B01D 2257/702
Hydrocarbons
B01D2257/702 (Hydrocarbons) appears on 2,282 US grants and 2,801 published applications in this corpus.
Search patents in B01D- Granted patents
- 2,282
- Published applications
- 2,801
- Assignees
- 1,253
- Inventors
- 6,184
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 5 | 0 |
| 1979 | 6 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 10 | 0 |
| 1983 | 8 | 0 |
| 1984 | 6 | 0 |
| 1985 | 9 | 0 |
| 1986 | 4 | 0 |
| 1987 | 11 | 0 |
| 1988 | 11 | 0 |
| 1989 | 10 | 0 |
| 1990 | 10 | 0 |
| 1991 | 10 | 0 |
| 1992 | 23 | 0 |
| 1993 | 10 | 0 |
| 1994 | 9 | 0 |
| 1995 | 9 | 0 |
| 1996 | 21 | 0 |
| 1997 | 20 | 0 |
| 1998 | 23 | 0 |
| 1999 | 26 | 0 |
| 2000 | 23 | 0 |
| 2001 | 28 | 12 |
| 2002 | 35 | 24 |
| 2003 | 30 | 38 |
| 2004 | 23 | 45 |
| 2005 | 19 | 68 |
| 2006 | 37 | 50 |
| 2007 | 27 | 52 |
| 2008 | 35 | 42 |
| 2009 | 40 | 88 |
| 2010 | 47 | 99 |
| 2011 | 43 | 95 |
| 2012 | 72 | 95 |
| 2013 | 82 | 84 |
| 2014 | 71 | 79 |
| 2015 | 73 | 131 |
| 2016 | 93 | 155 |
| 2017 | 116 | 141 |
| 2018 | 120 | 193 |
| 2019 | 147 | 171 |
| 2020 | 146 | 168 |
| 2021 | 106 | 171 |
| 2022 | 140 | 180 |
| 2023 | 142 | 179 |
| 2024 | 127 | 168 |
| 2025 | 112 | 136 |
| 2026 | 85 | 137 |
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
- Exhaust gas purification catalyst6 Oct 2026US 12,752,237 B2Cataler Corporation
- Produced water degassing using ejector6 Oct 2026US 12,753,686 B1Saudi Arabian Oil Company
- 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
- Automotive air filters with hydrocarbon-absorbing media8 Oct 2026US 2026/0306983 A1
- Exhaust purification device8 Oct 2026US 2026/0307009 A1Mazda Motor Corporation
- System for treating an exhaust gas8 Oct 2026US 2026/0307052 A1Johnson Matthey Public Limited Company
- Systems and methods for using facilitated transport membranes to separate olefins and paraffins8 Oct 2026US 2026/0308087 A1
- Complete oxidation catalysts for dilute alkanes1 Oct 2026US 2026/0295521 A1Icarus Technology LLC
Most cited
By later US patents
- Device for removal of contaminants from fluid streams235US 5,750,026 ACorning Incorporated · 1998
- Remedial system: a pollution control device for utilizing and abating volatile organic compounds178US 8,776,734 B1Innovative Environmental Solutions, LLC · 2014
- 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