B01D 2259/4009
Using hot gas
Official title: using hot gas
B01D2259/4009 (Using hot gas) appears on 693 US grants and 708 published applications in this corpus.
Search patents in B01D- Granted patents
- 693
- Published applications
- 708
- Assignees
- 419
- Inventors
- 1,811
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 11 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 11 | 0 |
| 1982 | 4 | 0 |
| 1983 | 9 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 8 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 9 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 13 | 0 |
| 1998 | 17 | 0 |
| 1999 | 21 | 0 |
| 2000 | 16 | 0 |
| 2001 | 9 | 3 |
| 2002 | 12 | 9 |
| 2003 | 19 | 12 |
| 2004 | 10 | 11 |
| 2005 | 5 | 13 |
| 2006 | 12 | 15 |
| 2007 | 10 | 12 |
| 2008 | 13 | 14 |
| 2009 | 3 | 17 |
| 2010 | 15 | 14 |
| 2011 | 7 | 17 |
| 2012 | 14 | 22 |
| 2013 | 19 | 17 |
| 2014 | 19 | 15 |
| 2015 | 14 | 33 |
| 2016 | 27 | 32 |
| 2017 | 18 | 41 |
| 2018 | 34 | 28 |
| 2019 | 30 | 25 |
| 2020 | 22 | 35 |
| 2021 | 19 | 29 |
| 2022 | 32 | 52 |
| 2023 | 33 | 62 |
| 2024 | 36 | 56 |
| 2025 | 36 | 68 |
| 2026 | 35 | 56 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High throughput moving panel direct air capture system6 Oct 2026US 12,752,238 B2Zero Carbon Systems, Inc.
- Device and method for passive collection of atmospheric carbon dioxide with a double-walled harvest chamber29 Sep 2026US 12,746,508 B2Arizona Board of Regents on behalf of Arizona State University
- Rotary bed dehumidification system and method with control of condensation in recirculating loop8 Sep 2026US 12,728,383 B2Munters Corporation
- Gas sorption system8 Sep 2026US 12,728,384 B2Munters Europe Aktiebolag
- Humidity control system for EFEM using desiccant1 Sep 2026US 12,722,116 B2YEST Co., Ltd.
- Processes for sorbent regeneration8 Oct 2026US 2026/0306995 A1Shell USA, Inc.
- Membrane-adsorption process for direct air capture8 Oct 2026US 2026/0307001 A1Ohio State Innovation Foundation
- Atmospheric steam desorption for direct air capture1 Oct 2026US 2026/0295505 A1Climeworks AG
- Method for removing hydrogen fluoride24 Sep 2026US 2026/0284570 A1Resonac Corporation
- Adsorption-membrane-distillation direct air capture systems and methods24 Sep 2026US 2026/0284587 A1Georgia Tech Research Corporation
Most cited
By later US patents
- Recovery of methane from land fill gas136US 4,770,676 AAir Products and Chemicals, Inc. · 1988
- Multistage system for separating gas by adsorption121US 6,514,318 B2QuestAir Technologies Inc. · 2003
- Fluid storage and dispensing system111US 6,089,027 AAdvanced Technology Materials, Inc. · 2000
- Air cleaning adsorption process105US 4,012,206 AGas Developments Corporation · 1977
- Adsorptive process for the removal of carbon dioxide from a gas91US 4,472,178 AAir Products and Chemicals, Inc. · 1984