B01D 53/229
Integrated processes
Official title: {Integrated processes (Diffusion and at least one other process, e.g. adsorption, absorption)}
B01D53/229 (Integrated processes) appears on 842 US grants and 990 published applications in this corpus.
Search patents in B01D- Granted patents
- 842
- Published applications
- 990
- Assignees
- 527
- Inventors
- 2,252
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 10 | 0 |
| 1994 | 6 | 0 |
| 1995 | 17 | 0 |
| 1996 | 9 | 0 |
| 1997 | 11 | 0 |
| 1998 | 19 | 0 |
| 1999 | 16 | 0 |
| 2000 | 19 | 0 |
| 2001 | 16 | 4 |
| 2002 | 9 | 6 |
| 2003 | 18 | 13 |
| 2004 | 4 | 12 |
| 2005 | 4 | 8 |
| 2006 | 8 | 12 |
| 2007 | 9 | 13 |
| 2008 | 11 | 18 |
| 2009 | 6 | 15 |
| 2010 | 13 | 18 |
| 2011 | 13 | 34 |
| 2012 | 17 | 29 |
| 2013 | 22 | 32 |
| 2014 | 27 | 31 |
| 2015 | 29 | 42 |
| 2016 | 34 | 56 |
| 2017 | 40 | 45 |
| 2018 | 37 | 46 |
| 2019 | 38 | 61 |
| 2020 | 39 | 54 |
| 2021 | 41 | 69 |
| 2022 | 58 | 84 |
| 2023 | 56 | 56 |
| 2024 | 45 | 67 |
| 2025 | 52 | 90 |
| 2026 | 39 | 75 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Autonomous modular flare gas conversion systems and methods6 Oct 2026US 12,753,138 B2M2X Energy Inc.
- Gas separation system and gas separation method15 Sep 2026US 12,734,476 B2NGK Insulators, Ltd.
- Membrane assembly for gas separation, method for producing the membrane assembly and method of separating gases15 Sep 2026US 12,734,487 B2Université De Fribourg
- Carbon dioxide separation, collection, and utilization system and carbon dioxide separation, collection, and utilization method15 Sep 2026US 12,735,370 B2Research Institute of Innovative Technology for the Earth
- Method of purifying helium from mixed gas28 Jul 2026US 12,691,408 B2Skyre, Inc.
- Membrane-adsorption process for direct air capture8 Oct 2026US 2026/0307001 A1Ohio State Innovation Foundation
- Direct air capture of carbon dioxide with nanofluidic flows8 Oct 2026US 2026/0307002 A1National Technology & Engineering Solutions of Sandia, LLC
- Hydrogen generation device8 Oct 2026US 2026/0307031 A1
- Hydrogen generation apparatus8 Oct 2026US 2026/0307037 A1
- Steam-Hydrocarbon Reforming with Reduced Carbon Dioxide Emissions8 Oct 2026US 2026/0307987 A1Air Products and Chemicals, Inc.
Most cited
By later US patents
- Steam reformer with internal hydrogen purification269US 5,997,594 ANorthwest Power Systems, LLC · 1999
- Remedial system: a pollution control device for utilizing and abating volatile organic compounds178US 8,776,734 B1Innovative Environmental Solutions, LLC · 2014
- Sequestration of carbon dioxide146US 7,132,090 B2General Motors Corporation · 2006
- Continuous carbon dioxide and water removal system138US 5,281,254 AUnited Technologies Corporation · 1994
- Process for separating components of a gas stream137US 4,701,187 AAir Products and Chemicals, Inc. · 1987