B01D 2257/7022
Aliphatic hydrocarbons
B01D2257/7022 (Aliphatic hydrocarbons) appears on 996 US grants and 1,214 published applications in this corpus.
Search patents in B01D- Granted patents
- 996
- Published applications
- 1,214
- Assignees
- 645
- Inventors
- 2,908
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 8 | 0 |
| 1988 | 10 | 0 |
| 1989 | 5 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 12 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 3 |
| 2002 | 13 | 10 |
| 2003 | 12 | 10 |
| 2004 | 5 | 12 |
| 2005 | 3 | 13 |
| 2006 | 7 | 9 |
| 2007 | 7 | 21 |
| 2008 | 7 | 9 |
| 2009 | 12 | 34 |
| 2010 | 16 | 38 |
| 2011 | 20 | 39 |
| 2012 | 19 | 53 |
| 2013 | 31 | 34 |
| 2014 | 40 | 34 |
| 2015 | 38 | 58 |
| 2016 | 42 | 72 |
| 2017 | 46 | 79 |
| 2018 | 58 | 75 |
| 2019 | 69 | 69 |
| 2020 | 60 | 78 |
| 2021 | 47 | 75 |
| 2022 | 59 | 97 |
| 2023 | 68 | 81 |
| 2024 | 72 | 76 |
| 2025 | 52 | 64 |
| 2026 | 47 | 71 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Adsorbent bed with increased hydrothermal stability6 Oct 2026US 12,752,233 B2BASF SE
- Analysis device and analysis method for quality index of natural gas product and application6 Oct 2026US 12,754,171 B2PetroChina Company Limited
- Air conditioning and filtration system29 Sep 2026US 12,746,502 B2Work Air Technologies Pty Ltd
- Porous scaffolds for electrochemically-controlled reversible capture and release of alkenes22 Sep 2026US 12,741,235 B2Trustees of Dartmouth College
- Photochemical method and device for volatile organic compound pollution control22 Sep 2026US 12,741,248 B2Ambient Carbon Methane Holding Aps
- Complete oxidation catalysts for dilute alkanes1 Oct 2026US 2026/0295521 A1Icarus Technology LLC
- Air contactor24 Sep 2026US 2026/0284592 A1
- Adsorbent Material, Adsorption System, and Adsorption Process For Hydrogen Recovery17 Sep 2026US 2026/0274664 A1Air Products and Chemicals, Inc.
- Gas separation system and enriched gas production method3 Sep 2026US 2026/0257167 A1Ube Corporation
- Pressure swing adsorption facility27 Aug 2026US 2026/0249231 A1Institute for Advanced Engineering
Most cited
By later US patents
- Process for purifying a gas by adsorption of the impurities on several active carbons147US 6,402,813 B2L 'Air Liquide-Societe 'Anonyme a 'Directoire et Conseil de Surveillance pour l 'Etude et L'Exploitation des Procedes Georges Claude · 2002
- Selective adsorption process139US 3,986,849 AUnion Carbide Corporation · 1976
- Process for separating components of a gas stream137US 4,701,187 AAir Products and Chemicals, Inc. · 1987
- Extraction and concentration of a gas component117US 5,082,473 A1992
- Hydrogen purification by selective adsorption111US 4,077,779 AAir Products and Chemicals, Inc. · 1978