B01D 2257/10
Single element gases other than halogens
B01D2257/10 (Single element gases other than halogens) appears on 2,607 US grants and 2,798 published applications in this corpus.
Search patents in B01D- Granted patents
- 2,607
- Published applications
- 2,798
- Assignees
- 1,241
- Inventors
- 5,808
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 10 | 0 |
| 1978 | 5 | 0 |
| 1979 | 8 | 0 |
| 1980 | 9 | 0 |
| 1981 | 8 | 0 |
| 1982 | 10 | 0 |
| 1983 | 15 | 0 |
| 1984 | 16 | 0 |
| 1985 | 21 | 0 |
| 1986 | 14 | 0 |
| 1987 | 16 | 0 |
| 1988 | 25 | 0 |
| 1989 | 15 | 0 |
| 1990 | 30 | 0 |
| 1991 | 14 | 0 |
| 1992 | 35 | 0 |
| 1993 | 22 | 0 |
| 1994 | 15 | 0 |
| 1995 | 22 | 0 |
| 1996 | 36 | 0 |
| 1997 | 30 | 0 |
| 1998 | 38 | 0 |
| 1999 | 66 | 0 |
| 2000 | 44 | 0 |
| 2001 | 45 | 14 |
| 2002 | 71 | 46 |
| 2003 | 69 | 61 |
| 2004 | 35 | 43 |
| 2005 | 29 | 78 |
| 2006 | 38 | 67 |
| 2007 | 41 | 59 |
| 2008 | 45 | 62 |
| 2009 | 32 | 89 |
| 2010 | 62 | 89 |
| 2011 | 52 | 62 |
| 2012 | 53 | 92 |
| 2013 | 84 | 93 |
| 2014 | 90 | 96 |
| 2015 | 77 | 117 |
| 2016 | 86 | 137 |
| 2017 | 99 | 142 |
| 2018 | 122 | 168 |
| 2019 | 134 | 147 |
| 2020 | 132 | 180 |
| 2021 | 112 | 171 |
| 2022 | 128 | 178 |
| 2023 | 133 | 154 |
| 2024 | 120 | 178 |
| 2025 | 120 | 150 |
| 2026 | 68 | 125 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Complex oxides for reactive oxygen separation and related applications6 Oct 2026US 12,752,260 B2North Carolina State University
- Analysis device and analysis method for quality index of natural gas product and application6 Oct 2026US 12,754,171 B2PetroChina Company Limited
- Apparatus for producing hydrogen gas29 Sep 2026US 12,747,157 B2Hyundai Motor Company
- Analysis system and method for impurity components in perfluoropropane22 Sep 2026US 12,742,752 B2Lansis Instrument (Shanghai) Co., Ltd
- Dehydrogenation and pyrolysis product recovery with heat integration8 Sep 2026US 12,728,378 B2Uop LLC
- Gas turbine engine fuel system8 Oct 2026US 2026/0306970 A1General Electric Company
- Gas processing device and gas production method8 Oct 2026US 2026/0307003 A1Hirata Corporation
- Catalytic reactor and system for purification of carbon dioxide streams and methods of using the same8 Oct 2026US 2026/0307007 A1Oxy Low Carbon Ventures, LLC
- Co2 and h2o co-electrolyser system8 Oct 2026US 2026/0308775 A1Ecole Polytechnique Federale De Lausanne (Epfl)
- Purge device and production method for separation membrane1 Oct 2026US 2026/0295514 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Membrane based fuel deoxygenator394US 6,315,815 B1United Technologies Corporation · 2001
- Portable oxygen concentration system and method of using the same310US 6,651,658 B1SeQual Technologies, Inc. · 2003
- Steam reformer with internal hydrogen purification269US 5,997,594 ANorthwest Power Systems, LLC · 1999
- Portable oxygen concentration system and method of using the same223US 6,691,702 B2SeQual Technologies, Inc. · 2004
- High frequency pressure swing adsorption186US 6,176,897 B1Questor Industries Inc. · 2001