2004 | 33 | 44 |
| 2005 | 31 | 41 |
| 2006 | 24 | 35 |
| 2007 | 28 | 29 |
| 2008 | 21 | 32 |
| 2009 | 29 | 32 |
| 2010 | 30 | 26 |
| 2011 | 22 | 20 |
| 2012 | 14 | 25 |
| 2013 | 18 | 20 |
| 2014 | 30 | 25 |
| 2015 | 19 | 35 |
| 2016 | 28 | 33 |
| 2017 | 34 | 54 |
| 2018 | 38 | 33 |
| 2019 | 35 | 57 |
| 2020 | 42 | 64 |
| 2021 | 43 | 70 |
| 2022 | 65 | 77 |
| 2023 | 56 | 94 |
| 2024 | 53 | 81 |
| 2025 | 66 | 92 |
| 2026 | 45 | 98 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Photocatalyst filter and electronic device comprising same15 Sep 2026US 12,734,266 B2Samsung Electronics Co., Ltd.
- Vehicle air conditioning system8 Sep 2026US 12,728,705 B2NGK Insulators, Ltd.
- Pressure swing adsorption device and rotary valve thereof1 Sep 2026US 12,722,114 B2China Petroleum & Chemical Corporation
- System and method for purifying hydrogen, and system for producing hydrogen by water electrolysis11 Aug 2026US 12,702,949 B2Wuxi Longi Hydrogen Technology Co., Ltd.
- Heat pump-based water harvesting systems, and methods of using thereof4 Aug 2026US 12,697,576 B2Water Harvesting, Inc.
- Method for treating a fluid, fluid discharge device for a fluid and associated system8 Oct 2026US 2026/0306992 A1
- Systems for optimizing carbon dioxide capture8 Oct 2026US 2026/0306993 A1GE Vernova Infrastructure Technology LLC
- Processes for sorbent regeneration8 Oct 2026US 2026/0306995 A1Shell USA, Inc.
- Constant gas-phase organic compound concentration generation apparatus and pretreatment method thereof1 Oct 2026US 2026/0295499 A1Shenzhen University
- Dac apparatus1 Oct 2026US 2026/0295500 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Variable conductance gas distribution apparatus and method473US 9,657,845 B2ASM IP Holding B. V. · 2017
- Abatement of effluents from chemical vapor deposition processes using organometallic source reagents392US 6,749,671 B2Advanced Technology Materials, Inc. · 2004
- Fluid filtration device and system265US 9,867,914 B2Buffalo Filter LLC · 2018
- Portable oxygen concentration system and method of using the same223US 6,691,702 B2SeQual Technologies, Inc. · 2004
- High efficiency continuous separation process212US 4,402,832 AUop LLC · 1983